{"artifacts":{"doi:10.1007/s11664-015-4112-y/p5/tab-ii":{"artifact":"table","caption":"Mixing enthalpy of liquid calculated by CALPHAD at 1173 K compared with the values calculated by the Miedema method","label":"II","page":5},"doi:10.1007/s11664-015-4112-y/p5/text-10":{"artifact":"text_passage","label":"page 5, passage 10","page":5},"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3":{"artifact":"table","caption":"Comparison of the calculated first- and second-order invariant equilibria with experimental data and assessed values for the BeFe system.","label":"3","page":14},"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3":{"artifact":"table","caption":"(continued )","label":"3","page":15},"doi:10.1016/s0364-5916(02)00012-3/p3/text-06":{"artifact":"text_passage","label":"page 3, passage 6","page":3},"doi:10.1016/s0364-5916(02)00012-3/p4/text-06":{"artifact":"text_passage","label":"page 4, passage 6","page":4},"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i":{"artifact":"table","caption":"Calculated and experimental invariant equilibria in the Fe-B system.","label":"I","page":8},"doi:10.1016/s0925-8388(01)01777-7/p2/text-15":{"artifact":"text_passage","label":"page 2, passage 15","page":2},"doi:10.1016/s0925-8388(01)01777-7/p4/text-23":{"artifact":"text_passage","label":"page 4, passage 23","page":4},"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5":{"artifact":"table","caption":"Comparison of the calculated equilibria with experimental data and with assessed and calculated values for the B–Fe system","label":"5","page":6}},"cite_as":{"also_cite":["the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"bibtex":"@misc{orchid_literature_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735569},\n  url       = {https://doi.org/10.5281/zenodo.23735569},\n  note      = {Version 1, machine-extracted}\n}","dataset":"literature","doi":"10.5281/zenodo.23735569","license":"CC-BY-4.0","part_of":{"bibtex":"@misc{orchid_data_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23736065},\n  url       = {https://doi.org/10.5281/zenodo.23736065},\n  note      = {Version 1, machine-extracted}\n}","doi":"10.5281/zenodo.23736065","text":"R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065","title":"ORCHID data: umbrella record of the ORCHID datasets","url":"https://doi.org/10.5281/zenodo.23736065"},"release_tag":"v2026.10","status":"Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569","title":"ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature","url":"https://doi.org/10.5281/zenodo.23735569","version":"2026.10"},"contexts":{},"elements":["B","FE"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M186e68d7":{"catalog_entry":{"license":"CC BY 4.0","name":"FeB-01Pal.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Calphad, 25, 625-37(2001).","model_doi":"10.1016/s0364-5916(02)00012-3","reproduced_by_calculation":true,"tdb":"FeB-01Pal.tdb","tdb_path":"databases/sgte-binary/FeB-01Pal.tdb","tdb_sha256":"d868b8575842d60b902a516560a74f20e76d051efc995445aa9be40f1d01aabf"},"M1ffad395":{"catalog_entry":{"license":"CC BY 4.0","name":"FeB-19Wit.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_doi":"10.1016/j.jallcom.2019.05.341","reproduced_by_calculation":false,"tdb":"FeB-19Wit.tdb","tdb_path":"databases/sgte-binary/FeB-19Wit.tdb","tdb_sha256":"a20e39e4c8231b9ef69fed71aa7c23195d88d62d6db3aacc248fcd404445df70"},"M4d7cc93f":{"catalog_entry":{"license":"CC BY 4.0","name":"FeB-01Pal.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Calphad, 25, 625-37(2001).","model_doi":"10.1016/s0364-5916(02)00012-3","reproduced_by_calculation":false,"tdb":"FeB-01Pal.tdb","tdb_path":"databases/sgte-binary/FeB-01Pal.tdb","tdb_sha256":"d868b8575842d60b902a516560a74f20e76d051efc995445aa9be40f1d01aabf"},"M58e3342f":{"catalog_entry":{"license":"CC BY 4.0","name":"FeB-19Wit.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_doi":"10.1016/j.jallcom.2019.05.341","reproduced_by_calculation":true,"tdb":"FeB-19Wit.tdb","tdb_path":"databases/sgte-binary/FeB-19Wit.tdb","tdb_sha256":"a20e39e4c8231b9ef69fed71aa7c23195d88d62d6db3aacc248fcd404445df70"},"Mb19fdcda":{"catalog_entry":{"license":"CC BY 4.0","name":"FeB-94Hal-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"cited_model_is_corpus_tdb","model_doi":"10.1515/ijmr-1994-851002","reproduced_by_calculation":false,"tdb":"FeB-94Hal-LB.tdb","tdb_path":"databases/sgte-binary/FeB-94Hal-LB.tdb","tdb_sha256":"724a628400ef810cb479abfadf4cb9931f7b146840942f0561e61a99cf63763b"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1002/cphc.201001072":{"authors":["Steffi Rades","Andreas Kornowski","Horst Weller","Barbara Albert"],"citation":"Steffi Rades, Andreas Kornowski, Horst Weller, Barbara Albert, Wet‐Chemical Synthesis of Nanoscale Iron Boride, XAFS Analysis and Crystallisation to α‐FeB, ChemPhysChem 12, 1756-1760 (2011).","container":"ChemPhysChem","doi":"10.1002/cphc.201001072","doi_url":"https://doi.org/10.1002/cphc.201001072","id":"doi:10.1002/cphc.201001072","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Wet‐Chemical Synthesis of Nanoscale Iron Boride, XAFS Analysis and Crystallisation to α‐FeB","year":2011},"doi:10.1002/pssa.2211230217":{"authors":["V. A. Barinov","G. A. Dorofeev","L. V. Ovechkin","E. P. Elsukov","A. E. Ermakov"],"citation":"V. A. Barinov, G. A. Dorofeev, L. V. Ovechkin, E. P. Elsukov, A. E. Ermakov, Structure and magnetic properties of the α-FeB phase obtained by mechanical working, Phys. Stat. Sol. (a) 123, 527-534 (1991).","container":"Phys. Stat. Sol. (a)","doi":"10.1002/pssa.2211230217","doi_url":"https://doi.org/10.1002/pssa.2211230217","id":"doi:10.1002/pssa.2211230217","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Structure and magnetic properties of the α-FeB phase obtained by mechanical working","year":1991},"doi:10.1007/bf00652720":{"authors":["L. G. Voroshnin","L. S. Lyakhovich","G. G. Panich","G. F. Protasevich"],"citation":"L. G. Voroshnin, L. S. Lyakhovich, G. G. Panich, G. F. Protasevich, The structure of Fe?B alloys, Met Sci Heat Treat 12, 732-735 (1970).","container":"Met Sci Heat Treat","doi":"10.1007/bf00652720","doi_url":"https://doi.org/10.1007/bf00652720","id":"doi:10.1007/bf00652720","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The structure of Fe?B alloys","year":1970},"doi:10.1007/bf00775428":{"authors":["K. I. Portnoi","M. Kh. Levinskaya","V. M. Romashov"],"citation":"K. I. Portnoi, M. Kh. Levinskaya, V. M. Romashov, Constitution diagram of the system iron-boron, Powder Metall Met Ceram 8, 657-659 (1969).","container":"Powder Metall Met Ceram","doi":"10.1007/bf00775428","doi_url":"https://doi.org/10.1007/bf00775428","id":"doi:10.1007/bf00775428","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Constitution diagram of the system iron-boron","year":1969},"doi:10.1007/bf02650132":{"authors":["T. B. Cameron","J. E. Morral"],"citation":"T. B. Cameron, J. E. Morral, The solubility of boron in iron, Metall Trans A 17, 1481-1483 (1986).","container":"Metall Trans A","doi":"10.1007/bf02650132","doi_url":"https://doi.org/10.1007/bf02650132","id":"doi:10.1007/bf02650132","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The solubility of boron in iron","year":1986},"doi:10.1007/s11664-015-4112-y":{"authors":["G. J. Zhou","Y. Luo","Y. Zhou"],"citation":"G. J. Zhou, Y. Luo, Y. Zhou, Thermodynamic Reassessment of the Nd-Fe-B Ternary System, Journal of Elec Materi 45, 418-425 (2016).","container":"Journal of Elec Materi","doi":"10.1007/s11664-015-4112-y","doi_url":"https://doi.org/10.1007/s11664-015-4112-y","id":"doi:10.1007/s11664-015-4112-y","kind":"corpus_paper","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work","journal_article"],"title":"Thermodynamic Reassessment of the Nd-Fe-B Ternary System","year":2016},"doi:10.1016/0022-4596(84)90340-2":{"authors":["D. Fruchart","P. Chaudouet","R. Fruchart","A. Rouault","J.P. Senateur"],"citation":"D. Fruchart, P. Chaudouet, R. Fruchart, A. Rouault, J.P. Senateur, Etudes structurales de compose´s de type ce´mentite: Effet de l'hydroge`ne sur Fe3C suivi par diffraction neutronique. Spectrome´trie Mo¨ssbauer sur FeCo2B et Co3B dope´s au57Fe, Journal of Solid State Chemistry 51, 246-252 (1984).","container":"Journal of Solid State Chemistry","doi":"10.1016/0022-4596(84)90340-2","doi_url":"https://doi.org/10.1016/0022-4596(84)90340-2","id":"doi:10.1016/0022-4596(84)90340-2","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Etudes structurales de compose´s de type ce´mentite: Effet de l'hydroge`ne sur Fe3C suivi par diffraction neutronique. Spectrome´trie Mo¨ssbauer sur FeCo2B et Co3B dope´s au57Fe","year":1984},"doi:10.1016/0304-8853(89)90333-8":{"authors":["R. Coehoorn","D.B. de Mooij","C. de Waard"],"citation":"R. Coehoorn, D.B. de Mooij, C. de Waard, Meltspun permanent magnet materials containing Fe3B as the main phase, Journal of Magnetism and Magnetic Materials 80, 101-104 (1989).","container":"Journal of Magnetism and Magnetic Materials","doi":"10.1016/0304-8853(89)90333-8","doi_url":"https://doi.org/10.1016/0304-8853(89)90333-8","id":"doi:10.1016/0304-8853(89)90333-8","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Meltspun permanent magnet materials containing Fe3B as the main phase","year":1989},"doi:10.1016/0375-9601(69)90927-x":{"authors":["J.B. Jeffries","N. Hershkowitz"],"citation":"J.B. Jeffries, N. Hershkowitz, Temperature dependence of the hyperfine interactions of FeB, Physics Letters A 30, 187-188 (1969).","container":"Physics Letters A","doi":"10.1016/0375-9601(69)90927-x","doi_url":"https://doi.org/10.1016/0375-9601(69)90927-x","id":"doi:10.1016/0375-9601(69)90927-x","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Temperature dependence of the hyperfine interactions of FeB","year":1969},"doi:10.1016/j.calphad.2013.08.001":{"citation":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","doi":"10.1016/j.calphad.2013.08.001","doi_url":"https://doi.org/10.1016/j.calphad.2013.08.001","id":"doi:10.1016/j.calphad.2013.08.001","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"]},"doi:10.1016/j.jallcom.2012.08.127":{"citation":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","doi":"10.1016/j.jallcom.2012.08.127","doi_url":"https://doi.org/10.1016/j.jallcom.2012.08.127","id":"doi:10.1016/j.jallcom.2012.08.127","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"]},"doi:10.1016/j.jallcom.2019.05.341":{"authors":["V.T. Witusiewicz","A.A. Bondar","U. Hecht","A. Theofilatos","N.I. Tsyganenko","S.V. Utkin","I.B. Tikhonova"],"citation":"V.T. Witusiewicz, A.A. Bondar, U. Hecht, A. Theofilatos, N.I. Tsyganenko, S.V. Utkin et al., Experimental study and thermodynamic re-modelling of the constituent binaries and ternary B–Fe–Ti system, Journal of Alloys and Compounds 800, 419-449 (2019).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2019.05.341","doi_url":"https://doi.org/10.1016/j.jallcom.2019.05.341","id":"doi:10.1016/j.jallcom.2019.05.341","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"e893f6f3f5633bb2","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Experimental study and thermodynamic re-modelling of the constituent binaries and ternary B–Fe–Ti system","year":2019},"doi:10.1016/s0364-5916(02)00012-3":{"authors":["M. Palumbo","G. Cacciamani","E. Bosco","M. Baricco"],"citation":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Thermodynamic analysis of glass formation in Fe-B system, Calphad 25, 625-637 (2001).","container":"Calphad","doi":"10.1016/s0364-5916(02)00012-3","doi_url":"https://doi.org/10.1016/s0364-5916(02)00012-3","id":"doi:10.1016/s0364-5916(02)00012-3","kind":"corpus_paper","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work","journal_article"],"title":"Thermodynamic analysis of glass formation in Fe-B system","year":2001},"doi:10.1016/s0925-8388(01)01777-7":{"authors":["T Van Rompaey","K.C Hari Kumar","P Wollants"],"citation":"T Van Rompaey, K.C Hari Kumar, P Wollants, Thermodynamic optimization of the B–Fe system, Journal of Alloys and Compounds 334, 173-181 (2002).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(01)01777-7","doi_url":"https://doi.org/10.1016/s0925-8388(01)01777-7","id":"doi:10.1016/s0925-8388(01)01777-7","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"887ce445519afd66","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic optimization of the B–Fe system","year":2002},"doi:10.1016/s0925-8388(96)02570-4":{"authors":["Livio Battezzati","Carlo Antonione","Marcello Baricco"],"citation":"Livio Battezzati, Carlo Antonione, Marcello Baricco, Undercooling of Ni-B and Fe-B alloys and their metastable phase diagrams, Journal of Alloys and Compounds 247, 164-171 (1997).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(96)02570-4","doi_url":"https://doi.org/10.1016/s0925-8388(96)02570-4","id":"doi:10.1016/s0925-8388(96)02570-4","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Undercooling of Ni-B and Fe-B alloys and their metastable phase diagrams","year":1997},"doi:10.1039/b208548h":{"authors":["Alexander Zaitsev","Natal'ya Zaitseva","Alexander Kodentsov"],"citation":"Alexander Zaitsev, Natal'ya Zaitseva, Alexander Kodentsov, Thermodynamic properties and phase equilibria in the iron–boron system. Transition of the Fe–B melt into the amorphous stateElectronic supplementary information (ESI) available: Fig. S1–S4 and Tables S1 and S2. See http://www.rsc.org/suppdata/jm/b2/b208548h/, J. Mater. Chem. 13, 943-950 (2003).","container":"J. Mater. Chem.","doi":"10.1039/b208548h","doi_url":"https://doi.org/10.1039/b208548h","id":"doi:10.1039/b208548h","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Thermodynamic properties and phase equilibria in the iron–boron system. Transition of the Fe–B melt into the amorphous stateElectronic supplementary information (ESI) available: Fig. S1–S4 and Tables S1 and S2. See http://www.rsc.org/suppdata/jm/b2/b208548h/","year":2003},"doi:10.1063/1.1702873":{"authors":["Sigurds Arajs","R. V. Colvin"],"citation":"Sigurds Arajs, R. V. Colvin, Ferromagnetic-Paramagnetic Transition in Iron, Journal of Applied Physics 35, 2424-2426 (1964).","container":"Journal of Applied Physics","doi":"10.1063/1.1702873","doi_url":"https://doi.org/10.1063/1.1702873","id":"doi:10.1063/1.1702873","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Ferromagnetic-Paramagnetic Transition in Iron","year":1964},"doi:10.1063/1.430698":{"authors":["D. B. DeYoung","R. G. Barnes"],"citation":"D. B. DeYoung, R. G. Barnes, A Mössbauer effect study of 57Fe in transition metal monoborides, The Journal of Chemical Physics 62, 1726-1738 (1975).","container":"The Journal of Chemical Physics","doi":"10.1063/1.430698","doi_url":"https://doi.org/10.1063/1.430698","id":"doi:10.1063/1.430698","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"A Mössbauer effect study of 57Fe in transition metal monoborides","year":1975},"doi:10.1080/14786436208209119":{"authors":["N. Lundquist","H. P. Myers","R. Westin"],"citation":"N. Lundquist, H. P. Myers, R. Westin, The paramagnetic properties of the monoborides of V, Cr, Mn, Fe, Co and Ni, Philosophical Magazine 7, 1187-1195 (1962).","container":"Philosophical Magazine","doi":"10.1080/14786436208209119","doi_url":"https://doi.org/10.1080/14786436208209119","id":"doi:10.1080/14786436208209119","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The paramagnetic properties of the monoborides of V, Cr, Mn, Fe, Co and Ni","year":1962},"doi:10.1088/0305-4608/5/4/021":{"authors":["L Takacs","M C Cadeville","I Vincze"],"citation":"L Takacs, M C Cadeville, I Vincze, Mossbauer study of the intermetallic compounds (Fe\n                    <sub>1-x</sub>\n                    Co\n                    <sub>x</sub>\n                    )\n                    <sub>2</sub>\n                    B and (Fe\n                    <sub>1-x</sub>\n                    Co\n                    <sub>x</sub>\n                    )B, J. Phys. F: Met. Phys. 5, 800-811 (1975).","container":"J. Phys. F: Met. Phys.","doi":"10.1088/0305-4608/5/4/021","doi_url":"https://doi.org/10.1088/0305-4608/5/4/021","id":"doi:10.1088/0305-4608/5/4/021","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Mossbauer study of the intermetallic compounds (Fe\n                    <sub>1-x</sub>\n                    Co\n                    <sub>x</sub>\n                    )\n                    <sub>2</sub>\n                    B and (Fe\n                    <sub>1-x</sub>\n                    Co\n                    <sub>x</sub>\n                    )B","year":1975},"doi:10.1103/physrevb.20.283":{"authors":["C. L. Chien","D. Musser","E. M. Gyorgy","R. C. Sherwood","H. S. Chen","F. E. Luborsky","J. L. Walter"],"citation":"C. L. Chien, D. Musser, E. M. Gyorgy, R. C. Sherwood, H. S. Chen, F. E. Luborsky et al., Magnetic properties of amorphous<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">B</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mn>0</mml:mn><mml:mn>0</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mo>(</mml:mo><mml:mn>72</mml:mn><mml:mn/><mml:mo>&lt;~</mml:mo><mml:mi>x</mml:mi><mml:mo>&lt;~</mml:mo><mml:mn>8</mml:mn><mml:mn>6</mml:mn><mml:mo>)</mml:mo></mml:math>and crystalline<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B, Phys. Rev. B 20, 283-295 (1979).","container":"Phys. Rev. B","doi":"10.1103/physrevb.20.283","doi_url":"https://doi.org/10.1103/physrevb.20.283","id":"doi:10.1103/physrevb.20.283","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Magnetic properties of amorphous<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">B</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mn>0</mml:mn><mml:mn>0</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mo>(</mml:mo><mml:mn>72</mml:mn><mml:mn/><mml:mo>&lt;~</mml:mo><mml:mi>x</mml:mi><mml:mo>&lt;~</mml:mo><mml:mn>8</mml:mn><mml:mn>6</mml:mn><mml:mo>)</mml:mo></mml:math>and crystalline<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B","year":1979},"doi:10.1103/physrevb.56.3153":{"authors":["Yong Kong","Fashen Li"],"citation":"Yong Kong, Fashen Li, Cohesive energy, local magnetic properties, and Curie temperature of Fe<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B studied using the self-consistent LMTO method, Phys. Rev. B 56, 3153-3158 (1997).","container":"Phys. Rev. B","doi":"10.1103/physrevb.56.3153","doi_url":"https://doi.org/10.1103/physrevb.56.3153","id":"doi:10.1103/physrevb.56.3153","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Cohesive energy, local magnetic properties, and Curie temperature of Fe<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B studied using the self-consistent LMTO method","year":1997},"doi:10.1103/physrevb.7.23":{"authors":["Kenneth A. Murphy","N. Hershkowitz"],"citation":"Kenneth A. Murphy, N. Hershkowitz, Temperature-Dependent Hyperfine Interactions in<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B, Phys. Rev. B 7, 23-31 (1973).","container":"Phys. Rev. B","doi":"10.1103/physrevb.7.23","doi_url":"https://doi.org/10.1103/physrevb.7.23","id":"doi:10.1103/physrevb.7.23","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Temperature-Dependent