{"artifacts":{"doi:10.1007/bf02665782/p2/text-01":{"artifact":"text_passage","label":"page 2, passage 1","page":2},"doi:10.1007/bf02665782/p6/tab-3":{"artifact":"table","caption":"Comparison of the Calculated Equilibria of This Work, the Measured Equilibria of [66Due], and the Calculated","label":"3","page":6},"doi:10.1007/bf02665782/p8/tab-4":{"artifact":"table","caption":"Comparison of Measured [59Arg] and Calculated Enthalpies of Formation for Intermetallic Phases at 298 K","label":"4","page":8},"doi:10.1007/s11661-020-05963-2/p12/tab-v":{"artifact":"table","caption":"A Summary of Results from the First-Principles Calculations","label":"V","page":12},"doi:10.1007/s11661-020-05963-2/p14/tab-vii":{"artifact":"table","caption":"Invariant Reactions in the Ni-Nb System","label":"VII","page":14},"doi:10.1016/j.calphad.2004.09.004/p2/text-03":{"artifact":"text_passage","label":"page 2, passage 3","page":2},"doi:10.1016/j.calphad.2004.09.004/p5/tab-3":{"artifact":"table","caption":"Comparison of the calculated and experimental invariant points","label":"3","page":5},"doi:10.1016/j.calphad.2004.09.004/p5/tab-4":{"artifact":"table","caption":"Comparison of enthalpies of formation of the compounds calculated at 298 K from the description obtained in the present work with the available values in literature (between brackets experimental standard deviations)","label":"4","page":5},"doi:10.1016/j.calphad.2006.02.005/p7/tab-4":{"artifact":"table","caption":"Summary of the measured and calculated equilibria in the Nb–Ni system","label":"4","page":7},"doi:10.1016/j.calphad.2008.10.005/p10/tab-2":{"artifact":"table","caption":"Enthalpies of formation at 0 K of the end-members of the stable and metastable phases of the Fe–Nb–Ni system; our final choices of enthalpies at 0 K, A of our TDB, (magnetic effect excluded for the pure elements references) for all the CEF compounds; the A deduced from our AI results; the other possible A from the literature; the magnetic moments entered in our TDB; the magnetic moment obtained from our AI calculations; the ones proposed in the literature; our AI energies at 0 K including the magnetic effect of the pure elements references; the ones from the literature. The numbers (n) are for magnetism: (1) = FM (or NFM); (2) = NM; (3) = AFM; (4) = PM.","label":"2","page":10},"doi:10.1016/j.calphad.2023.102563/p33/tab-6":{"artifact":"table","caption":"∆H form values of δ-NbNi 3 and µ-Nb 7 Ni 6 from the present DFT-based calculations at both","label":"6","page":33},"doi:10.1016/j.calphad.2023.102563/p34/tab-7":{"artifact":"table","caption":"Calculated invariant reactions in the Nb-Ni system from the present CALPHAD","label":"7","page":34},"doi:10.1016/j.calphad.2023.102563/p35/tab-8":{"artifact":"table","caption":"Site fractions of Nb in µ-Nb 7 Ni 6 from the present CALPHAD modeling compared with","label":"8","page":35},"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6":{"artifact":"table","caption":"Comparison of the calculated energy of formation (in kJ/mol-atom) of Nb-Ni binary intermediate phases using CASTEP with literature data.","label":"6","page":4}},"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":["NB","NI"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M1282fa9a":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-04Jou.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.calphad.2004.09.004","reproduced_by_calculation":true,"tdb":"NbNi-04Jou.tdb","tdb_path":"databases/sgte-binary/NbNi-04Jou.tdb","tdb_sha256":"deeaff43899210093dbdb222585882d53cc8e4d5a9da9dcc6699bc629d5125c1"},"M36efe3aa":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-96Bol-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model (TDB header cites this paper)","model_citation":"A. Bolcavage, U.R. Kattner, J. Phase Equilib., 17, 92-100(1996).","model_doi":"10.1007/bf02665782","tdb":"NbNi-96Bol-LB.tdb","tdb_path":"databases/sgte-binary/NbNi-96Bol-LB.tdb","tdb_sha256":"e375de0639110fbd2b34fbf49c1fd2853bf5d14113358d7a03c7876bb4cb2add"},"M3a23b55d":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-06Che-orig.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.calphad.2006.02.005","reproduced_by_calculation":false,"tdb":"NbNi-06Che-orig.tdb","tdb_path":"databases/sgte-binary/NbNi-06Che-orig.tdb","tdb_sha256":"7543cfd042008b381893ed9e4d93145eb36a78c68e3c8d0db25ed4cfe8dd7e51"},"M65035837":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-06Che-orig.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.calphad.2006.02.005","reproduced_by_calculation":true,"tdb":"NbNi-06Che-orig.tdb","tdb_path":"databases/sgte-binary/NbNi-06Che-orig.tdb","tdb_sha256":"7543cfd042008b381893ed9e4d93145eb36a78c68e3c8d0db25ed4cfe8dd7e51"},"M6a0b8c3f":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-23Sun.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model (TDB header cites this paper)","model_citation":"Calphad, 82, 102563(2023).","model_doi":"10.1016/j.calphad.2023.102563","tdb":"NbNi-23Sun.tdb","tdb_path":"databases/sgte-binary/NbNi-23Sun.tdb","tdb_sha256":"7d38d05f4260a8f6197b686d45b1779939f2f9d10c5c35ac6de18f2a5740cd6e"},"M70bef716":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-04Jou.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.calphad.2004.09.004","reproduced_by_calculation":false,"tdb":"NbNi-04Jou.tdb","tdb_path":"databases/sgte-binary/NbNi-04Jou.tdb","tdb_sha256":"deeaff43899210093dbdb222585882d53cc8e4d5a9da9dcc6699bc629d5125c1"},"M75b71358":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-04Jou.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"cited_model_is_corpus_tdb","model_doi":"10.1016/j.calphad.2004.09.004","reproduced_by_calculation":false,"tdb":"NbNi-04Jou.tdb","tdb_path":"databases/sgte-binary/NbNi-04Jou.tdb","tdb_sha256":"deeaff43899210093dbdb222585882d53cc8e4d5a9da9dcc6699bc629d5125c1"},"M936960a4":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-96Bol-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"A. Bolcavage, U.R. Kattner, J. Phase Equilib., 17, 92-100(1996).","model_doi":"10.1007/bf02665782","reproduced_by_calculation":false,"tdb":"NbNi-96Bol-LB.tdb","tdb_path":"databases/sgte-binary/NbNi-96Bol-LB.tdb","tdb_sha256":"e375de0639110fbd2b34fbf49c1fd2853bf5d14113358d7a03c7876bb4cb2add"},"Md5cba710":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-23Sun.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Calphad, 82, 102563(2023).","model_doi":"10.1016/j.calphad.2023.102563","reproduced_by_calculation":true,"tdb":"NbNi-23Sun.tdb","tdb_path":"databases/sgte-binary/NbNi-23Sun.tdb","tdb_sha256":"7d38d05f4260a8f6197b686d45b1779939f2f9d10c5c35ac6de18f2a5740cd6e"},"Md5d4ee96":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-20Zho.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Metall. Mater. Trans. A, 51A, 5892-5911(2020).","model_doi":"10.1007/s11661-020-05963-2","reproduced_by_calculation":false,"tdb":"NbNi-20Zho.tdb","tdb_path":"databases/sgte-binary/NbNi-20Zho.tdb","tdb_sha256":"9d3a8db6e46d6d6b0973deb92845b13cce94527a04c890b3d81abaf74a4b2fda"},"Mdeabf602":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-04Jou.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model (TDB header cites this paper)","model_citation":"J.-M. Joubert, B. Sundman, N. Dupin, Calphad, 28, 299-306(2004).","model_doi":"10.1016/j.calphad.2004.09.004","tdb":"NbNi-04Jou.tdb","tdb_path":"databases/sgte-binary/NbNi-04Jou.tdb","tdb_sha256":"deeaff43899210093dbdb222585882d53cc8e4d5a9da9dcc6699bc629d5125c1"},"Me31805d5":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-96Bol-LB.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"A. Bolcavage, U.R. Kattner, J. Phase Equilib., 17, 92-100(1996).","model_doi":"10.1007/bf02665782","reproduced_by_calculation":true,"tdb":"NbNi-96Bol-LB.tdb","tdb_path":"databases/sgte-binary/NbNi-96Bol-LB.tdb","tdb_sha256":"e375de0639110fbd2b34fbf49c1fd2853bf5d14113358d7a03c7876bb4cb2add"},"Mfb4c23dc":{"catalog_entry":{"license":"CC BY 4.0","name":"NbNi-20Zho.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Metall. Mater. Trans. A, 51A, 5892-5911(2020).","model_doi":"10.1007/s11661-020-05963-2","reproduced_by_calculation":true,"tdb":"NbNi-20Zho.tdb","tdb_path":"databases/sgte-binary/NbNi-20Zho.tdb","tdb_sha256":"9d3a8db6e46d6d6b0973deb92845b13cce94527a04c890b3d81abaf74a4b2fda"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1007/bf02665782":{"authors":["A. Bolcavage","U. R. Kattner"],"citation":"A. Bolcavage, U. R. Kattner, A reassessment of the calculated Ni-Nb phase diagram, JPE 17, 92-100 (1996).","container":"JPE","doi":"10.1007/bf02665782","doi_url":"https://doi.org/10.1007/bf02665782","id":"doi:10.1007/bf02665782","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"6466926aef8f5145","roles":["cited_source","reporting_paper"],"source_kinds":["journal_article"],"title":"A reassessment of the calculated Ni-Nb phase diagram","year":1996},"doi:10.1007/s10853-005-4553-4":{"authors":["Hailin Chen","Yong Du","Honghui Xu","Yong Liu","J. C. Schuster"],"citation":"Hailin Chen, Yong Du, Honghui Xu, Yong Liu, J. C. Schuster, Experimental investigation of the Nb-Ni phase diagram, J Mater Sci 40, 6019-6022 (2005).","container":"J Mater Sci","doi":"10.1007/s10853-005-4553-4","doi_url":"https://doi.org/10.1007/s10853-005-4553-4","id":"doi:10.1007/s10853-005-4553-4","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Experimental investigation of the Nb-Ni phase diagram","year":2005},"doi:10.1007/s11661-020-05963-2":{"authors":["Chenyang Zhou","Cuiping Guo","Jingbo Li","Changrong Li","Zhenmin Du"],"citation":"Chenyang Zhou, Cuiping Guo, Jingbo Li, Changrong Li, Zhenmin Du, Key Experiments and Thermodynamic Description of the Co-Nb-Ni System, Metall Mater Trans A 51, 5892-5911 (2020).","container":"Metall Mater Trans A","doi":"10.1007/s11661-020-05963-2","doi_url":"https://doi.org/10.1007/s11661-020-05963-2","id":"doi:10.1007/s11661-020-05963-2","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"a58c4cb851471e14","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Key Experiments and Thermodynamic Description of the Co-Nb-Ni System","year":2020},"doi:10.1016/0022-5088(66)90083-x":{"authors":["I.J. Duerden","W. Hume-Rothery"],"citation":"I.J. Duerden, W. Hume-Rothery, The equilibrium diagram of the system niobium-nickel, Journal of the Less Common Metals 11, 381-387 (1966).","container":"Journal of the Less Common Metals","doi":"10.1016/0022-5088(66)90083-x","doi_url":"https://doi.org/10.1016/0022-5088(66)90083-x","id":"doi:10.1016/0022-5088(66)90083-x","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"The equilibrium diagram of the system niobium-nickel","year":1966},"doi:10.1016/0364-5916(91)90030-n":{"authors":["A.T. Dinsdale"],"citation":"A.T. Dinsdale, SGTE data for pure elements, Calphad 15, 317-425 (1991).","container":"Calphad","doi":"10.1016/0364-5916(91)90030-n","doi_url":"https://doi.org/10.1016/0364-5916(91)90030-n","id":"doi:10.1016/0364-5916(91)90030-n","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"SGTE data for pure elements","year":1991},"doi:10.1016/0921-4526(88)90002-6":{"authors":["A.K. Niessen","A.R. Miedema","F.R. de Boer","R. Boom"],"citation":"A.K. Niessen, A.R. Miedema, F.R. de Boer, R. Boom, Enthalpies of formation of liquid and solid binary alloys based on 3d metals, Physica B: Condensed Matter 152, 303-346 (1988).","container":"Physica B: Condensed Matter","doi":"10.1016/0921-4526(88)90002-6","doi_url":"https://doi.org/10.1016/0921-4526(88)90002-6","id":"doi:10.1016/0921-4526(88)90002-6","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Enthalpies of formation of liquid and solid binary alloys based on 3d metals","year":1988},"doi:10.1016/0925-8388(92)90217-w":{"authors":["Zeng Kejun","Zeng Xianzhang","Jin Zhanpeng"],"citation":"Zeng Kejun, Zeng Xianzhang, Jin Zhanpeng, A thermodynamic calculation of the Ni-Nb phase diagram, Journal of Alloys and Compounds 179, 177-185 (1992).","container":"Journal of Alloys and Compounds","doi":"10.1016/0925-8388(92)90217-w","doi_url":"https://doi.org/10.1016/0925-8388(92)90217-w","id":"doi:10.1016/0925-8388(92)90217-w","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"A thermodynamic calculation of the Ni-Nb phase diagram","year":1992},"doi:10.1016/j.calphad.2004.09.004":{"authors":["J.-M. Joubert","B. Sundman","N. Dupin"],"citation":"J.-M. Joubert, B. Sundman, N. Dupin, Assessment of the niobium–nickel system, Calphad 28, 299-306 (2004).","container":"Calphad","doi":"10.1016/j.calphad.2004.09.004","doi_url":"https://doi.org/10.1016/j.calphad.2004.09.004","id":"doi:10.1016/j.calphad.2004.09.004","kind":"cited_work","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work"],"title":"Assessment of the niobium–nickel system","year":2004},"doi:10.1016/j.calphad.2006.02.005":{"authors":["Hailin Chen","Yong Du"],"citation":"Hailin Chen, Yong Du, Refinement of the thermodynamic modeling of the Nb–Ni system, Calphad 30, 308-315 (2006).","container":"Calphad","doi":"10.1016/j.calphad.2006.02.005","doi_url":"https://doi.org/10.1016/j.calphad.2006.02.005","id":"doi:10.1016/j.calphad.2006.02.005","kind":"cited_work","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work"],"title":"Refinement of the thermodynamic modeling of the Nb–Ni system","year":2006},"doi:10.1016/j.calphad.2008.10.005":{"authors":["Muriel Mathon","Damien Connétable","Bo Sundman","Jacques Lacaze"],"citation":"Muriel Mathon, Damien Connétable, Bo Sundman, Jacques Lacaze, Calphad-type assessment of the Fe–Nb–Ni ternary system, Calphad 33, 136-161 (2009).","container":"Calphad","doi":"10.1016/j.calphad.2008.10.005","doi_url":"https://doi.org/10.1016/j.calphad.2008.10.005","id":"doi:10.1016/j.calphad.2008.10.005","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"8546f9af08ff8ad5","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Calphad-type assessment of the Fe–Nb–Ni ternary system","year":2009},"doi:10.1016/j.calphad.2023.102563":{"authors":["Hui Sun","Shun-Li Shang","Rushi Gong","Brandon J. Bocklund","Allison M. Beese","Zi-Kui Liu"],"citation":"Hui Sun, Shun-Li Shang, Rushi Gong, Brandon J. Bocklund, Allison M. Beese, Zi-Kui Liu, Thermodynamic modeling of the Nb-Ni system with uncertainty quantification using PyCalphad and ESPEI, Calphad 82, 102563 (2023).","container":"Calphad","doi":"10.1016/j.calphad.2023.102563","doi_url":"https://doi.org/10.1016/j.calphad.2023.102563","id":"doi:10.1016/j.calphad.2023.102563","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"f6d9a1050ba94e6b","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic modeling of the Nb-Ni system with uncertainty quantification using PyCalphad and ESPEI","year":2023},"doi:10.1016/j.jallcom.2014.08.200":{"authors":["K. Santhy","K.C. Hari Kumar"],"citation":"K. Santhy, K.C. Hari Kumar, Thermodynamic reassessment of Nb-Ni-Ti system with order–disorder model, Journal of Alloys and Compounds 619, 733-747 (2015).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2014.08.200","doi_url":"https://doi.org/10.1016/j.jallcom.2014.08.200","id":"doi:10.1016/j.jallcom.2014.08.200","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"ee2f0144eb04347f","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic reassessment of Nb-Ni-Ti system with order–disorder model","year":2015},"doi:10.1016/s0925-8388(00)01472-9":{"authors":["A. Watson","F.H. Hayes"],"citation":"A. Watson, F.H. Hayes, Some experiences modelling the sigma phase in the Ni–V system, Journal of Alloys and Compounds 320, 199-206 (2001).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(00)01472-9","doi_url":"https://doi.org/10.1016/s0925-8388(00)01472-9","id":"doi:10.1016/s0925-8388(00)01472-9","kind":"corpus_paper","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work","journal_article"],"title":"Some experiences modelling the sigma phase in the Ni–V system","year":2001},"doi:10.1103/physrevb.53.1129":{"authors":["P. Ravindran","G. Subramoniam","R. Asokamani"],"citation":"P. Ravindran, G. Subramoniam, R. Asokamani, Ground-state properties and relative stability between the<i>L</i><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>and<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"italic\">DO</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant=\"italic\">a</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>phases of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Ni</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>Al by Nb substitution, Phys. Rev. B 53, 1129-1137 (1996).","container":"Phys. Rev. B","doi":"10.1103/physrevb.53.1129","doi_url":"https://doi.org/10.1103/physrevb.53.1129","id":"doi:10.1103/physrevb.53.1129","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Ground-state properties and relative stability between the<i>L</i><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>and<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"italic\">DO</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant=\"italic\">a</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>phases of<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">Ni</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>Al by Nb substitution","year":1996},"doi:10.1179/030634571790439487":{"authors":["C. J. van der Wekken","R. Taggart","D. H. Polonis"],"citation":"C. J. van der Wekken, R. Taggart, D. H. Polonis, Short-Range Order and the Nucleation of Long-Range Order in Ni-Rich Nickel-Niobium Alloys, Metal Science Journal 5, 219-223 (1971).","container":"Metal Science Journal","doi":"10.1179/030634571790439487","doi_url":"https://doi.org/10.1179/030634571790439487","id":"doi:10.1179/030634571790439487","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Short-Range Order and the Nucleation of Long-Range Order in Ni-Rich Nickel-Niobium Alloys","year":1971},"ref:4945139172d4b31d":{"citation":"S.A. Pogodin, A.N. Selikmann, C. R. Dokl. Akad. Sci. URSS 31 (1941) 895–897.","id":"ref:4945139172d4b31d","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1941},"ref:d35842c459f1dc48":{"citation":"A.J. Ardell, Metallic Alloys: Experimental and Theoretical Perspectives, Kluwer Academic Publishers, Dordrecht, 1994, p. 93.","id":"ref:d35842c459f1dc48","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1994},"ref:d5d499d6dd1360b4":{"citation":"C.J. van der Wekken, R. Taggart, D.H. Polonis, Short-Range Order and the Nucleation of LongRange Order in Ni-Rich Nickel-Niobium Alloys, Met. Sci. J. 5 (1971) 219–223.","id":"ref:d5d499d6dd1360b4","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1971},"ref:db9238b061cef03a":{"citation":"C.J. van der Wekken, R. Taggart, D.H. Polonis, Met. Sci. J. 5 (1971) 219–223.","id":"ref:db9238b061cef03a","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1971},"ref:f06b417ce0545872":{"citation":"S.A. Pogodin, A.N. Selikmann, On the Phase Diagram of the System Nickel-Niobium, in: CR Acad. Sci. URSS, 1941: pp. 895–897.","id":"ref:f06b417ce0545872","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"],"year":1941}},"part":1,"parts":1,"records":[{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔfH"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-L6HBAFL7TT","locator":{"ref":"doi:10.1007/bf02665782/p8/tab-4","row":1},"model":"M36efe3aa","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phases":[{"label":"Ni3Nb"}],"pid":"doi:10.1007/bf02665782/p8/tab-4/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.69625},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"magnitude_heuristic","unit_printed":"J/mol","unit_stored":"J/mol-atom","value":-33.925,"value_printed":-33925,"value_stored":-33925.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"59Arg","reference":"B.B. Argent and B.J. Pearcy, The Physical Chemistry of Metallic Solutions and Intermetallic Compounds. Vol. 1, Symp. No. 9, National Physical Laboratory, HMSO, London, 31 (1959).","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔfH"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-H6CHGHX5XI","locator":{"ref":"doi:10.1007/bf02665782/p8/tab-4","row":2},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NB":0.25,"NI":0.75},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phases":[{"label":"Ni3Nb"}],"pid":"doi:10.1007/bf02665782/p8/tab-4/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.218},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.218},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"magnitude_heuristic","unit_printed":"J/mol","unit_stored":"J/mol-atom","value":-31.715,"value_printed":-31715,"value_stored":-31715.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔfH"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"basis_inferred_from_magnitude":true,"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-2CIIM2LOVO","locator":{"ref":"doi:10.1007/bf02665782/p8/tab-4","row":3},"model":"M36efe3aa","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"overall_composition":{"NB":0.5,"NI":0.5},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phases":[{"label":"μNi7Nb6","model_phase":"MU_D85"}],"pid":"doi:10.1007/bf02665782/p8/tab-4/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.0798},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"magnitude_heuristic","unit_printed":"J/mol","unit_stored":"J/mol-atom","value":-21.596,"value_printed":-21596,"value_stored":-21596.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"59Arg","reference":"B.B. Argent and B.J. Pearcy, The Physical Chemistry of Metallic Solutions and Intermetallic Compounds. Vol. 1, Symp. No. 9, National Physical Laboratory, HMSO, London, 31 (1959).","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔfH"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"basis_inferred_from_magnitude":true,"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-U452T4WI3O","locator":{"ref":"doi:10.1007/bf02665782/p8/tab-4","row":4},"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NB":0.5,"NI":0.5},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phases":[{"label":"μNi7Nb6","model_phase":"MU_D85"}],"pid":"doi:10.1007/bf02665782/p8/tab-4/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔfH","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.552},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.552},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"magnitude_heuristic","unit_printed":"J/mol","unit_stored":"J/mol-atom","value":-22.468,"value_printed":-22468,"value_stored":-22468.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.111111,"NI":0.888889},"phases":["Ni8Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-XD7WZF2NYH","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":8},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.111111,"NI":0.888889},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"Ni8Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.5765},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.3459,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.3459},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":11.53,"value_printed":11.53},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["Ni3Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-ZNQ5UXUN3L","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":9},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"Ni3Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.62},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.372,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.372},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":12.4,"value_printed":12.4},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["UNKNOWN"]},"field":"system","gate":"A1","rule":"system_of_the_state"},{"after":[{"label":"Ni3Nb","label_source":"printed_source_page","prototype":"Cu3Ti","structure_basis":"printed_source_page"}],"before":[{"label":"UNKNOWN"}],"evidence":{"batch":"table_context_batch_14","doi":"10.1007/s11661-020-05963-2","pdf_page":12,"pdf_sha256":"a58c4cb851471e149fe9dcce017feab48374554baac06d78ebf39f0e7e86bd3c","printed":"Ni3Nb block: line 1 'Ni3Nb | Al3Ti | Ni3Nb | 12.40 ...'; line 2 '(blank) | Cu3Ti | Ni3Nb | 12.39 | -6.9707 | -30.5037 | 0.00'","rationale":"Printed table context for this group supplies phase, prototype; shared fields only, row values, references, uncertainty, composition and conditions unchanged; no forward fill across groups and no inference from symmetry, composition or other papers.","report_id":"ORCHID-TC-20261027-v1","source_group_rows":[10],"table":"V","table_key":"t279"},"field":"phases","gate":"TC20261027","rule":"source_adjudicated_table_context","visual_check":{"checked":"2026-10-27; Claude rendered-page inspection, table-context batch 14","image_sha256":"f2d81f76f281fb014477235f8089a797afceda2ad9dc4f60b9c7ce8fa5157fb3","page":12,"pdf_sha256_prefix":"a58c4cb851471e14","seen":"second line of the Ni3Nb block (phase printed on the first line only, block ends before (Co,Ni)Nb); prototype Cu3Ti printed on this line itself","verdict":"confirmed"}},{"after":{"phase":"Ni3Nb","prototype":"Cu3Ti"},"before":null,"evidence":{"batch":"table_context_batch_14","doi":"10.1007/s11661-020-05963-2","pdf_page":12,"pdf_sha256":"a58c4cb851471e149fe9dcce017feab48374554baac06d78ebf39f0e7e86bd3c","printed":"Ni3Nb block: line 1 'Ni3Nb | Al3Ti | Ni3Nb | 12.40 ...'; line 2 '(blank) | Cu3Ti | Ni3Nb | 12.39 | -6.9707 | -30.5037 | 0.00'","rationale":"Printed table context for this group supplies phase, prototype; shared fields only, row values, references, uncertainty, composition and conditions unchanged; no forward fill across groups and no inference from symmetry, composition or other papers.","report_id":"ORCHID-TC-20261027-v1","source_group_rows":[10],"table":"V","table_key":"t279"},"field":"structure","gate":"TC20261027","rule":"source_adjudicated_table_context","visual_check":{"checked":"2026-10-27; Claude rendered-page inspection, table-context batch 14","image_sha256":"f2d81f76f281fb014477235f8089a797afceda2ad9dc4f60b9c7ce8fa5157fb3","page":12,"pdf_sha256_prefix":"a58c4cb851471e14","seen":"second line of the Ni3Nb block (phase printed on the first line only, block ends before (Co,Ni)Nb); prototype Cu3Ti printed on this line itself","verdict":"confirmed"}}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["table_context_correction_requires_downstream_revalidation"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-OUQ3UE6244","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":10},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"Ni3Nb","label_source":"printed_source_page","prototype":"Cu3Ti","structure_basis":"printed_source_page"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","structure":{"phase":"Ni3Nb","prototype":"Cu3Ti"},"system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.6195},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.3717,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.3717},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":12.39,"value_printed":12.39},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.307692,"NI":0.692308},"phases":["(Co,Ni)Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-7ONHFWL6ZB","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":15},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.307692,"NI":0.692308},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"(Co,Ni)Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r15#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.646},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.3876,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.3876},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":12.92,"value_printed":12.92},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.384615,"NI":0.615385},"phases":["(Co,Ni)Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-3EMJ6CDNOS","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":16},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.384615,"NI":0.615385},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"(Co,Ni)Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r16#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.68},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.408,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.408},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":13.6,"value_printed":13.6},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.461538,"NI":0.538462},"phases":["(Co,Ni)Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-24E4DH4W56","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":17},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.461538,"NI":0.538462},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"(Co,Ni)Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r17#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.6955},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.4173,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.4173},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":13.91,"value_printed":13.91},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":"NB-NI","before":"CO-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.538462,"NI":0.461538},"phases":["(Co,Ni)Nb"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-4WYXHUXBKE","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p12/tab-v","row":18},"method":"first-principles calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"overall_composition":{"NB":0.538462,"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phases":[{"label":"(Co,Ni)Nb"}],"pid":"doi:10.1007/s11661-020-05963-2/p12/tab-v/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"MOLAR_VOLUME","property_group":"crystal structure","property_printed":"V0","reader_agreement":"single_reader","reader_agreement_label":"unconfirmed (single reader)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","text_layer"],"record_kind":"general_table","source_system":"CO-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K (static calculation)","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.7255},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.4353,"sigma_method":{"basis":"prior","class":"dft","entry":"dft/priors/VOLUME","floor":0.03,"floor_unit":"relative (fraction of the value)","value":0.4353},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å3/atom","value_type":"VOLUME"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å3/atom","unit_basis":"column_header","unit_printed":"Å3/atom","value":14.51,"value_printed":14.51},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-XP5DVI4YZF","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":1},"model":"Mdeabf602","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","own_work_of_paper":true},"overall_composition":{"NB":0.11111,"NI":0.88889},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"NbNi8","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.7244},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":31.2,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":8,"value":31.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-14.488,"value_printed":-14488,"value_stored":-14488.0},{"chemical_system":"NB-NI","cited_sources":[{"kind":"unknown","label":"11","reference":"F.R. de Boer, R. Boom, W.C.M. Mattens, A.R. Miedema, A.K. Niessen, Cohesion in Metals, North-Holland, Amsterdam, 1988.","status":"resolved","year":"1988"},{"first_author":"Hari","kind":"unknown","label":"12","reference":"K.C. Hari Kumar, Delta: A Program for Enthalpy Estimation of Binary Alloys, 1993.","status":"resolved","year":"1993"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-C5JB7OIUD2","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":2},"method":"Miedema estimation","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","own_work_of_paper":false},"overall_composition":{"NB":0.11111,"NI":0.88889},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"NbNi8","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.7245},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":31.2,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":8,"value":31.2},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-14.49,"value_printed":-14490,"value_stored":-14490.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-JHUFEIXRVQ","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":3},"model":"Mdeabf602","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.53225},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":15.6,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"scaled_for_unstated_basis":4,"value":15.6},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-30.645,"value_printed":-30645,"value_stored":-30645.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"14","reference":"B.B. Argent, B.J. Pearcy, Proc. of the Physical Chemistry of Metallic Solutions and Intermetallic Compounds, National Physical Laboratory, HMSO, London, 1959, p. 31.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-7VHDIGEALK.c13b02","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":4},"merged_ids":["ORC-7VHDIGEALK.db1789"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NB":0.25,"NI":0.75},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.552},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.4,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","scaled_for_unstated_basis":4,"value":16.4},"sigma_printed":{"kind":"standard_deviation","taken_as":"1 sigma","value":2.552},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-31.714,"value_printed":-31714,"value_stored":-31714.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1103/physrevb.53.1129","first_author":"Ravindran","kind":"unknown","label":"13","paper":"doi:10.1103/physrevb.53.1129","reference":"P. Ravindran, G. Subramoniam, R. Asokamani, Phys. Rev. B 53 (3) (1996) 1129–1137.","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:computation_context"],"state_fully_specified":false},"fold_lpo":4,"fold_lso":3,"id":"ORC-PHZMG7MKWH","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":5},"method":"First principles","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"NB":0.25,"NI":0.75},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.67045},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":15.72,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"scaled_for_unstated_basis":4,"stratum":"literature/magnetic_3d","value":15.72},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-33.409,"value_printed":-33409,"value_stored":-33409.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-LN3GRFSO4P","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":6},"model":"Mdeabf602","observation_type":"equilibrium_property","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","own_work_of_paper":true},"overall_composition":{"NB":0.5,"NI":0.5},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"μ","model_phase":"MU_D85"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.03805},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-20.761,"value_printed":-20761,"value_stored":-20761.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"14","reference":"B.B. Argent, B.J. Pearcy, Proc. of the Physical Chemistry of Metallic Solutions and Intermetallic Compounds, National Physical Laboratory, HMSO, London, 1959, p. 31.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"ΔHf"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":3,"id":"ORC-ANQNYSIMPU.f40d80","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4","row":7},"merged_ids":["ORC-ANQNYSIMPU.f8f4c9"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NB":0.5,"NI":0.5},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"μ","model_phase":"MU_D85"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-4/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHf","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.218},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":{"kind":"standard_deviation","taken_as":"1 sigma","value":2.218},"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"column_header","unit_printed":"J mol−1","unit_stored":"J/mol (basis unstated)","value":-22.468,"value_printed":-22468,"value_stored":-22468.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.461538,"NI":0.538462},"phases":["D8_5"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-PNE2DCCEBG.18296f","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":3},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.461538,"NI":0.538462},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D8_5"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref FM, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":14.01205},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-280.241,"value_printed":-280241,"value_stored":-280241.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.461538,"NI":0.538462},"phases":["D8_5"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-PNE2DCCEBG.83938f","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":3},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.461538,"NI":0.538462},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D8_5"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref GHSER, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":14.7766},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-295.532,"value_printed":-295532,"value_stored":-295532.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.461538,"NI":0.538462},"phases":["D8_5"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"magnitude_suspect":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-PNE2DCCEBG.c1a28e","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":3},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.461538,"NI":0.538462},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D8_5"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"A (TDB)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":15.604875},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-312.0975,"value_printed":-312097.5,"value_stored":-312097.5},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"},{"doi":"10.1016/0925-8388(92)90217-w","first_author":"Kejun","kind":"unknown","label":"41","paper":"doi:10.1016/0925-8388(92)90217-w","reference":"Z. Kejun, Z. Xianzhang, J. Zhanpeng, J. Alloy Compd. 179 (1–2) (1992) 177–185.","status":"resolved","year":"1992"},{"doi":"10.1103/physrevb.53.1129","first_author":"Ravindran","kind":"unknown","label":"46","paper":"doi:10.1103/physrevb.53.1129","reference":"P. Ravindran, G. Subramoniam, R. Asokamani, Phys. Rev. B 53 (3) (1996) 1129–1137.","status":"resolved","year":"1996"},{"first_author":"Osipova","kind":"assessment","label":"25","reference":"L.V. Osipova, L.A Panteleimonov, Izv. Akad. Nauk. SSSR. Met. 3 (1982) 205–206.","status":"resolved","year":"1982"},{"first_author":"Fangt","kind":"unknown","label":"45","reference":"T. Fangt, S.J. Kennedy, L. Quan, T.J. Hicks, J. Phys. Condens. Matter. 4 (1992) 2405–2414.","status":"resolved","year":"1992"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-GJ7D7EX7R4.30d461","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":9},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref FM, FM and NM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":6.06305},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-121.261,"value_printed":-121261,"value_stored":-121261.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"},{"doi":"10.1016/0925-8388(92)90217-w","first_author":"Kejun","kind":"unknown","label":"41","paper":"doi:10.1016/0925-8388(92)90217-w","reference":"Z. Kejun, Z. Xianzhang, J. Zhanpeng, J. Alloy Compd. 