Hyperfine Interactions in<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>B","year":1973},"doi:10.1515/ijmr-1994-851002":{"citation":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","doi":"10.1515/ijmr-1994-851002","doi_url":"https://doi.org/10.1515/ijmr-1994-851002","id":"doi:10.1515/ijmr-1994-851002","kind":"cited_work","metadata_source":"tdb_header","roles":["cited_source"],"source_kinds":["cited_work"],"year":1994},"ref:5eeecc03735f1a35":{"citation":"T.G. Chart, Comm. Comm. Eur., 7210-CA / 3 / 303 (1981).","id":"ref:5eeecc03735f1a35","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1981},"ref:781f95740b9ab157":{"citation":"F.A. Sidorenko, N.N. Serebrennikov, V.D. Budozhanov, Yu.V. Putintsev, S.N. Trushevskii, V.D. Korabanova, P.V. Gel’d, High Temp. 15 (1977) 36–39.","id":"ref:781f95740b9ab157","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1977},"ref:8217a8880a892e38":{"citation":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","id":"ref:8217a8880a892e38","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1982},"ref:9883e678081f98c3":{"citation":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","id":"ref:9883e678081f98c3","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1990},"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por":{"citation":"reference [69Por] of doi:10-1016-s0364-5916-02-00012-3 (no printed entry could be read)","id":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]},"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#70vor":{"citation":"reference [70Vor] of doi:10-1016-s0364-5916-02-00012-3 (no printed entry could be read)","id":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#70vor","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]},"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#77sid":{"citation":"reference [77Sid] of doi:10-1016-s0364-5916-02-00012-3 (no printed entry could be read)","id":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#77sid","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]},"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#86cam":{"citation":"reference [86Cam] of doi:10-1016-s0364-5916-02-00012-3 (no printed entry could be read)","id":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#86cam","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]},"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#97bat":{"citation":"reference [97Bat] of doi:10-1016-s0364-5916-02-00012-3 (no printed entry could be read)","id":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#97bat","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]}},"part":1,"parts":1,"records":[{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-J6UCO7V7ZX","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":1},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.999,"FE":0.001},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.2905},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-5.81,"value_printed":-5.81,"value_stored":-5810.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-C55TNYZLBA","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":2},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.999,"FE":0.001},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.30905},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-6.181,"value_printed":-6.181,"value_stored":-6181.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-TLMCCMNTRP","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":3},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.998,"FE":0.002},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.48891},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-9.7782,"value_printed":-9.7782,"value_stored":-9778.2},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-USUSBUDPBN","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":4},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.998,"FE":0.002},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.50625},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-10.125,"value_printed":-10.125,"value_stored":-10125.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-OQ3Y6ULLIM","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":5},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.997,"FE":0.003},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.5936},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-11.872,"value_printed":-11.872,"value_stored":-11872.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-HCUO3T2OQH","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":6},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.997,"FE":0.003},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.62895},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-12.579,"value_printed":-12.579,"value_stored":-12579.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-NV3QP4PDCE","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":7},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.996,"FE":0.004},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.6393},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-12.786,"value_printed":-12.786,"value_stored":-12786.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-LCTYUEZDQ7","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":8},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.996,"FE":0.004},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.67325},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-13.465,"value_printed":-13.465,"value_stored":-13465.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-UDSHZ42J6Q","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":9},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.995,"FE":0.005},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.6272},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-12.544,"value_printed":-12.544,"value_stored":-12544.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-G64BEXM7O5","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":10},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.995,"FE":0.005},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.6629},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-13.258,"value_printed":-13.258,"value_stored":-13258.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-36BIPHYART","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":11},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.994,"FE":0.006},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r11#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.56355},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-11.271,"value_printed":-11.271,"value_stored":-11271.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-OL2I62PKM2","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":12},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.994,"FE":0.006},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.5977},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-11.954,"value_printed":-11.954,"value_stored":-11954.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-HJMB7EVVIW","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":13},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.993,"FE":0.007},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r13#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.5021},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-10.042,"value_printed":-10.042,"value_stored":-10042.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-IIDR74DZNW","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":14},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.993,"FE":0.007},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r14#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.48765},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-9.753,"value_printed":-9.753,"value_stored":-9753.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-PWFT3S3XPH","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":15},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.992,"FE":0.008},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.36385},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-7.277,"value_printed":-7.277,"value_stored":-7277.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-2YGJJSPVKE","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":16},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.992,"FE":0.008},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r16#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.3328},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-6.656,"value_printed":-6.656,"value_stored":-6656.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-OX6DR57ES4","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":17},"method":"Miedema method","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.991,"FE":0.009},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r17#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.1466},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-2.932,"value_printed":-2.932,"value_stored":-2932.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":0,"fold_lso":1,"id":"ORC-WIJLCVKWK6","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/tab-ii","row":18},"method":"CALPHAD","method_basis":"printed in the table row/column","model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: None)","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"overall_composition":{"B":0.991,"FE":0.009},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","phases":[{"label":"liquid"}],"pid":"doi:10.1007/s11664-015-4112-y/p5/tab-ii/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_MIX","property_group":"mixing / partial","property_printed":"ΔmixH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"B":{"phase":"LIQUID"},"FE":{"phase":"LIQUID"}},"source_system":"B-FE","system":"B-FE","temperature_K":1173.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.18755},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":1.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/H_MIX_PARTIAL","floor":1.0,"floor_unit":"kJ/mol","n_pairs":133,"value":1.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"H_MIX_PARTIAL"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_printed":"kJ/mol atom","unit_stored":"J/mol-atom","value":-3.751,"value_printed":-3.751,"value_stored":-3751.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"54","reference":"T.G. Chart, Commission des Communaut\u0002 es Europ\u0002 eennes, CECA, 1981. Research Project No. 7210, CA/3/303.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-UP7CAF4X3T","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":1},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1930.0,"temperature_printed":"1930","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1930.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-KCK5GJFFAY","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":2},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1863.0,"temperature_printed":"1863","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1863.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-3TO7PAIVDH","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":3},"observation_type":"invariant_reaction","origin":{"basis":"cited_evaluation_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923.0,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-YNRND47CFW","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":4},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","measured_in":"doi:10.1007/bf00652720","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1813.0,"temperature_printed":"1813","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1813.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"unknown","label":"50","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.K. Levinskaya, V.M. Romashov, Constitution diagram of the system ironeboron, Sov. Powder Metall. Met. Ceram. 8 (1969) 657e659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RNLP6N4CQ4","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":5},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923.0,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Sidorenko","kind":"unknown","label":"51","reference":"F.A. Sidorenko, N.N. Serebrennikov, V.D. Budozhanov, Y.V. Putintsev, S.N. Trushevskii, V.D. Korabanova, P.V. Gel’d, Thermophysical properties of iron and cobalt monoborides, High Temp. 15 (1977) 36e39.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-N2D5M7XQXS","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":6},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1863.0,"temperature_printed":"1863","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1863.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1039/b208548h","first_author":"Zaitsev","kind":"unknown","label":"103","paper":"doi:10.1039/b208548h","reference":"A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov, Thermodynamic properties and 449 phase equilibria in the iron-boron system. Transition of Fe-B melt into the amorphous sate, J. Mater. Chem. 13 (2003) 943e950.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-P26QTCUAHM","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":7},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923.0,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Witusiewicz","kind":"unknown","label":"39","reference":"V.T. Witusiewicz, A.A. Scheretzkij, A.K. Biletskij, V.S. Shumikhin, Enthalpies of formation of melts of the FeeSieB system (in Russian), Rasplavy 4 (1989) 102e105.","status":"resolved","year":"1989"},{"first_author":"Witusiewicz","kind":"unknown","label":"40","reference":"V.T. Witusiewicz, A.A. Scheretzkij, V.S. Shumikhin, Enthalpies of formation of melts in system ironeboronecarbon (in Russian), Rasplavy 1 (1990) 82e85.","status":"resolved","year":"1990"},{"first_author":"Witusiewicz","kind":"unknown","label":"41","reference":"V.T. Witusiewicz, Thermodynamic of Formation of Binary and Ternary Liquid Alloys of 3d-Transition Metals with Metalloids (In Ukrainian), D. Sci. thesis, 1995, pp. 52e54. Kiev.","status":"resolved","year":"1995"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-IRZEC7E65P","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":8},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1900.0,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1900.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-2JB2NIQTZQ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":9},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1906.0,"temperature_printed":"1906","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1906.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-P3AKAYOV6N","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":10},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1924.0,"temperature_printed":"1924","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1924.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-QCGKSE4TLV","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":11},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1876.0,"temperature_printed":"1876","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1876.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-BOSVWJRLMG","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":12},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1880.0,"temperature_printed":"1880","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1880.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"54","reference":"T.G. Chart, Commission des Communaut\u0002 es Europ\u0002 eennes, CECA, 1981. Research Project No. 7210, CA/3/303.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-WBUUPLB7CI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":13},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1770.0,"temperature_printed":"1770","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1770.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-DSP32N4KR7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":14},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.64},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1770.0,"temperature_printed":"1770","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1770.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-TOBL2VD7RF","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":15},"observation_type":"invariant_reaction","origin":{"basis":"cited_evaluation_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.64},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773.0,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-TAXQX736DK","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":16},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","measured_in":"doi:10.1007/bf00652720","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1701.0,"temperature_printed":"1701","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1701.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"unknown","label":"50","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.K. Levinskaya, V.M. Romashov, Constitution diagram of the system ironeboron, Sov. Powder Metall. Met. Ceram. 8 (1969) 657e659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-BTFJ5N4D5W","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":17},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.64},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773.0,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1039/b208548h","first_author":"Zaitsev","kind":"unknown","label":"103","paper":"doi:10.1039/b208548h","reference":"A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov, Thermodynamic properties and 449 phase equilibria in the iron-boron system. Transition of Fe-B melt into the amorphous sate, J. Mater. Chem. 13 (2003) 943e950.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-BDLRQJZK2U","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":18},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.632},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1766.0,"temperature_printed":"1766","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1766.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-LKWWYOMJ6V","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":19},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.635},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1753.0,"temperature_printed":"1753","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1753.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-OLGJCWOJRW","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":20},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.633},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1782.0,"temperature_printed":"1782","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1782.