179 (1–2) (1992) 177–185.","status":"resolved","year":"1992"},{"doi":"10.1103/physrevb.53.1129","first_author":"Ravindran","kind":"unknown","label":"46","paper":"doi:10.1103/physrevb.53.1129","reference":"P. Ravindran, G. Subramoniam, R. Asokamani, Phys. Rev. B 53 (3) (1996) 1129–1137.","status":"resolved","year":"1996"},{"first_author":"Osipova","kind":"assessment","label":"25","reference":"L.V. Osipova, L.A Panteleimonov, Izv. Akad. Nauk. SSSR. Met. 3 (1982) 205–206.","status":"resolved","year":"1982"},{"first_author":"Fangt","kind":"unknown","label":"45","reference":"T. Fangt, S.J. Kennedy, L. Quan, T.J. Hicks, J. Phys. Condens. Matter. 4 (1992) 2405–2414.","status":"resolved","year":"1992"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-GJ7D7EX7R4.c60d12","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":9},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref GHSER, FM and NM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":6.39155},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-127.831,"value_printed":-127831,"value_stored":-127831.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"},{"doi":"10.1016/0925-8388(92)90217-w","first_author":"Kejun","kind":"unknown","label":"41","paper":"doi:10.1016/0925-8388(92)90217-w","reference":"Z. Kejun, Z. Xianzhang, J. Zhanpeng, J. Alloy Compd. 179 (1–2) (1992) 177–185.","status":"resolved","year":"1992"},{"doi":"10.1103/physrevb.53.1129","first_author":"Ravindran","kind":"unknown","label":"46","paper":"doi:10.1103/physrevb.53.1129","reference":"P. Ravindran, G. Subramoniam, R. Asokamani, Phys. Rev. B 53 (3) (1996) 1129–1137.","status":"resolved","year":"1996"},{"first_author":"Osipova","kind":"assessment","label":"25","reference":"L.V. Osipova, L.A Panteleimonov, Izv. Akad. Nauk. SSSR. Met. 3 (1982) 205–206.","status":"resolved","year":"1982"},{"first_author":"Fangt","kind":"unknown","label":"45","reference":"T. Fangt, S.J. Kennedy, L. Quan, T.J. Hicks, J. Phys. Condens. Matter. 4 (1992) 2405–2414.","status":"resolved","year":"1992"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-GJ7D7EX7R4.ebfb18","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":9},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"A (TDB)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":7.06012},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-141.2024,"value_printed":-141202.4,"value_stored":-141202.4},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-AG5VOVX6O7.48a279","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":12},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref FM, FM and NM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.39055},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":7.811,"value_printed":7811,"value_stored":7811.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-AG5VOVX6O7.99b732","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":12},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"A (TDB)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":9.060115},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":5e-05},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":181.2023,"value_printed":181202.3,"value_stored":181202.3},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/bf02665782","first_author":"Bolcavage","kind":"assessment","label":"17","paper":"doi:10.1007/bf02665782","reference":"A. Bolcavage, U.R. Kattner, J. Phase Equilibria 17 (1996) 92–100.","status":"resolved","year":"1996"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_a"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-AG5VOVX6O7.9e3b9a","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":12},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_a"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r12#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref GHSER, FM and NM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.28135},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":5.627,"value_printed":5627,"value_stored":5627.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"},{"kind":"assessment","label":"100","reference":"J.H Xu, T. Oguchi, A.J. Freeman, Phys. Rev. B 35 (13) (1987) 6940–6943.","status":"resolved","year":"1987"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-SY7Q6SEEPP.0e1748","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":18},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref FM, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":2.7863},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-55.726,"value_printed":-55726,"value_stored":-55726.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"},{"kind":"assessment","label":"100","reference":"J.H Xu, T. Oguchi, A.J. Freeman, Phys. Rev. B 35 (13) (1987) 6940–6943.","status":"resolved","year":"1987"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-SY7Q6SEEPP.926343","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":18},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref GHSER, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":3.11395},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-62.279,"value_printed":-62279,"value_stored":-62279.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"},{"kind":"assessment","label":"100","reference":"J.H Xu, T. Oguchi, A.J. Freeman, Phys. Rev. B 35 (13) (1987) 6940–6943.","status":"resolved","year":"1987"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.25,"NI":0.75},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-SY7Q6SEEPP.a8df24","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":18},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.25,"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r18#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"A (TDB)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":3.1},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":-62.0,"value_printed":-62000,"value_stored":-62000.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-MGBULPOR2J.0f2aef","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":21},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r21#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"A (TDB)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":5.1},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":102.0,"value_printed":102000,"value_stored":102000.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-MGBULPOR2J.a025c3","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":21},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r21#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref FM, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.40125},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":8.025,"value_printed":8025,"value_stored":8025.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/s0925-8388(00)01472-9","first_author":"Watson","kind":"assessment","label":"50","paper":"doi:10.1016/s0925-8388(00)01472-9","reference":"A. Watson, F.H. Hayes, J. Alloys Compd. 320 (2001) 199–206.","status":"resolved","year":"2001"}],"conditions":{"kind":"own_work_origin_unspecified"},"corrections":[{"after":"NB-NI","before":"FE-NB-NI","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"NB":0.75,"NI":0.25},"phases":["D0_22"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"awaiting_reader","system_is_state_subsystem":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-MGBULPOR2J.a2cbec","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2","row":21},"observation_type":"equilibrium_property","origin":{"basis":"this_work_kind_unstated_modelling_paper","class":"unspecified","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"overall_composition":{"NB":0.75,"NI":0.25},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","phases":[{"label":"D0_22"}],"pid":"doi:10.1016/j.calphad.2008.10.005/p10/tab-2/r21#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔH (AI ref GHSER, FM)","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"],"record_kind":"general_table","reference_state":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"reference_state_stored":{"FE":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"FE-NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.292},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"kJ/mol (basis unstated)","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol (basis unstated)","unit_basis":"unstated","unit_printed":"J/mol","unit_stored":"J/mol (basis unstated)","value":5.84,"value_printed":5840,"value_stored":5840.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","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"},"fold_lpo":1,"fold_lso":3,"id":"ORC-IOGJOZ7AOF.bba44e","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":1},"merged_ids":["ORC-IOGJOZ7AOF.d60318"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.75},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"δ-NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at 0 K","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.419},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-28.38,"value_printed":-28.38,"value_stored":-28380.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","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"},"fold_lpo":1,"fold_lso":3,"id":"ORC-IOGJOZ7AOF.caffcc","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":1},"merged_ids":["ORC-IOGJOZ7AOF.f1049e"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.75},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"δ-NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at RT","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"stated_room_temperature","temperature_printed":"room temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.4255},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-28.51,"value_printed":-28.51,"value_stored":-28510.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"29","reference":"B.B. Argent, B.J. Pearcey, Heats of Formation of Nb−Ni Alloys, Phys. Chem. Met. Solut. Lntermetallic Compd. 31 (1959) 1–6.","status":"resolved","year":"1959"}],"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"},"fold_lpo":1,"fold_lso":3,"id":"ORC-MP75CMWX4X.7e46f8","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":2},"merged_ids":["ORC-MP75CMWX4X.f8bb47"],"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.75},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"δ-NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at RT","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"stated_room_temperature","temperature_printed":"room temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.5855},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-31.71,"value_printed":-31.71,"value_stored":-31710.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'µ-Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-KDDHYBPV3V.1f1c2c","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":3},"merged_ids":["ORC-KDDHYBPV3V.6408a0"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.461538},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"μ-Nb7Ni6","model_phase":"MU_D85"},{"label":"µ-Nb7Ni6"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at 0 K","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.0315},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-20.63,"value_printed":-20.63,"value_stored":-20630.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'µ-Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-KDDHYBPV3V.9e54ef","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":3},"merged_ids":["ORC-KDDHYBPV3V.a679af"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.461538},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"μ-Nb7Ni6","model_phase":"MU_D85"},{"label":"µ-Nb7Ni6"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at RT","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"stated_room_temperature","temperature_printed":"room temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.019},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-20.38,"value_printed":-20.38,"value_stored":-20380.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'µ-Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-UZM6JPBUE2.b2325a","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":4},"merged_ids":["ORC-UZM6JPBUE2.ab8273"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.461538},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"μ-Nb7Ni6","model_phase":"MU_D85"},{"label":"µ-Nb7Ni6"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at RT","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"stated_room_temperature","temperature_printed":"room temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.0215},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-20.43,"value_printed":-20.43,"value_stored":-20430.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'µ-Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-UZM6JPBUE2.c22fe6","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":4},"merged_ids":["ORC-UZM6JPBUE2.e00607"],"method":"DFT and phonon calculations","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NI":0.461538},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"μ-Nb7Ni6","model_phase":"MU_D85"},{"label":"µ-Nb7Ni6"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at 0 K","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"quantity_label","temperature_printed":"0 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.025},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-20.5,"value_printed":-20.5,"value_stored":-20500.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"29","reference":"B.B. Argent, B.J. Pearcey, Heats of Formation of Nb−Ni Alloys, Phys. Chem. Met. Solut. Lntermetallic Compd. 31 (1959) 1–6.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'µ-Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-J7U4WVA25P.53a2b3","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p33/tab-6","row":5},"merged_ids":["ORC-J7U4WVA25P.e730dc"],"observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.461538},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phases":[{"label":"μ-Nb7Ni6","model_phase":"MU_D85"},{"label":"µ-Nb7Ni6"}],"pid":"doi:10.1016/j.calphad.2023.102563/p33/tab-6/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"ΔHform at RT","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"stated_room_temperature","temperature_printed":"room temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.1225},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.5,"sigma_method":{"basis":"calibrated","ci95":[2.41122,4.298262],"class":"unknown","entry":"value_types/HM_FORM/classes/unknown","floor":3.5,"floor_unit":"kJ/mol-atom","n_pairs":290,"value":3.5},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-22.45,"value_printed":-22.45,"value_stored":-22450.0},{"chemical_system":"NB-NI","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":["composition_label_mismatch"],"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"composition_label_mismatch","detail":"phase µ-Nb7Ni6 site 6c2 printed composition {'NB': 0.85, 'NI': 0.15} deviates 0.31 from its formula","effect":"flag_only","gate":"G9","visual_check":{"checked":"2026-10-23","image_sha256":"bf04835a7247d86281817013735d1e87ca86d0d3eee3323b88f3562ea93deeb4","page":35,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 8 'Site fractions of Nb in μ-Nb7Ni6', columns 6c1, 6c2, 6c3, 18h, 3a. Row x_Nb = 0.569 Expt.: 0.81, 1.00, 1.00, 0.16, 0.81 - printed exactly so (equal values are genuine). Values are Nb site fractions per sublattice, not phase compositions.","verdict":"confirmed"}}],"id":"ORC-BETZVFAVXN","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p35/tab-8","row":1},"model":"M6a0b8c3f","observation_type":"phase_region_vertex_set","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NB":0.496,"NI":0.504},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.67,"NI":0.33},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c1"},{"basis":"mole_fraction","composition":{"NB":0.85,"NI":0.15},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c2"},{"basis":"mole_fraction","composition":{"NB":0.95,"NI":0.05},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c3"},{"basis":"mole_fraction","composition":{"NB":0.13,"NI":0.87},"composition_source":"printed","phase":"µ-Nb7Ni6 site 18h"},{"basis":"mole_fraction","composition":{"NB":0.74,"NI":0.26},"composition_source":"printed","phase":"µ-Nb7Ni6 site 3a"}],"phases":[{"label":"µ-Nb7Ni6"},{"label":"µ-Nb7Ni6 site 6c1"},{"label":"µ-Nb7Ni6 site 6c2"},{"label":"µ-Nb7Ni6 site 6c3"},{"label":"µ-Nb7Ni6 site 18h"},{"label":"µ-Nb7Ni6 site 3a"}],"pid":"doi:10.1016/j.calphad.2023.102563/p35/tab-8/r01#phase_region_vertex_set","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"PHASE_COMPOSITION","property_group":"phase equilibrium","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","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"},"temperature_K":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_CONDITION","floor":5.0,"floor_unit":"K","n_pairs":0,"value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_CONDITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"}},{"chemical_system":"NB-NI","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":["composition_label_mismatch"],"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"composition_label_mismatch","detail":"phase µ-Nb7Ni6 site 6c1 printed composition {'NB': 0.89, 'NI': 0.11} deviates 0.35 from its formula","effect":"flag_only","gate":"G9","visual_check":{"checked":"2026-10-23","image_sha256":"bf04835a7247d86281817013735d1e87ca86d0d3eee3323b88f3562ea93deeb4","page":35,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 8 'Site fractions of Nb in μ-Nb7Ni6', columns 6c1, 6c2, 6c3, 18h, 3a. Row x_Nb = 0.569 Expt.: 0.81, 1.00, 1.00, 0.16, 0.81 - printed exactly so (equal values are genuine). Values are Nb site fractions per sublattice, not phase compositions.","verdict":"confirmed"}}],"id":"ORC-M424XOOJW6","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p35/tab-8","row":2},"model":"M6a0b8c3f","observation_type":"phase_region_vertex_set","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NB":0.518,"NI":0.482},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.89,"NI":0.11},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c1"},{"basis":"mole_fraction","composition":{"NB":1.0,"NI":0.0},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c2"},{"basis":"mole_fraction","composition":{"NB":0.89,"NI":0.11},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c3"},{"basis":"mole_fraction","composition":{"NB":0.07,"NI":0.93},"composition_source":"printed","phase":"µ-Nb7Ni6 site 18h"},{"basis":"mole_fraction","composition":{"NB":0.77,"NI":0.23},"composition_source":"printed","phase":"µ-Nb7Ni6 site 3a"}],"phases":[{"label":"µ-Nb7Ni6"},{"label":"µ-Nb7Ni6 site 6c1"},{"label":"µ-Nb7Ni6 site 6c2"},{"label":"µ-Nb7Ni6 site 6c3"},{"label":"µ-Nb7Ni6 site 18h"},{"label":"µ-Nb7Ni6 site 3a"}],"pid":"doi:10.1016/j.calphad.2023.102563/p35/tab-8/r02#phase_region_vertex_set","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"PHASE_COMPOSITION","property_group":"phase equilibrium","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","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"},"temperature_K":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_CONDITION","floor":5.0,"floor_unit":"K","n_pairs":0,"value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_CONDITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"}},{"chemical_system":"NB-NI","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":["composition_label_mismatch"],"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"composition_label_mismatch","detail":"phase µ-Nb7Ni6 site 6c1 printed composition {'NB': 0.78, 'NI': 0.22} deviates 0.24 from its formula","effect":"flag_only","gate":"G9","visual_check":{"checked":"2026-10-23","image_sha256":"bf04835a7247d86281817013735d1e87ca86d0d3eee3323b88f3562ea93deeb4","page":35,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 8 'Site fractions of Nb in μ-Nb7Ni6', columns 6c1, 6c2, 6c3, 18h, 3a. Row x_Nb = 0.569 Expt.: 0.81, 1.00, 1.00, 0.16, 0.81 - printed exactly so (equal values are genuine). Values are Nb site fractions per sublattice, not phase compositions.","verdict":"confirmed"}}],"id":"ORC-HFKM5XGDCG","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p35/tab-8","row":3},"model":"M6a0b8c3f","observation_type":"phase_region_vertex_set","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NB":0.53,"NI":0.47},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.78,"NI":0.22},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c1"},{"basis":"mole_fraction","composition":{"NB":0.94,"NI":0.06},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c2"},{"basis":"mole_fraction","composition":{"NB":1.0,"NI":0.0},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c3"},{"basis":"mole_fraction","composition":{"NB":0.1,"NI":0.9},"composition_source":"printed","phase":"µ-Nb7Ni6 site 18h"},{"basis":"mole_fraction","composition":{"NB":0.84,"NI":0.16},"composition_source":"printed","phase":"µ-Nb7Ni6 site 3a"}],"phases":[{"label":"µ-Nb7Ni6"},{"label":"µ-Nb7Ni6 site 6c1"},{"label":"µ-Nb7Ni6 site 6c2"},{"label":"µ-Nb7Ni6 site 6c3"},{"label":"µ-Nb7Ni6 site 18h"},{"label":"µ-Nb7Ni6 site 3a"}],"pid":"doi:10.1016/j.calphad.2023.102563/p35/tab-8/r03#phase_region_vertex_set","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"PHASE_COMPOSITION","property_group":"phase equilibrium","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","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"},"temperature_K":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_CONDITION","floor":5.0,"floor_unit":"K","n_pairs":0,"value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_CONDITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"}},{"chemical_system":"NB-NI","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":["composition_label_mismatch"],"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"composition_label_mismatch","detail":"phase µ-Nb7Ni6 site 6c1 printed composition {'NB': 0.85, 'NI': 0.15} deviates 0.31 from its formula","effect":"flag_only","gate":"G9","visual_check":{"checked":"2026-10-23","image_sha256":"bf04835a7247d86281817013735d1e87ca86d0d3eee3323b88f3562ea93deeb4","page":35,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 8 'Site fractions of Nb in μ-Nb7Ni6', columns 6c1, 6c2, 6c3, 18h, 3a. Row x_Nb = 0.569 Expt.: 0.81, 1.00, 1.00, 0.16, 0.81 - printed exactly so (equal values are genuine). Values are Nb site fractions per sublattice, not phase compositions.","verdict":"confirmed"}}],"id":"ORC-RPHJUZVTCP","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p35/tab-8","row":4},"model":"M6a0b8c3f","observation_type":"phase_region_vertex_set","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NB":0.553,"NI":0.447},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.85,"NI":0.15},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c1"},{"basis":"mole_fraction","composition":{"NB":0.99,"NI":0.01},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c2"},{"basis":"mole_fraction","composition":{"NB":1.0,"NI":0.0},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c3"},{"basis":"mole_fraction","composition":{"NB":0.12,"NI":0.88},"composition_source":"printed","phase":"µ-Nb7Ni6 site 18h"},{"basis":"mole_fraction","composition":{"NB":0.81,"NI":0.19},"composition_source":"printed","phase":"µ-Nb7Ni6 site 3a"}],"phases":[{"label":"µ-Nb7Ni6"},{"label":"µ-Nb7Ni6 site 6c1"},{"label":"µ-Nb7Ni6 site 6c2"},{"label":"µ-Nb7Ni6 site 6c3"},{"label":"µ-Nb7Ni6 site 18h"},{"label":"µ-Nb7Ni6 site 3a"}],"pid":"doi:10.1016/j.calphad.2023.102563/p35/tab-8/r04#phase_region_vertex_set","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"PHASE_COMPOSITION","property_group":"phase equilibrium","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","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"},"temperature_K":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_CONDITION","floor":5.0,"floor_unit":"K","n_pairs":0,"value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_CONDITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"}},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":{"NB":0.538462,"NI":0.461538},"before":{"NB":0.81,"NI":0.19},"evidence":{"formula":"µ-Nb7Ni6 site 6c1","same_composition_rows":3},"field":"phase_compositions[µ-Nb7Ni6 site 6c1]","gate":"G9","rule":"composition_from_printed_formula","visual_check":{"checked":"2026-10-23","image_sha256":"bf04835a7247d86281817013735d1e87ca86d0d3eee3323b88f3562ea93deeb4","page":35,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 8 'Site fractions of Nb in μ-Nb7Ni6', columns 6c1, 6c2, 6c3, 18h, 3a. Row x_Nb = 0.569 Expt.: 0.81, 1.00, 1.00, 0.16, 0.81 - printed exactly so (equal values are genuine). Values are Nb site fractions per sublattice, not phase compositions.","verdict":"confirmed"}}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":1,"fold_lso":3,"id":"ORC-74F2TKIZ7O","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p35/tab-8","row":5},"model":"M6a0b8c3f","observation_type":"phase_region_vertex_set","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","own_work_of_paper":true},"overall_composition":{"NB":0.569,"NI":0.431},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.538462,"NI":0.461538},"composition_source":"stoichiometry_of_printed_formula","composition_stored":{"NB":0.81,"NI":0.19},"phase":"µ-Nb7Ni6 site 6c1"},{"basis":"mole_fraction","composition":{"NB":1.0,"NI":0.0},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c2"},{"basis":"mole_fraction","composition":{"NB":1.0,"NI":0.0},"composition_source":"printed","phase":"µ-Nb7Ni6 site 6c3"},{"basis":"mole_fraction","composition":{"NB":0.16,"NI":0.84},"composition_source":"printed","phase":"µ-Nb7Ni6 site 18h"},{"basis":"mole_fraction","composition":{"NB":0.81,"NI":0.19},"composition_source":"printed","phase":"µ-Nb7Ni6 site 3a"}],"phases":[{"label":"µ-Nb7Ni6"},{"label":"µ-Nb7Ni6 site 6c1"},{"label":"µ-Nb7Ni6 site 6c2"},{"label":"µ-Nb7Ni6 site 6c3"},{"label":"µ-Nb7Ni6 site 18h"},{"label":"µ-Nb7Ni6 site 3a"}],"pid":"doi:10.1016/j.calphad.2023.102563/p35/tab-8/r05#phase_region_vertex_set","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"PHASE_COMPOSITION","property_group":"phase equilibrium","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"confirmed_pro","readers":["claude-opus-5.5","gemini-3.1-pro-preview","text_layer"],"record_kind":"general_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1273.0,"temperature_basis":"printed","temperature_printed":"1273 K","tool_release":"tools-release-v2.1.18","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"},"temperature_K":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":5.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_CONDITION","floor":5.0,"floor_unit":"K","n_pairs":0,"value":5.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"K","value_type":"T_CONDITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"}},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"97","reference":"B.B. Argent, B.J. Pearcy, The physical chemistry of metallic solutions and intermetallic compounds, vol. 1, National Physical Laboratory, HMSO, London, 1959, p. 31.","status":"resolved","year":"1959"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":3,"id":"ORC-KNMXYXBOEW.6c652d","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":1},"merged_ids":["ORC-KNMXYXBOEW.a704c4"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"Nb7Ni6"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.2},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.2},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-22.47,"value_printed":-22.47,"value_stored":-22470.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"98","reference":"O. Kubaschewski, Thermodynamics of nulcear materials, in: Proceedings of a Symposium, Vienna, 1968, pp. 685–698. K. Santhy, K.C. Hari Kumar / Journal of Alloys and Compounds 619 (2015) 733–747","status":"resolved","year":"2015"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":3,"id":"ORC-V6DVVRGG5E.11e0a4","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":2},"merged_ids":["ORC-V6DVVRGG5E.9d95b8"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"Nb7Ni6"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r02#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":600.15,"temperature_basis":"printed","temperature_printed":"327","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":3.0},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":3.0},"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-23.0,"value_printed":-23,"value_stored":-23000.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Hultgren","kind":"unknown","label":"99","reference":"R. Hultgren, P.D. Desai, D.T. Hawkins, M. Gleiser, K.K. Kelley, Selected values of thermodynamics properties of binary alloys, American Society for Metals, Metals Park, Ohio, 1973.","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":{"detail":"label 'Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":3,"id":"ORC-GUSR4DRJTM.dce290","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":3},"merged_ids":["ORC-GUSR4DRJTM.ea275f"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"Nb7Ni6"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r03#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.15},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-23.0,"value_printed":-23,"value_stored":-23000.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0921-4526(88)90002-6","first_author":"Niessen","kind":"unknown","label":"100","paper":"doi:10.1016/0921-4526(88)90002-6","reference":"A.K. Niessen, A.R. Miedema, F.R. de Boer, R. Boom, Enthalpies of formation of liquid and solid binary alloys based on 3d metals V, alloys of nickel, Phys. B 152 (1988) 303–346.","status":"resolved","year":"1988"}],"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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-KD3FJ3WKW4.84d5f6","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":4},"merged_ids":["ORC-KD3FJ3WKW4.b457e2"],"method":"Miedema","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","own_work_of_paper":false},"overall_composition":{"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"Nb7Ni6"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r04#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.038},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-20.76,"value_printed":-20.76,"value_stored":-20760.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"detail":"label 'Nb7Ni6'","reason":"phase_label_not_mapped","result":"fail"},"espei_ready":false,"espei_ready_upstream":true,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":3,"fold_lso":3,"id":"ORC-LFR5XFEABG.91d157","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":5},"merged_ids":["ORC-LFR5XFEABG.b3bee9"],"method":"First-principle","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.jallcom.2014.08.200","own_work_of_paper":true},"overall_composition":{"NI":0.461538},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"Nb7Ni6"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r05#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","temperature_printed":"0 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.125},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-22.5,"value_printed":-22.5,"value_stored":-22500.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Argent","kind":"unknown","label":"97","reference":"B.B. Argent, B.J. Pearcy, The physical chemistry of metallic solutions and intermetallic compounds, vol. 1, National Physical Laboratory, HMSO, London, 1959, p. 31.","status":"resolved","year":"1959"}],"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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-33IFFGWUUH.08e033","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":6},"merged_ids":["ORC-33IFFGWUUH.941a57"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r06#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.5},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.5},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-31.71,"value_printed":-31.71,"value_stored":-31710.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Kubaschewski","kind":"unknown","label":"98","reference":"O. Kubaschewski, Thermodynamics of nulcear materials, in: Proceedings of a Symposium, Vienna, 1968, pp. 685–698. K. Santhy, K.C. Hari Kumar / Journal of Alloys and Compounds 619 (2015) 733–747","status":"resolved","year":"2015"}],"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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-VJ2BC6W776.4be015","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":7},"merged_ids":["ORC-VJ2BC6W776.97a165"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r07#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":600.15,"temperature_basis":"printed","temperature_printed":"327","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"printed","value":2.0},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"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":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-32.0,"value_printed":-32.0,"value_stored":-32000.0},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Hultgren","kind":"unknown","label":"99","reference":"R. Hultgren, P.D. Desai, D.T. Hawkins, M. Gleiser, K.K. Kelley, Selected values of thermodynamics properties of binary alloys, American Society for Metals, Metals Park, Ohio, 1973.","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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-ZI3WR77ALH.34226d","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":8},"merged_ids":["ORC-ZI3WR77ALH.f7a708"],"method":"Experimental","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r08#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.6},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.1,"sigma_method":{"basis":"cleaned_below_threshold","ci95":[1.991877,9.330373],"class":"experimental_unspecified","entry":"value_types/HM_FORM/classes/experimental_unspecified","floor":4.1,"floor_unit":"kJ/mol-atom","n_pairs":29,"prior_source":"kubaschewski","value":4.1},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-32.0,"value_printed":-32,"value_stored":-32000.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0921-4526(88)90002-6","first_author":"Niessen","kind":"unknown","label":"100","paper":"doi:10.1016/0921-4526(88)90002-6","reference":"A.K. Niessen, A.R. Miedema, F.R. de Boer, R. Boom, Enthalpies of formation of liquid and solid binary alloys based on 3d metals V, alloys of nickel, Phys. B 152 (1988) 303–346.","status":"resolved","year":"1988"}],"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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-24DNL2BNUS.80c931","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":9},"merged_ids":["ORC-24DNL2BNUS.bd31b3"],"method":"Miedema","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","own_work_of_paper":false},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r09#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":298.15,"temperature_basis":"printed","temperature_printed":"25","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.6},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-32.0,"value_printed":-32.0,"value_stored":-32000.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1103/physrevb.53.1129","first_author":"Ravindran","kind":"unknown","label":"101","paper":"doi:10.1103/physrevb.53.1129","reference":"P. Ravindran, G. Subramoniam, R. Asokamani, Ground-state properties and relative stability between the L12 and D0a phases of Ni3Al by Nb substitution, Phys. Rev. B 53 (3) (1996) 1129–1137. 747","status":"resolved","year":"1996"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"dft","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K","state:computation_context","temperature not stated"],"state_fully_specified":false},"fold_lpo":3,"fold_lso":3,"id":"ORC-CROOJNHYVK.52c640","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":10},"merged_ids":["ORC-CROOJNHYVK.d3e49b"],"method":"First-principle","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"printed_source_other_calculation","class":"computed","own_work_of_paper":false},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r10#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"fixed_state_variables":{"T":298.15},"phase":"BCC_A2"},"NI":{"fixed_state_variables":{"T":298.15},"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.6705},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-33.41,"value_printed":-33.41,"value_stored":-33410.0},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"dft","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"},"fold_lpo":3,"fold_lso":3,"id":"ORC-UWMR7VIUSG.009e3a","locator":{"ref":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6","row":11},"merged_ids":["ORC-UWMR7VIUSG.968fb5"],"method":"First-principle","method_basis":"printed in the table row/column","observation_type":"equilibrium_property","origin":{"basis":"this_work+label_first_principles","class":"computed","measured_in":"doi:10.1016/j.jallcom.2014.08.200","own_work_of_paper":true},"overall_composition":{"NI":0.75},"overall_composition_basis":"from_formula","paper":"doi:10.1016/j.jallcom.2014.08.200","paper_id":"doi:10.1016/j.jallcom.2014.08.200","phases":[{"label":"NbNi3","model_phase":"NBNI3_D0A"}],"pid":"doi:10.1016/j.jallcom.2014.08.200/p4/tab-6/r11#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"HM_FORM","property_group":"formation","property_printed":"Enthalpy of formation","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":{"NB":{"phase":"BCC_A2"},"NI":{"phase":"FCC_A1"}},"source_system":"NB-NI","system":"NB-NI","temperature_K":0.0,"temperature_basis":"printed","temperature_printed":"0 K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":1.56},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.929,"sigma_method":{"basis":"calibrated","ci95":[2.742,4.87],"class":"dft","entry":"dft/literature/strata/magnetic_3d","floor":3.929,"floor_unit":"kJ/mol-atom","n_pairs":105,"stratum":"literature/magnetic_3d","value":3.929},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"column_header","unit_printed":"kJ/mol-atom","unit_stored":"J/mol-atom","value":-31.2,"value_printed":-31.2,"value_stored":-31200.0},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-2Q2OV6KFET","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":1},"model":"M936960a4","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.249},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.249},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1675.0,"temperature_printed":"1675","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":0.005,"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":1675.