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-W3PPZ4LOQA","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":21},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.632},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773.0,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-LD4BRSMPHI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":22},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.625},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r22#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1772.0,"temperature_printed":"1772","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1772.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RIZ23WW4XQ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":23},"model":"M58e3342f","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.64},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.506},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.985},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> B27+ βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773.0,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"54","reference":"T.G. Chart, Commission des Communaut\u0002 es Europ\u0002 eennes, CECA, 1981. Research Project No. 7210, CA/3/303.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-22MZITFK2O","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":24},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1680.0,"temperature_printed":"1680","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1680.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RVAH2YBZCL","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":25},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.325},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1680.0,"temperature_printed":"1680","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1680.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"},{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-CKMTPDMPTH","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":26},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.325},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r26#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662.0,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"unknown","label":"50","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.K. Levinskaya, V.M. Romashov, Constitution diagram of the system ironeboron, Sov. Powder Metall. Met. Ceram. 8 (1969) 657e659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-SBUL7CESA5","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":27},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r27#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1683.0,"temperature_printed":"1683","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1683.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-4GWKQU7ARF","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":28},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.337},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r28#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1658.0,"temperature_printed":"1658","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1658.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1039/b208548h","first_author":"Zaitsev","kind":"unknown","label":"103","paper":"doi:10.1039/b208548h","reference":"A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov, Thermodynamic properties and 449 phase equilibria in the iron-boron system. Transition of Fe-B melt into the amorphous sate, J. Mater. Chem. 13 (2003) 943e950.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-WGFRUYXQA3","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":29},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.321},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r29#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1663.0,"temperature_printed":"1663","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1663.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-KEMZO7QXFB","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":30},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.326},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r30#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1681.0,"temperature_printed":"1681","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1681.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-GM6LGKCUES","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":31},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.318},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r31#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1672.0,"temperature_printed":"1672","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1672.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5TP47ASF6Q","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":32},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.3333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r32#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1656.0,"temperature_printed":"1656","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1656.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-NHVFE7E3AQ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":33},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r33#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1653.0,"temperature_uncertainty":{"basis":"printed","value":4.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":4.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1653.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-WE6C5D72ZN","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":34},"model":"M58e3342f","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.323},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.488},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r34#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 <-> Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1657.0,"temperature_printed":"1657","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1657.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-YL5HWAILLW","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":35},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.000123},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.081},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.000106},"composition_source":"printed","phase":"A1"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r35#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 <-> L + A1","type":"metatectic/catatectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1667.0,"temperature_printed":"1667","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"metatectic/catatectic","transition_kind_printed":"Metatectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1667.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1039/b208548h","first_author":"Zaitsev","kind":"unknown","label":"103","paper":"doi:10.1039/b208548h","reference":"A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov, Thermodynamic properties and 449 phase equilibria in the iron-boron system. Transition of Fe-B melt into the amorphous sate, J. Mater. Chem. 13 (2003) 943e950.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-NT467756SZ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":36},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.068},"composition_source":"printed","phase":"L"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r36#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 <-> L + A1","type":"metatectic/catatectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1667.0,"temperature_printed":"1667","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"metatectic/catatectic","transition_kind_printed":"Metatectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1667.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-CUSCNC5GPS","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":37},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.000114},"composition_source":"printed","phase":"A2"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r37#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 <-> L + A1","type":"metatectic/catatectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1666.0,"temperature_printed":"1666","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"metatectic/catatectic","transition_kind_printed":"Metatectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1666.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-7JDAZVPA67","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":38},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.072},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A2","model_phase":"BCC_A2"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r38#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + A2 <-> A1","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1654.0,"temperature_printed":"1654","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1654.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5UM7FDXPZC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":39},"observation_type":"invariant_reaction","origin":{"basis":"cited_evaluation_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.072},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A2","model_phase":"BCC_A2"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r39#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + A2 <-> A1","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662.0,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-TB5XACMD2Q","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":40},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","measured_in":"doi:10.1007/bf00652720","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A2","model_phase":"BCC_A2"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r40#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + A2 <-> A1","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1654.0,"temperature_printed":"1654","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1654.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-HMF6BFZHXA","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":41},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.084},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":4.5e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.0001},"composition_source":"printed","phase":"A1"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A2","model_phase":"BCC_A2"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r41#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + A2 <-> A1","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1669.0,"temperature_printed":"1669","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1669.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-V7TZPIRDV7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":42},"model":"M58e3342f","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.073},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":4.5e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.0001},"composition_source":"printed","phase":"A1"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A2","model_phase":"BCC_A2"},{"label":"A1","model_phase":"FCC_A1"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r42#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + A2 <-> A1","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1669.0,"temperature_printed":"1669","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1669.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-JINAMUACBO","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":43},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r43#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> Fe2B","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1658.0,"temperature_printed":"1658","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1658.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Lyakishev","kind":"assessment","label":"48","reference":"N.P. Lyakishev (Ed.), Phase Diagrams of Binary Metallic Systems (in Russian). Moscow vol. 1, 1996, pp. 442e444.","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (B27, B33, Fe2B, βB): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"92e78df1b1e838feb492a50cad93f4a0c540c5b3536767ed2aaeeb2b4d4473bb","page":14,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 B–Fe: 'B27↔B33, Fe2B, βB' Type 'Double degenerated (polymorphic transformation of FeB)'; T(K) ~1408 [48], 1323–1773 [49], 1484±3 [PW](DSC), 1485 [PW](calc.).","verdict":"checked"}}],"id":"ORC-VCPKW42Y77","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":44},"observation_type":"invariant_reaction","origin":{"basis":"cited_evaluation_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r44#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B27 <-> B33, Fe2B, βB","type":"polymorphic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1408.0,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"polymorphic","transition_kind_printed":"Double degenerated (polymorphic transformation of FeB)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1408.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1002/cphc.201001072","first_author":"Rades","kind":"unknown","label":"49","paper":"doi:10.1002/cphc.201001072","reference":"S. Rades, A. Kornowski, H. Weller, B. Albert, Wet-chemical synthesis of nanoscale iron boride, XAFS analysis and crystallization to a-FeB, ChemPhysChem 12 (2011) 1756e1760.","status":"resolved","year":"2011"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (B27, B33, Fe2B, βB): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"92e78df1b1e838feb492a50cad93f4a0c540c5b3536767ed2aaeeb2b4d4473bb","page":14,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 B–Fe: 'B27↔B33, Fe2B, βB' Type 'Double degenerated (polymorphic transformation of FeB)'; T(K) ~1408 [48], 1323–1773 [49], 1484±3 [PW](DSC), 1485 [PW](calc.).","verdict":"checked"}}],"id":"ORC-S3S3RTEBOO","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":45},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r45#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B27 <-> B33, Fe2B, βB","type":"polymorphic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1323.0,"temperature_max_K":1773.0,"temperature_printed":"1323–1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"polymorphic","transition_kind_printed":"Double degenerated (polymorphic transformation of FeB)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1323.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (B27, B33, Fe2B, βB): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"92e78df1b1e838feb492a50cad93f4a0c540c5b3536767ed2aaeeb2b4d4473bb","page":14,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 B–Fe: 'B27↔B33, Fe2B, βB' Type 'Double degenerated (polymorphic transformation of FeB)'; T(K) ~1408 [48], 1323–1773 [49], 1484±3 [PW](DSC), 1485 [PW](calc.).","verdict":"checked"}}],"id":"ORC-KTUMAIEQWC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":46},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r46#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B27 <-> B33, Fe2B, βB","type":"polymorphic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1484.0,"temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19p","transition_kind":"polymorphic","transition_kind_printed":"Double degenerated (polymorphic transformation of FeB)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1484.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (B27, B33, Fe2B, βB): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"92e78df1b1e838feb492a50cad93f4a0c540c5b3536767ed2aaeeb2b4d4473bb","page":14,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 B–Fe: 'B27↔B33, Fe2B, βB' Type 'Double degenerated (polymorphic transformation of FeB)'; T(K) ~1408 [48], 1323–1773 [49], 1484±3 [PW](DSC), 1485 [PW](calc.).","verdict":"checked"}}],"id":"ORC-AOYVLJNSMM","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":47},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.503},"composition_source":"printed","phase":"B33"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.996},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r47#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B27 <-> B33, Fe2B, βB","type":"polymorphic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1485.0,"temperature_printed":"1485","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"polymorphic","transition_kind_printed":"Double degenerated (polymorphic transformation of FeB)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1485.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"54","reference":"T.G. Chart, Commission des Communaut\u0002 es Europ\u0002 eennes, CECA, 1981. Research Project No. 7210, CA/3/303.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-XM2VPOD47A","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":48},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r48#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1450.0,"temperature_printed":"1450","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1450.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-EGX6O6JOFI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":49},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.17},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r49#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1450.0,"temperature_printed":"1450","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1450.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"},{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-XIRBPOXK4Q","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":50},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.17},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r50#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1447.0,"temperature_printed":"1447","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1447.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"unknown","label":"50","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.K. Levinskaya, V.M. Romashov, Constitution diagram of the system ironeboron, Sov. Powder Metall. Met. Ceram. 8 (1969) 657e659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5JAKS5XEB3","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":51},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r51#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1473.0,"temperature_printed":"1473","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1473.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0925-8388(96)02570-4","first_author":"Battezzati","kind":"unknown","label":"31","paper":"doi:10.1016/s0925-8388(96)02570-4","reference":"L. Battezzati, C. Antonione, M. Baricco, Undercooling of NieB and FeeB alloys and their metastable phase diagrams, J. Alloys Compd. 247 (1997) 164e171.","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-WC22Q3ID2A","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":52},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_fulltext_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.17},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r52#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1437.0,"temperature_printed":"1437","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1437.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1039/b208548h","first_author":"Zaitsev","kind":"unknown","label":"103","paper":"doi:10.1039/b208548h","reference":"A.I. Zaitsev, N.E. Zaitseva, A. Kodentsov, Thermodynamic properties and 449 phase equilibria in the iron-boron system. Transition of Fe-B melt into the amorphous sate, J. Mater. Chem. 13 (2003) 943e950.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-6ARCML366W","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":53},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.155},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r53#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1448.0,"temperature_printed":"1448","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1448.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-3HZ62DZQAK","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":54},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r54#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1436.0,"temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1436.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RC4RFFA3ML","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":55},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.164},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.000187},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r55#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1446.0,"temperature_printed":"1446","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1446.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RPB7WUAJMB","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":56},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.164},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.00021},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r56#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1468.0,"temperature_printed":"1468","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1468.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-Q32HL2P6YV","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":57},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.165},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r57#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1445.0,"temperature_printed":"1445","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1445.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-7IW2C4YFFS","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":58},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.176},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r58#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1439.0,"temperature_printed":"1439","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1439.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-Y2HMVNFQIB","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":59},"model":"M58e3342f","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.17},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.00022},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r59#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L <-> A1+ Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1436.0,"temperature_printed":"1436","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1436.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-6WEVPA5Q6U","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":60},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r60#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1186.0,"temperature_printed":"1186","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1186.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"55","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, second ed., ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-W53HKRBUTI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":61},"observation_type":"invariant_reaction","origin":{"basis":"cited_evaluation_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r61#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184.0,"temperature_printed":"1184","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"unknown","label":"57","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Structure of alloys of the system Fe-B, Met. Sci. Heat Treat. 9 (1970) 732e735. \u0002t \u0002 \u0002tiques des phosphures de fer et de borures","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-XBOHQ3QTQB","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":62},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","measured_in":"doi:10.1007/bf00652720","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r62#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1188.0,"temperature_printed":"1188","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1188.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf02650132","first_author":"Cameron","kind":"unknown","label":"104","paper":"doi:10.1007/bf02650132","reference":"T.B. Cameron, J.E. Morral, The solubility of boron in iron, Metall. Trans. A 17A (1986) 1481e1483.","status":"resolved","year":"1986"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-JO24V3J6FN","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":63},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/bf02650132","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":6e-05},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":4.3e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r63#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1183.0,"temperature_printed":"1183","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1183.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-S3XWLOWXMK","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":64},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r64#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1182.0,"temperature_uncertainty":{"basis":"printed","value":6.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":6.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1182.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Hallemans","kind":"assessment","label":"56","reference":"B. Hallemans, P. Wollants, J.R. Roos, Thermodynamic reassessment and calculation of the FeeB phase diagram, Z. Metallkd. 85 (1994) 676e682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-PBU3PKRYZX","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":65},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":5.8e-05},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":4.5e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r65#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1185.0,"temperature_printed":"1185","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1185.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-G4PCCBR7CH","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":66},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":6e-05},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":4.3e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r66#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1185.0,"temperature_printed":"1185","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1185.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-PLS53HONWD","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":67},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":5.9e-05},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r67#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1185.0,"temperature_printed":"1185","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1185.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-4IHIFUSEUM","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":68},"model":"M58e3342f","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":7.6e-05},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":6e-06},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r68#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 <-> A2 + Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184.0,"temperature_printed":"1184","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1063/1.1702873","first_author":"Arajs","kind":"unknown","label":"105","paper":"doi:10.1063/1.1702873","reference":"S. Arajs, R.V. Colvin, Ferromagnetic-paramagnetic transition in iron, J. Appl. Phys. 35 (1964) 2424e2426.","status":"resolved","year":"1964"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-RTA53OP4QB","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":69},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r69#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 <-> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1044.0,"temperature_uncertainty":{"basis":"printed","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1044.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Velasco","kind":"unknown","label":"106","reference":"S. Velasco, F.L. Rom\u0002 an, Determining the Curie temperature of iron and nickel, Phys. Trach. 45 (2007) 387e389.","status":"resolved","year":"2007"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5S253LUBJA","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3","row":70},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p14/tab-3/r70#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 <-> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-6TDNGN5LSI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":1},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"44","reference":"O. Kubaschewski, Ironebinary Phase Diagrams, Springer Verlag, Berlin, 1982, pp. 15e17.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-OZEY2O637N","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":2},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1042.0,"temperature_printed":"1042","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1042.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-VJWAM5UNFC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043 ± 1","temperature_uncertainty":{"basis":"printed","value":1.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-UXXBF4D7JM","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":4},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1e-06},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.3333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, Fe2B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering of A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Cadeville","kind":"unknown","label":"58","reference":"M.-C. Cadeville, Proprie es magne \u0002rie de transition, PhD thesis, 1965. Strasbourg. des m\u0002 etaux de la premi\u0003 ere se","status":"resolved","year":"1965"},{"doi":"10.1088/0305-4608/5/4/021","first_author":"Takacs","kind":"unknown","label":"59","paper":"doi:10.1088/0305-4608/5/4/021","reference":"L. Takacs, M.C. Cadeville, I. Vincze, M € ossbauer study of the intermetallic compounds (Fe1-xCox) B and (Fe1-xCox)B, J. Phys. F Met. Phys. 5 (1975) 800e811.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-VCSU3KY3BC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":5},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1015.0,"temperature_printed":"1015±5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1103/physrevb.7.23","first_author":"Murphy","kind":"unknown","label":"107","paper":"doi:10.1103/physrevb.7.23","reference":"K.A. Murphy, N. Hershkowitz, Temperature-dependent hyperfine interactions in Fe2B, Phys. Rev. B 7 (1973) 23e31.","status":"resolved","year":"1973"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-SYAGMDX5BY","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":6},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1015.0,"temperature_printed":"1015 ± 1.5","temperature_uncertainty":{"basis":"printed","value":1.5},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.5},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1103/physrevb.20.283","first_author":"Chien","kind":"unknown","label":"83","paper":"doi:10.1103/physrevb.20.283","reference":"C.L. Chien, D. Musser, E.M. Gyorgy, R.C. Sherwood, H.S. Chen, Magnetic properties of amorphous FexB100-x (72\u0003x\u000386) crystalline Fe3B, Phys. Rev. B 20 (1979) 283e295.","status":"resolved","year":"1979"},{"doi":"10.1103/physrevb.7.23","first_author":"Murphy","kind":"unknown","label":"88","paper":"doi:10.1103/physrevb.7.23","reference":"K.A. Murphy, N. Hershkowitz, Temperature-dependent hyperfine interactions in Fe2B, Phys. Rev. B 7 (1973) 23e31.","status":"resolved","year":"1973"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-NTTNBO4ELJ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":7},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1015.0,"temperature_printed":"1015","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-KIGFY3BCTG","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":8},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1018.0,"temperature_printed":"1018","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1018.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-TAOA4WFMEA","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1015.0,"temperature_printed":"1015 ± 1","temperature_uncertainty":{"basis":"printed","value":1.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-WPVRPY23FI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":10},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1e-06},"composition_source":"printed","phase":"A2f"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.498},"composition_source":"printed","phase":"B33"}],"phases":[{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"Fe2B -> Fe2Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1015.0,"temperature_printed":"1015","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of Fe2B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1015.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.jallcom.2012.08.127","first_author":"Van","kind":"assessment","label":"24","paper":"doi:10.1016/j.jallcom.2012.08.127","reference":"M.-A. Van Ende, I.-H. Jung, Critical thermodynamic evaluation and optimization of the FeeB, FeeNd, BeNd and NdeFeeB systems, J. Alloys Compd. 548 (2013) 133e154.","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-QPNRZVQSH2","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":11},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Fe2B","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Fe2B","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1658.0,"temperature_printed":"1658","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1658.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/0375-9601(69)90927-x","first_author":"Jeffries","kind":"unknown","label":"108","paper":"doi:10.1016/0375-9601(69)90927-x","reference":"J.B. Jeffries, N. Hershkowitz, Temperature dependence of the hyperfine interactions in FeB, Phys. Lett. 30A (1969) 187e188.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-BBA326FXOG","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":12},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":597.5,"temperature_printed":"597.5 ± 0.1","temperature_uncertainty":{"basis":"printed","value":0.1},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":0.1},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":597.5},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Cadeville","kind":"unknown","label":"58","reference":"M.-C. Cadeville, Proprie es magne \u0002rie de transition, PhD thesis, 1965. Strasbourg. des m\u0002 etaux de la premi\u0003 ere se","status":"resolved","year":"1965"},{"doi":"10.1088/0305-4608/5/4/021","first_author":"Takacs","kind":"unknown","label":"59","paper":"doi:10.1088/0305-4608/5/4/021","reference":"L. Takacs, M.C. Cadeville, I. Vincze, M € ossbauer study of the intermetallic compounds (Fe1-xCox) B and (Fe1-xCox)B, J. Phys. F Met. Phys. 5 (1975) 800e811.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-MQAIMHHMH6","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":13},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":593.0,"temperature_printed":"593 ± 5","temperature_uncertainty":{"basis":"printed","value":5.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":593.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1080/14786436208209119","first_author":"Lundquist","kind":"unknown","label":"109","paper":"doi:10.1080/14786436208209119","reference":"N. Lundquist, H.P. Myers, R. Westin, The paramagnetic properties of the monoborides of V, Cr, Mn, Fe, Co and Ni, Phil. Mag. 79 (1962) 1187e1195.","status":"resolved","year":"1962"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-XKG357OBHU","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":14},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":594.0,"temperature_printed":"594","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":594.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1063/1.430698","first_author":"DeYoung","kind":"unknown","label":"110","paper":"doi:10.1063/1.430698","reference":"D.B. DeYoung, R.G. Barnes, A M € ossbauer effect study of 57Fe in transition metal monoborides, J. Chem. Phys. 62 (1975) 1726e1738.","status":"resolved","year":"1975"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-K7TZIYK244","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":15},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":590.0,"temperature_printed":"590","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":590.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1002/pssa.2211230217","first_author":"Barinov","kind":"unknown","label":"47","paper":"doi:10.1002/pssa.2211230217","reference":"V.A. Barinov, G.A. Dorofeev, L.V. Ovechkin, E.P. Elsukov, A.E. Ermakov, Structure and magnetic properties of the a-FeB phase obtained by mechanical working, Phys. Status Solidi A 123 (1991) 527e534.","status":"resolved","year":"1991"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-VQNDOIGPXE","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":16},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":580.0,"temperature_printed":"580","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":580.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Fries","kind":"unknown","label":"60","reference":"M. Fries, Phase Transitions of Borides and Phosphides for Use in Magnetic Energy Conversion, PhD Thesis, Technical University Darmstadt, 2017, pp. 37e41.","status":"resolved","year":"2017"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-3YCCU2S6CO","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":17},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":578.0,"temperature_printed":"578","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":578.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Fries","kind":"unknown","label":"60","reference":"M. Fries, Phase Transitions of Borides and Phosphides for Use in Magnetic Energy Conversion, PhD Thesis, Technical University Darmstadt, 2017, pp. 37e41.","status":"resolved","year":"2017"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-I4CSH2ZF6L","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":575.0,"temperature_max_K":578.0,"temperature_printed":"575–578","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":575.