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"66Due","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery,J. Less-Common Met., 11(6), 381 (1966).","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-JJE2YBGMPT","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1675.0,"temperature_printed":"1675","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":0.011,"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":1675.0},{"chemical_system":"NB-NI","cited_sources":[{"kind":"unknown","label":"92Kej1","status":"unresolved"}],"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":1,"fold_lso":3,"id":"ORC-M6CSVEMNY2","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":3},"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:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.252},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.252},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1672.0,"temperature_printed":"1672","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":0.005,"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":"NB-NI","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":1,"fold_lso":3,"id":"ORC-QB7RL3FJ7L","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":4},"model":"Me31805d5","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.148},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.124},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.227},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> fcc(Ni) + Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1555.0,"temperature_printed":"1555","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":0.05},"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":1555.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"66Due","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery,J. Less-Common Met., 11(6), 381 (1966).","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-2UOLPXJ4ND","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.16},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.127},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.226},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> fcc(Ni) + Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1555.0,"temperature_printed":"1555","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":0.05},"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":1555.0},{"chemical_system":"NB-NI","cited_sources":[{"kind":"unknown","label":"92Kej1","status":"unresolved"}],"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":1,"fold_lso":3,"id":"ORC-QYS4G5L4IE","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":6},"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:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.155},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.123},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.238},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> fcc(Ni) + Ni3Nb","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":"NB-NI","system":"NB-NI","temperature_K":1560.0,"temperature_printed":"1560","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":0.05},"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":1560.0},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-7AEJ52TBJZ","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":7},"model":"Me31805d5","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.409},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.275},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.506},"composition_source":"printed","phase":"μ"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb + μ","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":"NB-NI","system":"NB-NI","temperature_K":1448.0,"temperature_printed":"1448","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":0.05},"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":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"66Due","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery,J. Less-Common Met., 11(6), 381 (1966).","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-DJHUCFA65Q","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.405},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.275},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.5},"composition_source":"printed","phase":"μ"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb + μ","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":"NB-NI","system":"NB-NI","temperature_K":1448.0,"temperature_printed":"1448","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":0.05},"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":"NB-NI","cited_sources":[{"kind":"unknown","label":"92Kej1","status":"unresolved"}],"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":1,"fold_lso":3,"id":"ORC-RB4VQUKS3I","locator":{"ref":"doi:10.1007/bf02665782/p6/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:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.405},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.279},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.496},"composition_source":"printed","phase":"μ"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> Ni3Nb + μ","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":"NB-NI","system":"NB-NI","temperature_K":1451.0,"temperature_printed":"1451","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":0.05},"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":1451.0},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-7Z6UYLATM4","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":10},"model":"Me31805d5","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/bf02665782","own_work_of_paper":true},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.509},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.553},"composition_source":"printed","phase":"μ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.958},"composition_source":"printed","phase":"bcc(Nb)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> μ + bcc(Nb)","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":"NB-NI","system":"NB-NI","temperature_K":1568.0,"temperature_printed":"1568","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":0.05},"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":1568.0},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"66Due","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery,J. Less-Common Met., 11(6), 381 (1966).","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-LOXTL3EENY","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.54},"composition_source":"printed","phase":"μ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.955},"composition_source":"printed","phase":"bcc(Nb)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> μ + bcc(Nb)","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":"NB-NI","system":"NB-NI","temperature_K":1568.0,"temperature_printed":"1568","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":0.011,"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":1568.0},{"chemical_system":"NB-NI","cited_sources":[{"kind":"unknown","label":"92Kej1","status":"unresolved"}],"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":1,"fold_lso":3,"id":"ORC-5F3JAS5UVQ","locator":{"ref":"doi:10.1007/bf02665782/p6/tab-3","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","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.534},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.545},"composition_source":"printed","phase":"μ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.956},"composition_source":"printed","phase":"bcc(Nb)"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"μ","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/bf02665782/p6/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 <-> μ + bcc(Nb)","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":"NB-NI","system":"NB-NI","temperature_K":1564.0,"temperature_printed":"1564","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":0.05},"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":1564.0},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-T5554VWNV6","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":1},"model":"Mfb4c23dc","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.16},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.142},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.243},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> fcc(Ni) + Ni3Nb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1558.15,"temperature_printed":"1285","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":0.005},"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":1558.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Grube","kind":"unknown","label":"32","reference":"G. Grube, O. Kubaschewski, and K. Zwiauer: Z. Elektrochem., 1939, vol. 45, pp. 881–84.","status":"resolved","year":"1939"}],"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":1,"fold_lso":3,"id":"ORC-QDOEPJX5QE","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":2},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> fcc(Ni) + Ni3Nb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1538.15,"temperature_printed":"1265","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":0.005},"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":1538.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"unknown","label":"33","reference":"S.A. Pogodin and A.N. Selikmann: Dokl. Akad. Nauk SSSR, 1941, vol. 31, pp. 895–97.","status":"resolved","year":"1941"}],"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":1,"fold_lso":3,"id":"ORC-6P5D5LRWU2","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":3},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.162},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> fcc(Ni) + Ni3Nb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1543.15,"temperature_printed":"1270","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":0.0005},"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":0.005},"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":1543.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"34","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery: J. Less-Common Met., 1966, vol. 11, pp. 381–87.","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-5YA3DKFXJU","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":4},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.16},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.127},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.226},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> fcc(Ni) + Ni3Nb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1555.15,"temperature_printed":"1282","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":0.0005},"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":0.005},"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":1555.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"unknown","label":"41","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, and J.C. Schuster: J. Mater. Sci., 2005, vol. 40, pp. 6019–22.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-5ZE4GQYKTA","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":5},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> fcc(Ni) + Ni3Nb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1558.15,"temperature_uncertainty":{"basis":"printed","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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1558.15},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-7T6YBVQHXO","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":6},"model":"Md5d4ee96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb","type":"congruent melting","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1675.15,"temperature_printed":"1402","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":0.005},"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":1675.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"unknown","label":"33","reference":"S.A. Pogodin and A.N. Selikmann: Dokl. Akad. Nauk SSSR, 1941, vol. 31, pp. 895–97.","status":"resolved","year":"1941"}],"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":1,"fold_lso":3,"id":"ORC-W5YLUOLCZE","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":7},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb","type":"congruent melting","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1676.15,"temperature_printed":"1403","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":0.005},"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":1676.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"34","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery: J. Less-Common Met., 1966, vol. 11, pp. 381–87.","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-IOFTZTEYEU","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":8},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25},"composition_source":"printed","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb","type":"congruent melting","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1675.15,"temperature_printed":"1402","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":0.005},"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":1675.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"unknown","label":"41","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, and J.C. Schuster: J. Mater. Sci., 2005, vol. 40, pp. 6019–22.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-V7SXB36PJP","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":9},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"congruent_same_composition","phase":"Liq."},{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb","type":"congruent melting","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1677.15,"temperature_uncertainty":{"basis":"printed","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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1677.15},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-4JCVH3VSGM","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":10},"model":"Mfb4c23dc","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.398},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.271},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.487},"composition_source":"printed","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb + NiNb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1453.15,"temperature_printed":"1180","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":0.005},"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":1453.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"unknown","label":"33","reference":"S.A. Pogodin and A.N. Selikmann: Dokl. Akad. Nauk SSSR, 1941, vol. 31, pp. 895–97.","status":"resolved","year":"1941"}],"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":1,"fold_lso":3,"id":"ORC-PDLRZMLHV2","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":11},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.402},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.5,"NI":0.5},"composition_source":"formula_nominal","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb + NiNb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1448.15,"temperature_printed":"1175","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":0.0005},"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":0.005},"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":1448.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"34","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery: J. Less-Common Met., 1966, vol. 11, pp. 381–87.","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-OPUCNV6TG7","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":12},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.405},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.275},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.5},"composition_source":"printed","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb + NiNb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1448.15,"temperature_printed":"1175","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":0.0005},"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":0.005},"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":1448.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"unknown","label":"41","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, and J.C. Schuster: J. Mater. Sci., 2005, vol. 40, pp. 6019–22.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-6Y6F7DB7IG","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":13},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"},{"basis":"mole_fraction","composition":{"NB":0.5,"NI":0.5},"composition_source":"formula_nominal","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. -> Ni3Nb + NiNb","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-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"NB-NI","system":"NB-NI","temperature_K":1453.15,"temperature_uncertainty":{"basis":"printed","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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":2.0},"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1453.15},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-CMDOLNWMUX","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":14},"model":"Md5d4ee96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.537},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.946},"composition_source":"printed","phase":"bcc(Nb)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.556},"composition_source":"printed","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. + bcc(Nb) -> NiNb"},"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":"NB-NI","system":"NB-NI","temperature_K":1580.15,"temperature_printed":"1307","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":0.005},"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":1580.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"unknown","label":"34","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden and W. Hume-Rothery: J. Less-Common Met., 1966, vol. 11, pp. 381–87.","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-Y6NTTAWOJN","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":15},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_abstract_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.5},"composition_source":"printed","phase":"Liq."},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.955},"composition_source":"printed","phase":"bcc(Nb)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.54},"composition_source":"printed","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. + bcc(Nb) -> NiNb"},"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":"NB-NI","system":"NB-NI","temperature_K":1568.15,"temperature_printed":"1295","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":0.0005},"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":0.005},"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":1568.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"unknown","label":"41","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, and J.C. Schuster: J. Mater. Sci., 2005, vol. 40, pp. 6019–22.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-QGERH5SBD3","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":16},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.5,"NI":0.5},"composition_source":"formula_nominal","phase":"NiNb"}],"phases":[{"label":"Liq.","model_phase":"LIQUID"},{"label":"bcc(Nb)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"NiNb","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"Liq. + bcc(Nb) -> NiNb"},"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":"NB-NI","system":"NB-NI","temperature_K":1575.15,"temperature_uncertainty":{"basis":"printed","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":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":0.005},"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":1575.15},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-6CDNC5QQQO","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":17},"model":"Mfb4c23dc","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s11661-020-05963-2","own_work_of_paper":true},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.06},"composition_source":"printed","phase":"fcc(Ni)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.245},"composition_source":"printed","phase":"Ni3Nb"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"NB":0.111},"composition_source":"printed","phase":"Ni8Nb"}],"phases":[{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"Ni8Nb","model_phase":"NBNI8"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"fcc(Ni) + Ni3Nb -> Ni8Nb"},"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":"NB-NI","system":"NB-NI","temperature_K":788.15,"temperature_printed":"515","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":0.005},"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":788.15},{"chemical_system":"NB-NI","cited_sources":[{"kind":"unknown","label":"37","reference":"C.J. van der Wekken, R. Taggart, and D.H. Polonis: Met. Sci., 1971, vol. 5, pp. 219–23.","status":"resolved","year":"1971"}],"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":1,"fold_lso":3,"id":"ORC-6XSLWX7LUB","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":18},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"},{"basis":"mole_fraction","composition":{"NB":0.111111,"NI":0.888889},"composition_source":"stoichiometric_model_phase","phase":"Ni8Nb"}],"phases":[{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"Ni8Nb","model_phase":"NBNI8"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"fcc(Ni) + Ni3Nb -> Ni8Nb"},"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":"NB-NI","system":"NB-NI","temperature_K":808.15,"temperature_printed":"535","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-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":0.005},"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":808.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"unknown","label":"41","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, and J.C. Schuster: J. Mater. Sci., 2005, vol. 40, pp. 6019–22.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-GEEPIN2LGC","locator":{"ref":"doi:10.1007/s11661-020-05963-2/p14/tab-vii","row":19},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","own_work_of_paper":false},"paper":"doi:10.1007/s11661-020-05963-2","paper_id":"doi:10.1007/s11661-020-05963-2","phase_compositions":[{"basis":"mole_fraction","composition":{"NB":0.25,"NI":0.75},"composition_source":"formula_nominal","phase":"Ni3Nb"},{"basis":"mole_fraction","composition":{"NB":0.111111,"NI":0.888889},"composition_source":"stoichiometric_model_phase","phase":"Ni8Nb"}],"phases":[{"label":"fcc(Ni)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Ni3Nb","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"Ni8Nb","model_phase":"NBNI8"}],"pid":"doi:10.1007/s11661-020-05963-2/p14/tab-vii/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":"fcc(Ni) + Ni3Nb -> Ni8Nb"},"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":"NB-NI","system":"NB-NI","temperature_K":788.15,"temperature_uncertainty":{"basis":"printed","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-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":0.005},"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":788.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"6","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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,"gate_failures":["reaction_class_conflicts_printed_reaction"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":5.168,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"reaction_class_conflicts_printed_reaction","detail":"class 'peritectic' but the printed reaction 'Liq -> µ + bcc' reads 'eutectic'","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-EN5OEQUBEP","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"},{"label":"bcc","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r-unplaced-0e234174#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":"Liq -> µ + bcc","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":"NB-NI","system":"NB-NI","temperature_K":1568,"temperature_printed":"1568","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":1568},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"6","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":-9.477,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-YK5LYRA34G","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r-unplaced-228833e7#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":"Liq -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1555,"temperature_printed":"1555","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":1555},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"6","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":4,"fold_lso":3,"id":"ORC-WQAIPS3TNQ","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":2},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r-unplaced-2f279aae#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":"Liq -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1675,"temperature_printed":"1675","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":0.011,"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":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":1675},{"chemical_system":"NB-NI","cited_sources":[{"kind":"experimental","label":"10","reference":"C.J. van der Wekken, R. Taggart, D.H. Polonis, Met. Sci. J. 5 (1971) 219–223.","status":"resolved","year":"1971"}],"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":1.913,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-LPWA4XJUSH","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:db9238b061cef03a","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r-unplaced-b4bf056c#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":"NbNi8 -> fcc + NbNi3","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":808,"temperature_printed":"808","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"Peritectoid","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":808},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"6","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":-6.45,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-4TZDTWZOSW","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":8},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r-unplaced-da8cbf84#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":"Liq -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1448,"temperature_printed":"1448","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":1448},{"chemical_system":"NB-NI","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":4,"fold_lso":3,"id":"ORC-LT2JBLTB2P","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":1},"model":"M70bef716","observation_type":"phase_transition","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/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":"Liq -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1671,"temperature_printed":"1671","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":0.005,"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":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":1671},{"chemical_system":"NB-NI","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":3.913,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-GNHCJUJ7MR","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":3},"model":"M1282fa9a","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/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":"NbNi8 -> fcc + NbNi3","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":810,"temperature_printed":"810","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"Peritectoid","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-11},"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":810},{"chemical_system":"NB-NI","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":-0.477,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-HLPVVTHKTY","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":5},"model":"M1282fa9a","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r03#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":"Liq -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1564,"temperature_printed":"1564","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":1564},{"chemical_system":"NB-NI","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":-0.45,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-Y3U6A67U3N","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":7},"model":"M1282fa9a","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/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":"Liq -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1454,"temperature_printed":"1454","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":1454},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["reaction_class_conflicts_printed_reaction"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.168,"dx":{},"model":"NbNi-04Jou.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"reaction_class_conflicts_printed_reaction","detail":"class 'peritectic' but the printed reaction 'Liq -> µ + bcc' reads 'eutectic'","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-WZ5VFLYSOU","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3","row":9},"model":"M1282fa9a","observation_type":"invariant_reaction","origin":{"basis":"this_work+label_names_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"},{"label":"bcc","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2004.09.004/p5/tab-3/r05#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":"Liq -> µ + bcc","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":"NB-NI","system":"NB-NI","temperature_K":1563,"temperature_printed":"1563","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":1563},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Ardell","kind":"experimental","label":"16","reference":"A.J. Ardell, Metallic Alloys: Experimental and Theoretical Perspectives, Kluwer Academic Publishers, Dordrecht, 1994, p. 93.","status":"resolved","year":"1994"}],"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":-1.957,"dx":{"L":-0.0111,"NbNi3":0.0135,"fcc":-0.0087},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-SY5XZQWV4G","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:d35842c459f1dc48","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.84},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.873},"composition_source":"printed","phase":"fcc"},{"basis":"mole_fraction","composition":{"NI":0.774},"composition_source":"printed","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r01#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 -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1555.15,"temperature_printed":"1282","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":0.005},"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":1555.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0364-5916(91)90030-n","first_author":"Dinsdale","kind":"assessment","label":"20","paper":"doi:10.1016/0364-5916(91)90030-n","reference":"A.T. Dinsdale, CALPHAD 15 (1991) 317–425.","status":"resolved","year":"1991"}],"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":1.043,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-7FCW2C2PSM","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":2},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental_via_assessment","class":"experimental","measured_in":"doi:10.1016/0364-5916(91)90030-n","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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":"L -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1558.15,"temperature_printed":"1285","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":0.005},"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":1558.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"11","paper":"doi:10.1007/s10853-005-4553-4","reference":"H.L. Chen, Y. Du, H.H. Xu, Y. Liu, J.C. Schuster, J. Mater. Sci. 40 (2005) 6019–6022.","status":"resolved","year":"2005"}],"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":1.043,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-UIJBKAUNJN","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r03#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 -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1558.15,"temperature_printed":"1285","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":0.005},"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":1558.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2004.09.004","first_author":"Joubert","kind":"assessment","label":"7","paper":"doi:10.1016/j.calphad.2004.09.004","reference":"J.M. Joubert, B. Sundman, N. Dupin, CALPHAD 28 (2004) 299–306.","status":"resolved","year":"2004"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":7.043,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-TLM6LMZUOB","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":4},"model":"M75b71358","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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":"L -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1564.15,"temperature_printed":"1291","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":0.005},"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":1564.15},{"chemical_system":"NB-NI","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":0.043,"dx":{"L":-0.0001,"NbNi3":-0.0015,"fcc":-0.0087},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-UYYAFLUB7N","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":5},"model":"M65035837","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.851},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.873},"composition_source":"printed","phase":"fcc"},{"basis":"mole_fraction","composition":{"NI":0.759},"composition_source":"printed","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r05#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 -> fcc + NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1557.15,"temperature_printed":"1284","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":0.005},"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":1557.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Ardell","kind":"experimental","label":"16","reference":"A.J. Ardell, Metallic Alloys: Experimental and Theoretical Perspectives, Kluwer Academic Publishers, Dordrecht, 1994, p. 93.","status":"resolved","year":"1994"}],"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":0,"fold_lso":3,"id":"ORC-DRCXZBA4GD","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":6},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:d35842c459f1dc48","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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":"L -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1675.15,"temperature_printed":"1402","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":0.011,"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":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":0.005},"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":1675.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"experimental","label":"24","reference":"S.A. Pogodin, A.N. Selikmann, C. R. Dokl. Akad. Sci. URSS 31 (1941) 895–897.","status":"resolved","year":"1941"}],"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":0,"fold_lso":3,"id":"ORC-XA63AKUUI4","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":7},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:4945139172d4b31d","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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":"L -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1676.15,"temperature_printed":"1403","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":0.011,"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":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":0.005},"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":1676.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"11","paper":"doi:10.1007/s10853-005-4553-4","reference":"H.L. Chen, Y. Du, H.H. Xu, Y. Liu, J.C. Schuster, J. Mater. Sci. 40 (2005) 6019–6022.","status":"resolved","year":"2005"}],"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":0,"fold_lso":3,"id":"ORC-PSOLU3HRSJ","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":8},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r08#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 -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1677.15,"temperature_printed":"1404","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":0.011,"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":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":0.005},"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":1677.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2004.09.004","first_author":"Joubert","kind":"assessment","label":"7","paper":"doi:10.1016/j.calphad.2004.09.004","reference":"J.M. Joubert, B. Sundman, N. Dupin, CALPHAD 28 (2004) 299–306.","status":"resolved","year":"2004"}],"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":0,"fold_lso":3,"id":"ORC-M5IWA6U4WH","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":9},"model":"M75b71358","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r09#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 -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1671.15,"temperature_printed":"1398","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":0.005,"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":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":0.005},"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":1671.15},{"chemical_system":"NB-NI","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":0,"fold_lso":3,"id":"ORC-UYERU6HQKX","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":10},"model":"M65035837","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r10#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 -> NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1672.15,"temperature_printed":"1399","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":0.005,"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":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":0.005},"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":1672.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Ardell","kind":"experimental","label":"16","reference":"A.J. Ardell, Metallic Alloys: Experimental and Theoretical Perspectives, Kluwer Academic Publishers, Dordrecht, 1994, p. 93.","status":"resolved","year":"1994"}],"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":-10.273,"dx":{"L":0.0142,"NbNi3":-0.0085,"µ":0.0158},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-GWIHKXT6UP","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:d35842c459f1dc48","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.595},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.725},"composition_source":"printed","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"µ"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1448.15,"temperature_printed":"1175","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":0.005},"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":1448.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"17","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":-10.273,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-5DGXAMIRGT","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r12#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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1448.15,"temperature_printed":"1175","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":0.005},"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":1448.