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"assessment","label":"12","reference":"T. van Rompaey, K.C. Hari Kumar, P. Wollants, Thermodynamic optimization of the BeFe system, J. Alloys Compd. 334 (2002) 173e181.","status":"resolved","year":"2002"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-NPKSV7BUZF","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":19},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":600.0,"temperature_printed":"600","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":600.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-HJ6QBSQG3O","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":20},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.333333,"FE":0.666667},"composition_source":"stoichiometric_model_phase","phase":"Fe2Bf"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":580.0,"temperature_printed":"580 ± 1","temperature_uncertainty":{"basis":"printed","value":1.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":580.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-DFI76ITXIZ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":21},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B33"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2Bf"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"},{"label":"Fe2Bf","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"},{"label":"βB","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"B33 -> B33f, Fe2Bf, βB","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":580.0,"temperature_printed":"580","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of B33)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":580.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0364-5916(02)00012-3","first_author":"Palumbo","kind":"assessment","label":"25","paper":"doi:10.1016/s0364-5916(02)00012-3","reference":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Thermodynamic analysis of glass formation in Fe-B system, Calphad 25 (2001) 625e637.","status":"resolved","year":"2001"},{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"},{"first_author":"Palumboa","kind":"unknown","label":"89","reference":"M. Palumboa, G. Cacciamani, E. Bosco, M. Baricco, Driving forces for crystal nucleation in FeeB liquid and amorphous alloys, Intermetallics 11 (2003) 1293e1299.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-CJNDIE3OGI","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":22},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r22#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> tp-Fe3B","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1426.0,"temperature_printed":"1426","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1426.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-FOHUJFM46L","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":23},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> tp-Fe3B","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1492.0,"temperature_printed":"1492","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1492.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0925-8388(96)02570-4","first_author":"Battezzati","kind":"unknown","label":"31","paper":"doi:10.1016/s0925-8388(96)02570-4","reference":"L. Battezzati, C. Antonione, M. Baricco, Undercooling of NieB and FeeB alloys and their metastable phase diagrams, J. Alloys Compd. 247 (1997) 164e171.","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5RXYVAVKY3","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":24},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_fulltext_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 -> tp-Fe3B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1433.0,"temperature_printed":"1433","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1433.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/s11664-015-4112-y","first_author":"Zhou","kind":"assessment","label":"111","paper":"doi:10.1007/s11664-015-4112-y","reference":"G.J. Zhou, Y. Luo, Y. Zhou, Thermodynamic reassessment of the NdeFeeB ternary system, J. Electron. Mater. 45 (2016) 418e425.","status":"resolved","year":"2016"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-BIXG4SGHD3","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":25},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.245},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"B27"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"B27","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L + B27 -> tp-Fe3B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1428.0,"temperature_printed":"1428","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1428.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0364-5916(02)00012-3","first_author":"Palumbo","kind":"assessment","label":"25","paper":"doi:10.1016/s0364-5916(02)00012-3","reference":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Thermodynamic analysis of glass formation in Fe-B system, Calphad 25 (2001) 625e637.","status":"resolved","year":"2001"},{"first_author":"Palumboa","kind":"unknown","label":"89","reference":"M. Palumboa, G. Cacciamani, E. Bosco, M. Baricco, Driving forces for crystal nucleation in FeeB liquid and amorphous alloys, Intermetallics 11 (2003) 1293e1299.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":null,"before":"M2B_C16","evidence":{"label":"Fe2B","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["label_conflicts_composition"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"label_conflicts_composition","detail":"Fe2B printed x(B)=0.5, formula 0.3333","effect":"not_espei_ready","gate":"A1"}],"id":"ORC-OY7VA452YC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":26},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.268},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase_rejected":{"model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r26#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> tp-Fe3B + Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1419.0,"temperature_printed":"1419","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1419.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":null,"before":"M2B_C16","evidence":{"label":"Fe2B","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["label_conflicts_composition"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"label_conflicts_composition","detail":"Fe2B printed x(B)=0.5, formula 0.3333","effect":"not_espei_ready","gate":"A1"}],"id":"ORC-7UF5JUZHY7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":27},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.5},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase_rejected":{"model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r27#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> tp-Fe3B + Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1420.0,"temperature_printed":"1420","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1420.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"M2B_C16","evidence":{"label":"Fe2B","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-XFIAFO4U22","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":28},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.267},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.48},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"},{"label":"Fe2B","model_phase_rejected":{"model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r28#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> tp-Fe3B + Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1493.0,"temperature_printed":"1493","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1493.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0925-8388(96)02570-4","first_author":"Battezzati","kind":"unknown","label":"31","paper":"doi:10.1016/s0925-8388(96)02570-4","reference":"L. Battezzati, C. Antonione, M. Baricco, Undercooling of NieB and FeeB alloys and their metastable phase diagrams, J. Alloys Compd. 247 (1997) 164e171.","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-B2GSAPKJL7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":29},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_fulltext_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.18},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r29#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1387.0,"temperature_printed":"1387","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1387.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/s0364-5916(02)00012-3","first_author":"Palumbo","kind":"assessment","label":"25","paper":"doi:10.1016/s0364-5916(02)00012-3","reference":"M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Thermodynamic analysis of glass formation in Fe-B system, Calphad 25 (2001) 625e637.","status":"resolved","year":"2001"},{"first_author":"Palumboa","kind":"unknown","label":"89","reference":"M. Palumboa, G. Cacciamani, E. Bosco, M. Baricco, Driving forces for crystal nucleation in FeeB liquid and amorphous alloys, Intermetallics 11 (2003) 1293e1299.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-VJ7FOEDBZN","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":30},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.186},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r30#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1386.0,"temperature_printed":"1386","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1386.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/j.calphad.2013.08.001","first_author":"Poletti","kind":"assessment","label":"26","paper":"doi:10.1016/j.calphad.2013.08.001","reference":"M.G. Poletti, L. Battezzati, Assessment of the ternary Fe-Si-B phase diagram, Calphad 43 (2013) 40e47. \u0002, M. Leonowicz, Thermodynamic assessment of","status":"resolved","year":"2013"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-LFUUO66IBE","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":31},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.188},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r31#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1393.0,"temperature_printed":"1393","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1393.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/s11664-015-4112-y","first_author":"Zhou","kind":"assessment","label":"111","paper":"doi:10.1007/s11664-015-4112-y","reference":"G.J. Zhou, Y. Luo, Y. Zhou, Thermodynamic reassessment of the NdeFeeB ternary system, J. Electron. Mater. 45 (2016) 418e425.","status":"resolved","year":"2016"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-3SP5H4T6EQ","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":32},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_modelling","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.179},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r32#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1388.0,"temperature_printed":"1388","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1388.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-TE72MUUG65","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":33},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r33#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1370.0,"temperature_printed":"≥1370","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1370.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-OUW6ZOKPNT","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":34},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.186},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.00024},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"A1","model_phase":"FCC_A1"},{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r34#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> A1 + tp-Fe3B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1386.0,"temperature_printed":"1386","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1386.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (tp-Fe3B, bct-Fe3B, A1, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-W4LO2TFCCT","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":35},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"tp-Fe3B"},{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"A1","model_phase":"FCC_A1"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r35#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"tp-Fe3B -> bct-Fe3B, A1, B33","type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1234.0,"temperature_printed":"1234 ± 2","temperature_uncertainty":{"basis":"printed","value":2.0},"tool_release":"v2.1.19p","transition_kind":"other","transition_kind_printed":"Degenerated","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1234.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (tp-Fe3B, bct-Fe3B, A1, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-T6MHEI3QM7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":36},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"tp-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"bct-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.00021},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.476},"composition_source":"printed","phase":"B33"}],"phases":[{"label":"tp-Fe3B","model_phase":"FE3B_HT","pearson_symbol":"tP32","prototype":"Ti3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"A1","model_phase":"FCC_A1"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r36#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"tp-Fe3B -> bct-Fe3B, A1, B33","type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1233.0,"temperature_printed":"1233","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"other","transition_kind_printed":"Degenerated","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1233.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-E454BHSS5T","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":37},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r37#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 -> A2 + bct-Fe3B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1192.0,"temperature_printed":"1192","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1192.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-W4LS44O5V7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":38},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.00016},"composition_source":"printed","phase":"A1"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":1.1e-05},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"bct-Fe3B"}],"phases":[{"label":"A1","model_phase":"FCC_A1"},{"label":"A2","model_phase":"BCC_A2"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r38#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A1 -> A2 + bct-Fe3B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1183.0,"temperature_printed":"1183","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1183.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-G2DCMH6K6C","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":39},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"congruent_same_composition","phase":"A2"},{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r39#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, bct-Fe3B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-PVREIQTZUL","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":40},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":2e-06},"composition_source":"printed","phase":"A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"bct-Fe3B"}],"phases":[{"label":"A2","model_phase":"BCC_A2"},{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r40#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"A2 -> A2f, bct-Fe3B","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1043.0,"temperature_printed":"1043","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Degenerated (magnetic ordering A2)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1043.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1103/physrevb.56.3153","first_author":"Kong","kind":"unknown","label":"85","paper":"doi:10.1103/physrevb.56.3153","reference":"Y. Kong, F. Li, Cohesive energy, local magnetic properties, and Curie temperature of Fe3B studied using the self-consistent LMTO method, Phys. Rev. B 56 (1997) 3153e3158.","status":"resolved","year":"1997"},{"doi":"10.1016/0022-4596(84)90340-2","first_author":"Fruchart","kind":"unknown","label":"91","paper":"doi:10.1016/0022-4596(84)90340-2","reference":"D. Fruchart, P. Chaudouet, R. Fruchart, A. Rouault, J.P. Senateur, Etudes structurales de compos\u0002 es de type c\u0002 ementite: effet de I’hydrog\u0002 ene sur Fe3C \u0002trie Mo €ssbauer sur FeCo2B et suivi par diffraction neutronique. Spectrome \u0002s au Fe, J. Solid State Chem. 54 (1984) 246e252. Co3B dope","status":"resolved","year":"1984"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-JTQEFMRURG","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":41},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r41#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":897.0,"temperature_printed":"897","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":897.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1103/physrevb.20.283","first_author":"Chien","kind":"unknown","label":"83","paper":"doi:10.1103/physrevb.20.283","reference":"C.L. Chien, D. Musser, E.M. Gyorgy, R.C. Sherwood, H.S. Chen, Magnetic properties of amorphous FexB100-x (72\u0003x\u000386) crystalline Fe3B, Phys. Rev. B 20 (1979) 283e295.","status":"resolved","year":"1979"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-56JEJKODO2","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":42},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r42#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":800.0,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":800.0},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1016/0304-8853(89)90333-8","first_author":"Coehoorn","kind":"unknown","label":"84","paper":"doi:10.1016/0304-8853(89)90333-8","reference":"R. Coehoorn, D.B. De Mooij, C. De Waard, Melt spun permanent magnet materials containing Fe3B as the main phase, J. Magn. Magn. Mater. 80 (1989) 101e104.","status":"resolved","year":"1989"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-EHAT2TVKRP","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":43},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r43#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":786.0,"temperature_uncertainty":{"basis":"printed","value":3.