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"experimental","label":"24","reference":"S.A. Pogodin, A.N. Selikmann, C. R. Dokl. Akad. Sci. URSS 31 (1941) 895–897.","status":"resolved","year":"1941"}],"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":-10.273,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-OZ4IGE6ICW","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:4945139172d4b31d","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r13#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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1448.15,"temperature_printed":"1175","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":0.005},"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":1448.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"11","paper":"doi:10.1007/s10853-005-4553-4","reference":"H.L. Chen, Y. Du, H.H. Xu, Y. Liu, J.C. Schuster, J. Mater. Sci. 40 (2005) 6019–6022.","status":"resolved","year":"2005"}],"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":-5.273,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-5NXHRVYNPA","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r14#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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1453.15,"temperature_printed":"1180","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":0.005},"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":1453.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2004.09.004","first_author":"Joubert","kind":"assessment","label":"7","paper":"doi:10.1016/j.calphad.2004.09.004","reference":"J.M. Joubert, B. Sundman, N. Dupin, CALPHAD 28 (2004) 299–306.","status":"resolved","year":"2004"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":-4.273,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-5TPNLHXK5S","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":15},"model":"M75b71358","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r15#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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1454.15,"temperature_printed":"1181","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":0.005},"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":1454.15},{"chemical_system":"NB-NI","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":-1.273,"dx":{"L":0.0042,"NbNi3":0.0015,"µ":0.0158},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-K26XW6CZXR","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":16},"model":"M65035837","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.585},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.735},"composition_source":"printed","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"µ"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r16#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 -> NbNi3 + µ","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":"NB-NI","system":"NB-NI","temperature_K":1457.15,"temperature_printed":"1184","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":0.005},"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":1457.15},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Ardell","kind":"experimental","label":"16","reference":"A.J. Ardell, Metallic Alloys: Experimental and Theoretical Perspectives, Kluwer Academic Publishers, Dordrecht, 1994, p. 93.","status":"resolved","year":"1994"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc","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"},{"after":null,"before":"MU_D85","evidence":{"label":"µ","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":"experimental","flags":{"calphad_check":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":4.017,"dx":{"L":0.0338,"bcc":0.4121,"µ":-0.3683},"fail_reason":"composition","model":"NbNi-06Che-orig.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-EF3SC5T6AL","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:d35842c459f1dc48","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.46},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction","composition":{"NI":0.045},"composition_source":"printed","phase":"µ"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}},{"label":"µ","model_phase_rejected":{"mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r17#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 + bcc -> µ","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":"NB-NI","system":"NB-NI","temperature_K":1568.15,"temperature_printed":"1295","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":0.011,"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":0.005},"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":1568.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"17","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, J. Less-Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":-0.983,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-NWWKAC3GKV","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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 + bcc -> µ","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":"NB-NI","system":"NB-NI","temperature_K":1563.15,"temperature_printed":"1290","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":0.005},"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":1563.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"11","paper":"doi:10.1007/s10853-005-4553-4","reference":"H.L. Chen, Y. Du, H.H. Xu, Y. Liu, J.C. Schuster, J. Mater. Sci. 40 (2005) 6019–6022.","status":"resolved","year":"2005"}],"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":13.017,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-RXZ7STK6AL","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":19},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/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 + bcc -> µ","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":"NB-NI","system":"NB-NI","temperature_K":1577.15,"temperature_printed":"1304","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":0.005},"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":1577.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2004.09.004","first_author":"Joubert","kind":"assessment","label":"7","paper":"doi:10.1016/j.calphad.2004.09.004","reference":"J.M. Joubert, B. Sundman, N. Dupin, CALPHAD 28 (2004) 299–306.","status":"resolved","year":"2004"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":-0.983,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-JZPL7XLFJC","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":20},"model":"M75b71358","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"µ","mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r20#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 + bcc -> µ","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":"NB-NI","system":"NB-NI","temperature_K":1563.15,"temperature_printed":"1290","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":0.005},"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":1563.15},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc","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"},{"after":null,"before":"MU_D85","evidence":{"label":"µ","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":"disagrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.983,"dx":{"L":0.0038,"bcc":0.3641,"µ":-0.3663},"fail_reason":"composition","model":"NbNi-06Che-orig.tdb","result":"fail","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-JRC2LQT24Z","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":21},"model":"M3a23b55d","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.47},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"NI":0.412},"composition_source":"printed","phase":"bcc"},{"basis":"mole_fraction","composition":{"NI":0.047},"composition_source":"printed","phase":"µ"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"bcc","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}},{"label":"µ","model_phase_rejected":{"mapping_confidence":"proposed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r21#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 + bcc -> µ","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":"NB-NI","system":"NB-NI","temperature_K":1563.15,"temperature_printed":"1290","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":0.005},"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":1563.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1179/030634571790439487","first_author":"Wekken","kind":"experimental","label":"14","paper":"doi:10.1179/030634571790439487","reference":"C.J. Wekken, R. Taggart, D.H. Polonis, Met. Sci. J. 5 (1971) 219–223.","status":"resolved","year":"1971"}],"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":20.212,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-WGQCPYT4L5","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1179/030634571790439487","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"Fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r22#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":"Fcc + NbNi3 -> NbNi8","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":808.15,"temperature_printed":"535","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","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":0.005},"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":808.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"11","paper":"doi:10.1007/s10853-005-4553-4","reference":"H.L. Chen, Y. Du, H.H. Xu, Y. Liu, J.C. Schuster, J. Mater. Sci. 40 (2005) 6019–6022.","status":"resolved","year":"2005"}],"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":0.212,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-K75THPNOW7","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":23},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"Fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r23#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":"Fcc + NbNi3 -> NbNi8","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":788.15,"temperature_printed":"515","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","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":0.005},"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":788.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2004.09.004","first_author":"Joubert","kind":"assessment","label":"7","paper":"doi:10.1016/j.calphad.2004.09.004","reference":"J.M. Joubert, B. Sundman, N. Dupin, CALPHAD 28 (2004) 299–306.","status":"resolved","year":"2004"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":18.212,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-SDEG3BPTDQ","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":24},"model":"M75b71358","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2004.09.004","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"Fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r24#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":"Fcc + NbNi3 -> NbNi8","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":806.15,"temperature_printed":"533","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","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-11},"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":0.005},"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":806.15},{"chemical_system":"NB-NI","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":0.212,"dx":{},"model":"NbNi-06Che-orig.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":3,"id":"ORC-GCHYAK7CS3","locator":{"ref":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4","row":25},"model":"M65035837","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2006.02.005","paper_id":"doi:10.1016/j.calphad.2006.02.005","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"Fcc","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2006.02.005/p7/tab-4/r25#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":"Fcc + NbNi3 -> NbNi8","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":788.15,"temperature_printed":"515","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","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-11},"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":0.005},"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":788.15},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2006.02.005","first_author":"Chen","kind":"assessment","label":"17","paper":"doi:10.1016/j.calphad.2006.02.005","reference":"H. Chen, Y. Du, Refinement of the thermodynamic modeling of the Nb – Ni system, Calphad. 30 (2006) 308–315. https://doi.org/10.1016/j.calphad.2006.02.005.","status":"resolved","year":"2006"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":1.611,"dx":{"BCC":0.0022,"Liquid":-0.0215,"μ-Nb7Ni6":-0.0006},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-4RP74VSX7U","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":16},"model_unlinked_reason":"cited calculation matches several corpus TDBs (NbNi-06Che-orig.tdb, NbNi-06Che.tdb)","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.47},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.047},"composition_source":"printed","phase":"BCC"},{"basis":"mole_fraction","composition":{"NI":0.412},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r-unplaced-402fe1ce#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 + BCC ↔ μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1563,"temperature_printed":"1563","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":1563},{"chemical_system":"NB-NI","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":-0.332,"dx":{"FCC":-0.0,"Liquid":0.0005,"δ-NbNi3":-0.0003},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-APHKKE7VY2","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":1},"model":"Md5cba710","observation_type":"invariant_reaction","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.838},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.863},"composition_source":"printed","phase":"FCC"},{"basis":"mole_fraction","composition":{"NI":0.762},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r01#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 ↔ FCC + δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1550,"temperature_printed":"1550","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":1550},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2006.02.005","first_author":"Chen","kind":"assessment","label":"17","paper":"doi:10.1016/j.calphad.2006.02.005","reference":"H. Chen, Y. Du, Refinement of the thermodynamic modeling of the Nb – Ni system, Calphad. 30 (2006) 308–315. https://doi.org/10.1016/j.calphad.2006.02.005.","status":"resolved","year":"2006"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":6.668,"dx":{"FCC":0.01,"Liquid":0.0135,"δ-NbNi3":-0.0033},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-SQ437WS6FP","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":2},"model_unlinked_reason":"cited calculation matches several corpus TDBs (NbNi-06Che-orig.tdb, NbNi-06Che.tdb)","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.851},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.873},"composition_source":"printed","phase":"FCC"},{"basis":"mole_fraction","composition":{"NI":0.759},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ FCC + δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1557,"temperature_printed":"1557","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":1557},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"27","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, The equilibrium diagram of the system niobium-nickel, J. Less Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":4.668,"dx":{"FCC":0.01,"Liquid":0.0025,"δ-NbNi3":0.0117},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-JEZHJXTUKT","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.84},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.873},"composition_source":"printed","phase":"FCC"},{"basis":"mole_fraction","composition":{"NI":0.774},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r03#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 ↔ FCC + δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1555,"temperature_printed":"1555","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":1555},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"28","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, J.C. Schuster, Experimental investigation of the Nb-Ni phase 48 diagram, J. Mater. Sci. 40 (2005) 6019–6022. https://doi.org/10.1007/s10853-005-4553-4.","status":"resolved","year":"2005"}],"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":7.668,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-TXLSZ6GN3L","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ FCC + δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1558,"temperature_printed":"1558","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":1558},{"chemical_system":"NB-NI","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":1,"fold_lso":3,"id":"ORC-3VJ6PUDLXY","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":5},"model":"Md5cba710","observation_type":"phase_transition","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1675,"temperature_printed":"1675","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":0.005,"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":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":1675},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2006.02.005","first_author":"Chen","kind":"assessment","label":"17","paper":"doi:10.1016/j.calphad.2006.02.005","reference":"H. Chen, Y. Du, Refinement of the thermodynamic modeling of the Nb – Ni system, Calphad. 30 (2006) 308–315. https://doi.org/10.1016/j.calphad.2006.02.005.","status":"resolved","year":"2006"}],"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":1,"fold_lso":3,"id":"ORC-RMXE5IDFRT","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":6},"model_unlinked_reason":"cited calculation matches several corpus TDBs (NbNi-06Che-orig.tdb, NbNi-06Che.tdb)","observation_type":"phase_transition","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1672,"temperature_printed":"1672","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":0.005,"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":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":1672},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"27","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, The equilibrium diagram of the system niobium-nickel, J. Less Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":1,"fold_lso":3,"id":"ORC-XEGEKFKNCD","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":7},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"printed","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1675,"temperature_printed":"1675","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":0.011,"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":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":1675},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"experimental","label":"37","reference":"S.A. Pogodin, A.N. Selikmann, On the Phase Diagram of the System Nickel-Niobium, in: CR Acad. Sci. URSS, 1941: pp. 895–897.","status":"resolved","year":"1941"}],"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":1,"fold_lso":3,"id":"ORC-LT653MCK27","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":8},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:f06b417ce0545872","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r08#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 ↔ δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1676,"temperature_printed":"1676","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":0.011,"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":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":1676},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"28","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, J.C. Schuster, Experimental investigation of the Nb-Ni phase 48 diagram, J. Mater. Sci. 40 (2005) 6019–6022. https://doi.org/10.1007/s10853-005-4553-4.","status":"resolved","year":"2005"}],"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":1,"fold_lso":3,"id":"ORC-VWGEKXTLZM","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":9},"observation_type":"phase_transition","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"congruent_same_composition","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r09#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 ↔ δ-NbNi3","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":"NB-NI","system":"NB-NI","temperature_K":1677,"temperature_printed":"1677","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":0.011,"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":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":1677},{"chemical_system":"NB-NI","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":0.49,"dx":{"Liquid":0.0002,"δ-NbNi3":0.0001,"μ-Nb7Ni6":-0.0003},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-Y5FIORLKYJ","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":10},"model":"Md5cba710","observation_type":"invariant_reaction","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.601},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.728},"composition_source":"printed","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.516},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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":"Liquid ↔ δ-NbNi3 + μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1459,"temperature_printed":"1459","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":1459},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2006.02.005","first_author":"Chen","kind":"assessment","label":"17","paper":"doi:10.1016/j.calphad.2006.02.005","reference":"H. Chen, Y. Du, Refinement of the thermodynamic modeling of the Nb – Ni system, Calphad. 30 (2006) 308–315. https://doi.org/10.1016/j.calphad.2006.02.005.","status":"resolved","year":"2006"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":-1.51,"dx":{"Liquid":-0.0158,"δ-NbNi3":0.0071,"μ-Nb7Ni6":-0.0163},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-74HHO5HDPQ","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":11},"model_unlinked_reason":"cited calculation matches several corpus TDBs (NbNi-06Che-orig.tdb, NbNi-06Che.tdb)","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.585},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.735},"composition_source":"printed","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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 ↔ δ-NbNi3 + μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1457,"temperature_printed":"1457","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":1457},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"27","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, The equilibrium diagram of the system niobium-nickel, J. Less Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":-10.51,"dx":{"Liquid":-0.0058,"δ-NbNi3":-0.0029,"μ-Nb7Ni6":-0.0163},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-TZ2NK2AG5X","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.595},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.725},"composition_source":"printed","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r12#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 ↔ δ-NbNi3 + μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1448,"temperature_printed":"1448","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":1448},{"chemical_system":"NB-NI","cited_sources":[{"first_author":"Pogodin","kind":"experimental","label":"37","reference":"S.A. Pogodin, A.N. Selikmann, On the Phase Diagram of the System Nickel-Niobium, in: CR Acad. Sci. URSS, 1941: pp. 895–897.","status":"resolved","year":"1941"}],"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":-10.51,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-OXHYOUAFQ4","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:f06b417ce0545872","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.4615384615},"composition_source":"formula_nominal","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r13#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 ↔ δ-NbNi3 + μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1448,"temperature_printed":"1448","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":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":1448},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"28","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, J.C. Schuster, Experimental investigation of the Nb-Ni phase 48 diagram, J. Mater. Sci. 40 (2005) 6019–6022. https://doi.org/10.1007/s10853-005-4553-4.","status":"resolved","year":"2005"}],"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":-5.51,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-JLHOS2A4AS","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":14},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.4615384615},"composition_source":"formula_nominal","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r14#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 ↔ δ-NbNi3 + μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1453,"temperature_printed":"1453","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":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":1453},{"chemical_system":"NB-NI","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":-0.389,"dx":{"BCC":-0.0038,"Liquid":0.0005,"μ-Nb7Ni6":0.0004},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-5HGA6M3TOP","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":15},"model":"Md5cba710","observation_type":"invariant_reaction","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.492},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.041},"composition_source":"printed","phase":"BCC"},{"basis":"mole_fraction","composition":{"NI":0.413},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r15#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 + BCC ↔ μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1561,"temperature_printed":"1561","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":1561},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/0022-5088(66)90083-x","first_author":"Duerden","kind":"experimental","label":"27","paper":"doi:10.1016/0022-5088(66)90083-x","reference":"I.J. Duerden, W. Hume-Rothery, The equilibrium diagram of the system niobium-nickel, J. Less Common Met. 11 (1966) 381–387.","status":"resolved","year":"1966"}],"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":6.611,"dx":{"BCC":0.0002,"Liquid":0.0085,"μ-Nb7Ni6":0.0474},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-AUPHKDPRSU","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":17},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/0022-5088(66)90083-x","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.5},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"NI":0.045},"composition_source":"printed","phase":"BCC"},{"basis":"mole_fraction","composition":{"NI":0.46},"composition_source":"printed","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r17#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 + BCC ↔ μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1568,"temperature_printed":"1568","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":0.011,"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":1568},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"28","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, J.C. Schuster, Experimental investigation of the Nb-Ni phase 48 diagram, J. Mater. Sci. 40 (2005) 6019–6022. https://doi.org/10.1007/s10853-005-4553-4.","status":"resolved","year":"2005"}],"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":15.611,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"id":"ORC-AVRLYHFUO5","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.4615384615},"composition_source":"formula_nominal","phase":"μ-Nb7Ni6"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"μ-Nb7Ni6","mapping_confidence":"confirmed","model_phase":"MU_D85","pearson_symbol":"hR13","prototype":"Fe7W6","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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":"Liquid + BCC ↔ μ-Nb7Ni6","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":"NB-NI","system":"NB-NI","temperature_K":1577,"temperature_printed":"1577","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":0.011,"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":1577},{"chemical_system":"NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent_as_printed"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":0.301,"dx":{"FCC":0.0,"NbNi8":0.0001,"δ-NbNi3":-0.0001},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"reaction_liquid_count_inconsistent_as_printed","detail":"peritectic with 0 liquid phase(s); the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"ae741c9bcad22062cdf85f23df6acf37afe4b95301401074c0fa09a8c96fe196","page":34,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 7 Nb-Ni: 'Peritectic FCC + δ-NbNi3 ↔ NbNi8', Temperature (K) 800 This work, 788 Chen et al. [17], 808 Expt. [42], 788 Expt. [28]. No liquid.","verdict":"checked"}}],"id":"ORC-DYQDWA23PX","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":19},"model":"Md5cba710","observation_type":"invariant_reaction","origin":{"basis":"this_work+caption_names_calc_only","class":"model_value","measured_in":"doi:10.1016/j.calphad.2023.102563","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.9161},"composition_source":"printed","phase":"FCC"},{"basis":"mole_fraction","composition":{"NI":0.759},"composition_source":"printed","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.889},"composition_source":"printed","phase":"NbNi8"}],"phases":[{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/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":"FCC + δ-NbNi3 ↔ NbNi8","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":"NB-NI","system":"NB-NI","temperature_K":800,"temperature_printed":"800","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-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":0.5},"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":800},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1016/j.calphad.2006.02.005","first_author":"Chen","kind":"assessment","label":"17","paper":"doi:10.1016/j.calphad.2006.02.005","reference":"H. Chen, Y. Du, Refinement of the thermodynamic modeling of the Nb – Ni system, Calphad. 30 (2006) 308–315. https://doi.org/10.1016/j.calphad.2006.02.005.","status":"resolved","year":"2006"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent_as_printed"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-11.699,"dx":{"FCC":0.0319,"NbNi8":0.0001,"δ-NbNi3":-0.0011},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"reaction_liquid_count_inconsistent_as_printed","detail":"peritectic with 0 liquid phase(s); the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"ae741c9bcad22062cdf85f23df6acf37afe4b95301401074c0fa09a8c96fe196","page":34,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 7 Nb-Ni: 'Peritectic FCC + δ-NbNi3 ↔ NbNi8', Temperature (K) 800 This work, 788 Chen et al. [17], 808 Expt. [42], 788 Expt. [28]. No liquid.","verdict":"checked"}}],"id":"ORC-7V5IMWMZN6","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":20},"model_unlinked_reason":"cited calculation matches several corpus TDBs (NbNi-06Che-orig.tdb, NbNi-06Che.tdb)","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2006.02.005","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.948},"composition_source":"printed","phase":"FCC"},{"basis":"mole_fraction","composition":{"NI":0.758},"composition_source":"printed","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.889},"composition_source":"printed","phase":"NbNi8"}],"phases":[{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r20#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":"FCC + δ-NbNi3 ↔ NbNi8","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":"NB-NI","system":"NB-NI","temperature_K":788,"temperature_printed":"788","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":788},{"chemical_system":"NB-NI","cited_sources":[{"kind":"experimental","label":"42","reference":"C.J. van der Wekken, R. Taggart, D.H. Polonis, Short-Range Order and the Nucleation of LongRange Order in Ni-Rich Nickel-Niobium Alloys, Met. Sci. J. 5 (1971) 219–223.","status":"resolved","year":"1971"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent_as_printed"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":8.301,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"reaction_liquid_count_inconsistent_as_printed","detail":"peritectic with 0 liquid phase(s); the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"ae741c9bcad22062cdf85f23df6acf37afe4b95301401074c0fa09a8c96fe196","page":34,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 7 Nb-Ni: 'Peritectic FCC + δ-NbNi3 ↔ NbNi8', Temperature (K) 800 This work, 788 Chen et al. [17], 808 Expt. [42], 788 Expt. [28]. No liquid.","verdict":"checked"}}],"id":"ORC-TPSDOQZNVA","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":21},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"ref:d5d499d6dd1360b4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r21#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":"FCC + δ-NbNi3 ↔ NbNi8","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":"NB-NI","system":"NB-NI","temperature_K":808,"temperature_printed":"808","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":0.011,"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":808},{"chemical_system":"NB-NI","cited_sources":[{"doi":"10.1007/s10853-005-4553-4","first_author":"Chen","kind":"experimental","label":"28","paper":"doi:10.1007/s10853-005-4553-4","reference":"H. Chen, Y. Du, H. Xu, Y. Liu, J.C. Schuster, Experimental investigation of the Nb-Ni phase 48 diagram, J. Mater. Sci. 40 (2005) 6019–6022. https://doi.org/10.1007/s10853-005-4553-4.","status":"resolved","year":"2005"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"espei_ready_before_gates":true,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent_as_printed"],"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-11.699,"dx":{},"model":"NbNi-23Sun.tdb","result":"pass","tolerance":{"dT_K":25.0,"dx":0.05}},"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":3,"gate_failures":[{"code":"reaction_liquid_count_inconsistent_as_printed","detail":"peritectic with 0 liquid phase(s); the page prints it so","effect":"not_espei_ready","gate":"G6","visual_check":{"checked":"2026-10-24","image_sha256":"ae741c9bcad22062cdf85f23df6acf37afe4b95301401074c0fa09a8c96fe196","page":34,"pdf_sha256_prefix":"f6d9a1050ba94e6b","seen":"Table 7 Nb-Ni: 'Peritectic FCC + δ-NbNi3 ↔ NbNi8', Temperature (K) 800 This work, 788 Chen et al. [17], 808 Expt. [42], 788 Expt. [28]. No liquid.","verdict":"checked"}}],"id":"ORC-6EVNHL4YVY","locator":{"ref":"doi:10.1016/j.calphad.2023.102563/p34/tab-7","row":22},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1007/s10853-005-4553-4","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2023.102563","paper_id":"doi:10.1016/j.calphad.2023.102563","phase_compositions":[{"basis":"mole_fraction","composition":{"NI":0.75},"composition_source":"formula_nominal","phase":"δ-NbNi3"},{"basis":"mole_fraction","composition":{"NI":0.8888888889},"composition_source":"stoichiometry","phase":"NbNi8"}],"phases":[{"label":"FCC","mapping_confidence":"confirmed","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"δ-NbNi3","mapping_confidence":"confirmed","model_phase":"NBNI3_D0A","pearson_symbol":"oP8","prototype":"Cu3Ti","structure_basis":"mapped_model_phase"},{"label":"NbNi8","mapping_confidence":"confirmed","model_phase":"NBNI8"}],"pid":"doi:10.1016/j.calphad.2023.102563/p34/tab-7/r22#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":"FCC + δ-NbNi3 ↔ NbNi8","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":"NB-NI","system":"NB-NI","temperature_K":788,"temperature_printed":"788","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":0.011,"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":788},{"chemical_system":"NB-NI","citations_printed":["69Qui","71Wek","72Wek"],"cited_sources":[{"first_author":"Quist","kind":"unknown","label":"69Qui","reference":"W.E. Quist, C.J. Wekken, R. Taggart, and D.H. Polonis, Metall. Trans. AIME, 245(2), 345 (1969). 70Duv\" D.S. Duvall and M.J. Donachie, Jr., J. Inst. Met., 98 (June), 182 (1970). 70Wir A. Wicker,C. Alfibert, J. Oriole, and E. Bonnier, C.R. Acad. Sci., C, 271(4), 273 (1970) in French.","status":"resolved","year":"1970"},{"doi":"10.1179/030634571790439487","first_author":"Wekken","kind":"unknown","label":"71Wek","paper":"doi:10.1179/030634571790439487","reference":"C.J. Wekken, R. Taggart, and D.H. Polonis, Met. Sci. J., 5, 219 (1971).","status":"resolved","year":"1971"},{"first_author":"Wekken","kind":"unknown","label":"72Wek","reference":"C.J. Wekken,J.M. Larson, R. Taggart, and D.H. Polonis, J. Appl. Phys., 43(11 ), 4522 (1972). Journal of Phase Equilibria Vol. 17 No. 2 1996 99 S e c t i o n I: B a s i c a n d A p p l i e d R e s e a r c h 75A1i: Z.I. Ali-Zade, T.M. Panakhov, and A.I. lbragimov, Thermodin. Svoist. Metal. Splay., 56, 218 (1975).","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_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":3,"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-TQJOZJORDS","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/bf02665782/p2/text-01"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/bf02665782","paper_id":"doi:10.1007/bf02665782","pid":"doi:10.1007/bf02665782/p2/text-01/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":"Another intermediate phase, Ni8Nb, was suggested by [69Qui], [71Wek], and [72Wek]; it forms via a peritectoid reaction at 808 K between (Ni) and Ni3Nb.","quote_page":2,"reaction":{"printed":"(Ni) + Ni3Nb = Ni8Nb","type":"peritectoid"},"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":"NB-NI","system":"NB-NI","temperature_K":808.0,"temperature_printed":"808 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectoid","transition_kind_printed":"peritectoid","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":808.0},{"chemical_system":"NB-NI","citations_printed":["10"],"cited_sources":[{"kind":"unknown","label":"10","reference":"C.J. van der Wekken, R. Taggart, D.H. Polonis, Met. Sci. J. 5 (1971) 219–223.","status":"resolved","year":"1971"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"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":4,"fold_lso":3,"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-2FI4XLJDIR","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2004.09.004/p2/text-03"},"observation_type":"phase_transition","origin":{"class":"experimental","measured_in":"ref:db9238b061cef03a","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2004.09.004","paper_id":"doi:10.1016/j.calphad.2004.09.004","pid":"doi:10.1016/j.calphad.2004.09.004/p2/text-03/s06#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":"In a second paper by van der Wekken et al. [10], it was demonstrated that it forms by a first order transformation at the critical temperature 808 K.","quote_page":2,"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":"NB-NI","system":"NB-NI","temperature_K":808.0,"temperature_printed":"808 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":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":808.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"NB-NI"}