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":786.0},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Menushenkov","kind":"unknown","label":"90","reference":"V. Menushenkov, E. Savchenko, T. Sviridova, A. Savchenko, The effect of heat treatment on the crystal structure and magnetic properties of melt spun Fe3B-based alloys, in: Conference Proceedings of 21-st International Conference on Metallurgy and Materials METAL-2012, 2012. Brno, Czech Republic, EU.","status":"resolved","year":"2012"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-46FGB6DVFC","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":44},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r44#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":793.0,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":793.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/j.jallcom.2019.05.341"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-NRTADSURC7","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":45},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_this_work_experimental","class":"experimental","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25,"FE":0.75},"composition_source":"stoichiometric_model_phase","phase":"bct-Fe3B"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r45#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":789.0,"temperature_uncertainty":{"basis":"printed","value":1.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":1.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":789.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["binary_degenerate_reaction_as_printed"],"review_state":"extracted","row_state":"settled","state_fully_specified":false},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"binary_degenerate_reaction_as_printed","detail":"4 distinct phases in a binary invariant (bct-Fe3B, bct-Fe3Bf, A2f, B33): likely a higher-order system or several reactions in one row; the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"27f40cd06ca57f9e884ec564f01c091193cc976b5335360e1b4c514594215632","page":15,"pdf_sha256_prefix":"e893f6f3f5633bb2","seen":"Table 3 (cont.) Fe-B metastable: 'tp-Fe3B<->bct-Fe3B, A1, B33 Degenerated 1234±2 [PW](DSC), 1233 calc'; 'bct-Fe3B<->bct-Fe3B^f, A2^f, B33 Double degenerated (magnetic ordering of bct-Fe3B)' 897e, ~800g, 786±3g, 793g, 789±1, 789","verdict":"checked"}}],"id":"ORC-N5GFOWFPQH","locator":{"ref":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3","row":46},"model":"M1ffad395","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2019.05.341","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2019.05.341","paper_id":"doi:10.1016/j.jallcom.2019.05.341","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.25},"composition_source":"printed","phase":"bct-Fe3B"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.0},"composition_source":"printed","phase":"A2f"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"B":0.495},"composition_source":"printed","phase":"B33"}],"phases":[{"label":"bct-Fe3B","model_phase":"FE3B_D0E","pearson_symbol":"tI32","prototype":"Ni3P","structure_basis":"mapped_model_phase"},{"label":"bct-Fe3Bf"},{"label":"A2f","model_phase":"BCC_A2"},{"label":"B33","model_phase":"MB_B33","pearson_symbol":"oC8","prototype":"CrB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2019.05.341/p15/tab-3/r46#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"bct-Fe3B -> bct-Fe3Bf, A2f, B33","type":"magnetic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":789.0,"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"magnetic","transition_kind_printed":"Double degenerated (magnetic ordering of bct-Fe3B)","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":789.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"97Bat","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-IJ4I6XWCVT","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":31},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#97bat","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.25},"composition_source":"stoichiometry","phase":"Fe3B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe3B","mapping_confidence":"proposed","model_phase":"CEMENTITE_D011","pearson_symbol":"oP16","prototype":"Fe3C","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-03c55b44#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe3B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1387,"temperature_printed":"1387","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1387},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-17.008,"dx":{"Fe2B":-0.0003,"liquid":0.0024},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-JUBEJ656PR","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":21},"model":"M4d7cc93f","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.169},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.000157},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-0ea95d23#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1452,"temperature_printed":"1452","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1452},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"86Cam","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-4.248,"dx":{},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-5NODA6XLN6","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":28},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#86cam","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":5.9e-05},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":4.3e-05},"composition_source":"printed","phase":"α"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"α","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-138d3ab2#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γ -> α + Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1181,"temperature_printed":"1181","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1181},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"97Bat","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-32.008,"dx":{"liquid":0.0034},"model":"FeB-01Pal.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-AFFU4CPWFG","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":24},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#97bat","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.17},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-2a851e12#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1437,"temperature_printed":"1437","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1437},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-B7D6YUJTCL","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-B7D6YUJTCL on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-T5MMZQCA6C","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":29},"model":"M4d7cc93f","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.186},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.000219},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.25},"composition_source":"printed","phase":"Fe3B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe3B","mapping_confidence":"proposed","model_phase":"CEMENTITE_D011","pearson_symbol":"oP16","prototype":"Fe3C","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-2b8824ab#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe3B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1386,"temperature_printed":"1386","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1386},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"69Por","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.992,"dx":{"liquid":0.0074},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-IUPO6VNTSR","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.174},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-3195944a#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1473,"temperature_printed":"1473","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1473},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-1.008,"dx":{"Fe2B":-0.0003,"liquid":0.0014},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-WHEZBE2RGW","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":19},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.168},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.000207},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-3ec55292#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1468,"temperature_printed":"1468","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1468},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.248,"dx":{"Fe2B":-0.0003},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-P5KNF3HJ26","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":27},"merged_ids":["ORC-XYBH7A547N","ORC-YROCOPTP3K"],"merged_pids":["doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-5e517611#invariant","doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-7b56ca9f#invariant"],"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":5.91e-05},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":4.3e-05},"composition_source":"printed","phase":"α"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"α","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-4d6a442f#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γ -> α + Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1185,"temperature_printed":"1185","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1185},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":2.683,"dx":{"FeB":0.0,"L":-0.0007},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-IGW7LXFIQ4","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":3},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.629},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":1.0},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"β","mapping_confidence":"confirmed","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-5320107f#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> FeB + β","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1767.0,"temperature_printed":"1767","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1767.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-6KVT2GXBIX","evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":6.482,"dx":{"liquid":-0.0017},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-6KVT2GXBIX on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-WE7IIWTAQ3","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":16},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.000316},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction","composition":{"B":0.000109},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.095},"composition_source":"printed","phase":"liquid"}],"phases":[{"label":"δ","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-5b40404a#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δ -> γ + liquid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-6KVT2GXBIX","evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":6.482,"dx":{"liquid":-0.0027},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-6KVT2GXBIX on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-AARED4B2BG","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":17},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.000258},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction","composition":{"B":7.57e-05},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.094},"composition_source":"printed","phase":"liquid"}],"phases":[{"label":"δ","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-6765b84c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δ -> γ + liquid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-DTJXKNRXWR","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":6},"model":"M4d7cc93f","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-716106c9#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"liquid -> FeB"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1896,"temperature_printed":"1896","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1896},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"69Por","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":15.021,"dx":{"liquid":-0.0052},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-NYI3644X2A","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.33},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"stoichiometry","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-76adb32b#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid + FeB -> Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1683,"temperature_printed":"1683","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1683},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-18.008,"dx":{"Fe2B":-0.0003,"liquid":0.0044},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-24VXQG3HLN","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":20},"model":"M4d7cc93f","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.171},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.000198},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-8ec3bf36#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1451,"temperature_printed":"1451","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1451},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"69Por","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-1.518,"dx":{},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-XHFG3QIUG4","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phases":[{"label":"δ","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-9786d851#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δ -> γ + liquid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1654,"temperature_printed":"1654","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1654},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-JLISASABEC","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":7},"model":"M4d7cc93f","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-b5bf0e33#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"liquid -> FeB"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1882,"temperature_printed":"1882","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1882},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-IGW7LXFIQ4","evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":2.683,"dx":{"FeB":0.0,"L":0.0003},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-IGW7LXFIQ4 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-TWPRLNUABC","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":1},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.63},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":1.0},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"β","mapping_confidence":"confirmed","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-c441c22f#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> FeB + β","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1767.0,"temperature_printed":"1767","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1767.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":6.482,"dx":{"liquid":-0.0017},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-6KVT2GXBIX","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":15},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.000317},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction","composition":{"B":0.000111},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.095},"composition_source":"printed","phase":"liquid"}],"phases":[{"label":"δ","mapping_confidence":"proposed","model_phase":"BCC_A2"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-d552acde#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δ -> γ + liquid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-B7D6YUJTCL","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":30},"model":"M4d7cc93f","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.183},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.000184},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction","composition":{"B":0.25},"composition_source":"printed","phase":"Fe3B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe3B","mapping_confidence":"proposed","model_phase":"CEMENTITE_D011","pearson_symbol":"oP16","prototype":"Fe3C","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-db52562c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe3B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1386,"temperature_printed":"1386","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1386},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":1.021,"dx":{"Fe2B":-0.0003,"FeB":0.0,"liquid":0.0078},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-XN6Z4HXE4O","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":11},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.343},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-df610fc5#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid + FeB -> Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1669,"temperature_printed":"1669","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1669},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"70Vor","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":true,"espei_certified_basis":"pycalphad_invariant_agreement","espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-22.008,"dx":{"liquid":0.0034},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-3MDAOS7J4L","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":23},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#70vor","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.17},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"γ","mapping_confidence":"proposed","model_phase":"FCC_A1"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r-unplaced-ee03ebd2#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> γ + Fe2B","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1447,"temperature_printed":"1447","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1447},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-9.317,"dx":{"FeB":0.0,"L":-0.0027},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"disputed_in_review_queue","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-EDGHX76QGJ","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":2},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.627},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":1.0},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"β","mapping_confidence":"confirmed","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r02#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> FeB + β","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1755.0,"temperature_printed":"1755","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1755.0},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"69Por","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":8.683,"dx":{"L":0.0103},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"proposed","row_state":"disputed_in_review_queue","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-VC4BJQJO6U","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.64},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"stoichiometry","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":1.0},"composition_source":"stoichiometric_model_phase","phase":"β"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"β","mapping_confidence":"confirmed","model_phase":"BETA_RHOMBO_B"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r04#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid -> FeB + β","type":"eutectic","type_basis":"derived_from_printed_reaction"},"reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773.0,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-6VGASTGDVL","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":5},"model":"M4d7cc93f","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r05#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"liquid -> FeB"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1894,"temperature_printed":"1894","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1894},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"69Por","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-QRE4NFOB42","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":8},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#69por","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"congruent_same_composition","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"stoichiometry","phase":"FeB"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r06#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"liquid -> FeB"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"77Sid","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-JOUPCA46PV","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":9},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#77sid","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"congruent_same_composition","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"stoichiometry","phase":"FeB"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r07#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"liquid -> FeB"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1863,"temperature_printed":"1863","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1863},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.021,"dx":{"Fe2B":-0.0003,"FeB":0.0,"liquid":0.0018},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-FGL4XSU4FL.30e581","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":12},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.337},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r08#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid + FeB -> Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1671,"temperature_printed":"1671","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1671},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-FGL4XSU4FL.30e581","evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":3.021,"dx":{"Fe2B":-0.0003,"FeB":0.0,"liquid":0.0018},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-FGL4XSU4FL.30e581 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-FGL4XSU4FL.849bd2","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":10},"model":"M186e68d7","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.335},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":0.333},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r08#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid + FeB -> Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1671,"temperature_printed":"1671","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1671},{"chemical_system":"B-FE","cited_sources":[{"kind":"unknown","label":"70Vor","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-5.979,"dx":{"liquid":-0.0102},"model":"FeB-01Pal.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-UUPJKZUTUC","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#70vor","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phase_compositions":[{"basis":"mole_fraction","composition":{"B":0.325},"composition_source":"printed","phase":"liquid"},{"basis":"mole_fraction","composition":{"B":0.5},"composition_source":"stoichiometry","phase":"FeB"},{"basis":"mole_fraction","composition":{"B":0.3333333333},"composition_source":"stoichiometry","phase":"Fe2B"}],"phases":[{"label":"liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FeB","mapping_confidence":"confirmed","model_phase":"MB_B27","pearson_symbol":"oP8","prototype":"FeB","structure_basis":"mapped_model_phase"},{"label":"Fe2B","mapping_confidence":"confirmed","model_phase":"M2B_C16","pearson_symbol":"tI12","prototype":"Al2Cu","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p8/tab-i/r11#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"liquid + FeB -> Fe2B"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-11},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-P2GGQNJF6A","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":29},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.928},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-0919608d#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-G6IKM5W4GC","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":4},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-0df461e0#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1863,"temperature_printed":"1863","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1863},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-BLNGP4YY5L","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":22},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.675},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-1dcdb0af#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-3AA6277WXQ","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":36},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.83},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-245b02ac#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1447,"temperature_printed":"1447","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1447},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-6DDDCBQ6YB","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":5},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-2737403b#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-WXEC6VAV3H","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":38},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.831},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-295f39e3#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1447,"temperature_printed":"1447","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1447},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"4","reference":"T.G. Chart, Comm. Comm. Eur., 7210-CA / 3 / 303 (1981).","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-OU5CRKJI3K","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":3},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:5eeecc03735f1a35","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-310d0046#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1930,"temperature_printed":"1930","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1930},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"4","reference":"T.G. Chart, Comm. Comm. Eur., 7210-CA / 3 / 303 (1981).","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-5FMFNIHYRW","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":12},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:5eeecc03735f1a35","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-312d641e#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1770,"temperature_printed":"1770","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1770},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"4","reference":"T.G. Chart, Comm. Comm. Eur., 7210-CA / 3 / 303 (1981).","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-42IF5LJPWZ","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":20},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:5eeecc03735f1a35","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-384a0e51#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1680,"temperature_printed":"1680","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1680},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-5QIEE3B2FI","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":45},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-3ee9cac7#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1188,"temperature_printed":"1188","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1188},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"experimental","label":"20","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.Kh. Levinskaya, V.M. Romashov, Sov. Powder Metall. Met. Ceram. 8 (1969) 657–659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-LVFDRLOWFU","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":39},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-46950952#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1473,"temperature_printed":"1473","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1473},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-L63BGAUHQU","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":16},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-53c63de5#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1701,"temperature_printed":"1701","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1701},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Chart","kind":"unknown","label":"4","reference":"T.G. Chart, Comm. Comm. Eur., 7210-CA / 3 / 303 (1981).","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-T5OFLX4W2X","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":34},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:5eeecc03735f1a35","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-59439151#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1450,"temperature_printed":"1450","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1450},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-SQ5DPYF6T3","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":37},"model":"Mb19fdcda","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.836},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.999813},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-64734f4c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1446,"temperature_printed":"1446","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1446},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-CP655G4WHX","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":28},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.928},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-651fd0be#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1654,"temperature_printed":"1654","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1654},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-Y3UJ5TEHQQ","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":44},"model":"Mb19fdcda","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.9999422},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.9999548},"composition_source":"printed","phase":"αFe"}],"phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-6aa87675#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184.6,"temperature_printed":"1184.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-08},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.6},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"experimental","label":"20","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.Kh. Levinskaya, V.M. Romashov, Sov. Powder Metall. Met. Ceram. 8 (1969) 657–659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-QBZ32YIKND","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.36},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-76adfebc#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-SIYYT4FTTF","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":35},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.83},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-78d086f8#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1450,"temperature_printed":"1450","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1450},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-IZL64P27VG","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":21},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.675},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-94c7f599#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1680,"temperature_printed":"1680","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1680},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf02650132","first_author":"Cameron","kind":"unknown","label":"22","paper":"doi:10.1007/bf02650132","reference":"T.B. Cameron, J.E. Morral, Metall. Trans. A 17A (1986) 1481– 1483.","status":"resolved","year":"1986"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-BD5M25GEIP","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":46},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/bf02650132","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.99994},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.9999575},"composition_source":"printed","phase":"αFe"}],"phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-a4391391#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1183,"temperature_printed":"1183","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-08},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1183},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-34FOLM5SKY","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":14},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.36},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-c50a476b#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-BRJF5O7FZ3","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":31},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-d0629871#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1654,"temperature_printed":"1654","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1654},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-SW6QZLABI2","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":13},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.36},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-d4aab6b0#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1770,"temperature_printed":"1770","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1770},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-ZH533MAQJG","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":23},"model":"Mb19fdcda","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.674},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-d6dae7c7#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1681,"temperature_printed":"1681","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1681},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Massalski","kind":"assessment","label":"6","reference":"T.B. Massalski (Ed.), Binary Alloys Phase Diagrams, 2nd Edition, ASM International, Metals Park, OH, 1990.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-JZMR5Z4VXP","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":43},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:9883e678081f98c3","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-d9c15605#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184,"temperature_printed":"1184","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Sidorenko","kind":"experimental","label":"21","reference":"F.A. Sidorenko, N.N. Serebrennikov, V.D. Budozhanov, Yu.V. Putintsev, S.N. Trushevskii, V.D. Korabanova, P.V. Gel’d, High Temp. 15 (1977) 36–39.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-BDXWQ4MKAG","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":9},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:781f95740b9ab157","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-df4cad4e#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1863,"temperature_printed":"1863","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1863},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"experimental","label":"20","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.Kh. Levinskaya, V.M. Romashov, Sov. Powder Metall. Met. Ceram. 8 (1969) 657–659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-TCPQAOSYHK","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":8},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-e23c82f9#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1923,"temperature_printed":"1923","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1923},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-E2VFOFNBMA","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":24},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-e4100ff0#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1662,"temperature_printed":"1662","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1662},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-DIREZXX4KM","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":6},"model":"Mb19fdcda","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-e69c7c77#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1906,"temperature_printed":"1906","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1906},{"chemical_system":"B-FE","cited_sources":[{"first_author":"Kubaschewski","kind":"assessment","label":"5","reference":"O. Kubaschewski, Iron–Binary Phase Diagrams, Springer Verlag, Berlin, 1982.","status":"resolved","year":"1982"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-SGDKH5QBMW","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":42},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"ref:8217a8880a892e38","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-ece88d2c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1186,"temperature_printed":"1186","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1186},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-4BWZEO74X7","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":15},"model":"Mb19fdcda","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.367},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-ee446c31#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1782,"temperature_printed":"1782","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1782},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00775428","first_author":"Portnoi","kind":"experimental","label":"20","paper":"doi:10.1007/bf00775428","reference":"K.I. Portnoi, M.Kh. Levinskaya, V.M. Romashov, Sov. Powder Metall. Met. Ceram. 8 (1969) 657–659.","status":"resolved","year":"1969"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-TEUORGGV3R","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":25},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/bf00775428","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-f07dc395#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1683,"temperature_printed":"1683","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1683},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1515/ijmr-1994-851002","first_author":"Hallemans","kind":"assessment","label":"7","paper":"doi:10.1515/ijmr-1994-851002","reference":"B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd. 85 (1994) 676–682.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-F6L2VAZUYT","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":30},"model":"Mb19fdcda","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1515/ijmr-1994-851002","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.999877},"composition_source":"printed","phase":"δFe"},{"basis":"mole_fraction","composition":{"FE":0.919},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.999894},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-f22fce5c#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1666.9,"temperature_printed":"1666.9","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1666.9},{"chemical_system":"B-FE","cited_sources":[{"doi":"10.1007/bf00652720","first_author":"Voroshnin","kind":"assessment","label":"19","paper":"doi:10.1007/bf00652720","reference":"L.G. Voroshnin, L.S. Lyakhovich, G.G. Panich, G.F. Protasevish, Met. Sci. Heat Treat. 9 (1970) 732–735.","status":"resolved","year":"1970"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-H2GICNVVF2","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":7},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1007/bf00652720","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r-unplaced-f5b9e2f3#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1813,"temperature_printed":"1813","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1813},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-CXS3PISZ4I","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":1},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"}],"phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r01#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1876,"temperature_printed":"1876","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1876},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-A4WTS4LJ6C","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":2},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"}],"phases":[{"label":"L","mapping_confidence":"proposed","model_phase":"LIQUID"},{"label":"FeB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r02#transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","reaction":{"printed":"L⇄FeB","type":"congruent melting"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1866,"temperature_printed":"1866","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.05,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1866},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-YFGOSSBT3Q","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":10},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.368},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"FE":0.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r10#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1773,"temperature_printed":"1773","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1773},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-RF7G5LSPPM","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":11},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.374},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"FE":0.0},"composition_source":"printed","phase":"βB"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"βB"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r11#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄FeB+βB","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1772,"temperature_printed":"1772","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1772},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-IJ7I6EHFFX","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":18},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.682},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r18#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1672,"temperature_printed":"1672","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1672},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-ORZJD2GBAJ","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":19},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.684},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.5},"composition_source":"printed","phase":"FeB"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L"},{"label":"FeB"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r19#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+FeB⇄Fe2B","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1658,"temperature_printed":"1658","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1658},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-U5QOMYXLI2","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":26},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.9999555},"composition_source":"printed","phase":"δFe"},{"basis":"mole_fraction","composition":{"FE":0.9163},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.999899},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r26#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1669,"temperature_printed":"1669","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-08},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1669},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-KQBBYMXTSB","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":27},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.9999115},"composition_source":"printed","phase":"δFe"},{"basis":"mole_fraction","composition":{"FE":0.9133},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.999898},"composition_source":"printed","phase":"γFe"}],"phases":[{"label":"δFe"},{"label":"L"},{"label":"γFe"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r27#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"δFe+L⇄γFe","type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1667.9,"temperature_printed":"1667.9","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-08},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1667.9},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-NLBID6XCOK","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":32},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.836},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.99979},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r32#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1468,"temperature_printed":"1468","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-06},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1468},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-FMKFKA445M","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":33},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.833},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"FE":0.999809},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"L"},{"label":"γFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r33#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L⇄γFe+Fe2B","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1467,"temperature_printed":"1467","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1467},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-YFLTHIWO5Q.4b96d7","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":41},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.999941},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.999956},"composition_source":"printed","phase":"αFe"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r40#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184.6,"temperature_printed":"1184.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-07},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.6},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-YFLTHIWO5Q.4b96d7","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-YFLTHIWO5Q.4b96d7 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-YFLTHIWO5Q.ffba34","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5","row":40},"model_unlinked_reason":"reporting paper's own calculation, but no TDB linked to the table","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","phase_compositions":[{"basis":"mole_fraction","composition":{"FE":0.9999405},"composition_source":"printed","phase":"γFe"},{"basis":"mole_fraction","composition":{"FE":0.9999572},"composition_source":"printed","phase":"αFe"},{"basis":"mole_fraction","composition":{"FE":0.667},"composition_source":"printed","phase":"Fe2B"}],"phases":[{"label":"γFe"},{"label":"αFe"},{"label":"Fe2B"}],"pid":"doi:10.1016/s0925-8388(01)01777-7/p6/tab-5/r40#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"γFe⇄αFe+Fe2B","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"B-FE","system":"B-FE","temperature_K":1184.6,"temperature_printed":"1184.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-08},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.6},{"chemical_system":"B-FE","citations_printed":["12"],"conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-QNAPD4K4IT","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s11664-015-4112-y/p5/text-10"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s11664-015-4112-y","own_work_of_paper":true},"paper":"doi:10.1007/s11664-015-4112-y","paper_id":"doi:10.1007/s11664-015-4112-y","pid":"doi:10.1007/s11664-015-4112-y/p5/text-10/s04#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The metastable eutectic reaction of the liquid into fcc and Fe3B was calculated at 1388 K and 0.18 at.% B, which is in good agreement with experimental findings.12","quote_page":5,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1388.0,"temperature_printed":"1388 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1388.0},{"chemical_system":"B-FE","citations_printed":["97Bat"],"cited_sources":[{"kind":"unknown","label":"97Bat","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":3,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-KPU4IBTATI","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06"},"method":"calorimetric investigations","method_basis":"printed in the quoted sentence (fix-up 2026-10-22 gate)","observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"unresolved:source:doi:10-1016-s0364-5916-02-00012-3#97bat","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06/s05#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The enthalpy of formation of FejB has been estimated from the same experiments, where an eutectic temperature of 1387 K has been measured for metastable equilibrium between liquid and Fe3B + fee-Fe.","quote_page":3,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1387.0,"temperature_printed":"1387 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"thermal_analysis","entry":"value_types/T_INVARIANT/classes/thermal_analysis","floor":5.0,"floor_unit":"K","n_pairs":0,"prior_source":"orchid_assumed","value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1387.0},{"chemical_system":"B-FE","citations_printed":["83Hop"],"cited_sources":[{"kind":"unknown","label":"83Hop","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-I7Z5GGC47K","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06"},"method":"high speed calorimeter","method_basis":"printed in the quoted sentence (fix-up 2026-10-22 gate)","observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06/s08#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"It has been observed at about 820 K for a Fe&z0 amorphous alloy heated with an high speed calorimeter [83Hop].","quote_page":3,"reaction":{"type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":820.0,"temperature_printed":"about 820 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"other","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[2.096713,58.183787],"class":"thermal_analysis","entry":"value_types/T_TRANSITION/classes/thermal_analysis","floor":5.0,"floor_unit":"K","n_pairs":9,"prior_source":"orchid_assumed","value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":820.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-OAQIEKHA5Q","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06/s09#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"Because Tk corresponds to kinetic T, obtained at very low heating rate, a constant value of 800 K has been considered here for glass transition temperature.","quote_page":3,"reaction":{"type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":800.0,"temperature_printed":"800 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"other","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":800.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":2,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-FPIQARQ4W3","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p3/text-06/s22#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"Available data on melting temperature of FeB differ for more than 60 K [69Por, 77Sid] and the calculated value (1894 K) falls within uncertainty range.","quote_page":3,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1894.0,"temperature_printed":"1894 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1894.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":["Fe3B","liquid"],"before":[],"evidence":{"basis":"one_compound_congruent_melting","quote_page":4},"field":"phases","gate":"R3","rule":"state_phases_from_quote"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent","phases_recovered_from_quote"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"reaction_liquid_count_inconsistent","detail":"congruent transformation with 1 liquid phase(s)","effect":"not_espei_ready","gate":"G6"},{"code":"phases_recovered_from_quote","detail":"phases read from the quote (one_compound_congruent_melting); not mapped to model phases","effect":"not_espei_ready","gate":"R3"}],"id":"ORC-6A2LBEUB4K","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","phases":[{"label":"Fe3B","label_source":"quote"},{"label":"liquid","label_source":"quote"}],"pid":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06/s10#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"A congruent melting of metastable FesB has been calculated at 1424 K, very close to a eutectic reaction of liquid with 25.7% at B which transform into Fe3B and FeB.","quote_page":4,"reaction":{"type":"congruent transformation"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1424.0,"temperature_printed":"1424 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1424.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"proposed","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-N4OONO52CK","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06/s18#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"For Met1 assessment, the change in the slope of the curve for liquid phase at 800 K is associated to glass transition, whereas the step in the curve for solid mixture is due to the bee-fee allotropic transformation of iron.","quote_page":4,"reaction":{"type":"other"},"reader_agreement":"single_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"preliminary_flash","readers":["gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":800.0,"temperature_printed":"800 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"other","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":800.0},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-RPTYEFXOFP","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0364-5916(02)00012-3","own_work_of_paper":true},"paper":"doi:10.1016/s0364-5916(02)00012-3","paper_id":"doi:10.1016/s0364-5916(02)00012-3","pid":"doi:10.1016/s0364-5916(02)00012-3/p4/text-06/s24#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The specific heat of liquid Fes3Bir reaches a minimum around eutectic temperature (1468 K) and shows a slope change at 1811 K.","quote_page":4,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1468.0,"temperature_printed":"1468 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1468.0},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/s0925-8388(01)01777-7"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":2,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-GUI7PKRWWM.4ca671","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p2/text-15"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"experimental","measured_in":"doi:10.1016/s0925-8388(01)01777-7","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","pid":"doi:10.1016/s0925-8388(01)01777-7/p2/text-15/s05#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The invariant temperatures of these reactions are therefore very close to the transition temperature for dFeágFe (1667.5 K), and for gFeáaFe (1184.8 K), respectively.","quote_page":2,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1184.8,"temperature_printed":"1184.8 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.8},{"chemical_system":"B-FE","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/s0925-8388(01)01777-7"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":2,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-GUI7PKRWWM.f0f6bc","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p2/text-15"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"experimental","measured_in":"doi:10.1016/s0925-8388(01)01777-7","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","pid":"doi:10.1016/s0925-8388(01)01777-7/p2/text-15/s05#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The invariant temperatures of these reactions are therefore very close to the transition temperature for dFeágFe (1667.5 K), and for gFeáaFe (1184.8 K), respectively.","quote_page":2,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1667.5,"temperature_printed":"1667.5 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1667.5},{"chemical_system":"B-FE","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"proposed","second_reader":"done","value_in_quote":true},"fold_lpo":3,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-K2BN7OZSFT","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s0925-8388(01)01777-7/p4/text-23"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/s0925-8388(01)01777-7","own_work_of_paper":true},"paper":"doi:10.1016/s0925-8388(01)01777-7","paper_id":"doi:10.1016/s0925-8388(01)01777-7","pid":"doi:10.1016/s0925-8388(01)01777-7/p4/text-23/s02#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"Both the interstitial and the substitutional model reveal an eutectoid invariant equilibrium between a Fe, g Fe and Fe 2 B at 1184.6 K, consistent with a previous calculation [7] and with the most recent experimental","quote_page":4,"reaction":{"type":"eutectoid"},"reader_agreement":"single_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"preliminary_flash","readers":["gemini-3.8-flash"],"record_kind":"running_text","source_system":"B-FE","system":"B-FE","temperature_K":1184.6,"temperature_printed":"1184.6 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectoid","transition_kind_printed":"eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1184.6}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"B-FE"}