{"artifacts":{"doi:10.1016/j.calphad.2010.07.010/p3/tab-4":{"artifact":"table","caption":"Invariant reactions in the Mg–Nd system.","label":"4","page":3},"doi:10.1016/j.calphad.2010.07.010/p3/text-24":{"artifact":"text_passage","label":"page 3, passage 24","page":3},"doi:10.1016/j.jallcom.2004.09.040/p2/text-05":{"artifact":"text_passage","label":"page 2, passage 5","page":2},"doi:10.1016/j.jallcom.2004.09.040/p3/text-02":{"artifact":"text_passage","label":"page 3, passage 2","page":3},"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2":{"artifact":"table","caption":"Invariant reactions in the Mg–Nd system.","label":"2","page":5},"doi:10.1016/s1003-6326(07)60051-x/p2/text-03":{"artifact":"text_passage","label":"page 2, passage 3","page":2},"sha256:8a8b93ec1d27b76c/p4/tab-3":{"artifact":"table","caption":"Special points of Mg-Nd phase diagram","label":"3","page":4},"sha256:b90ef5b99b8b6662/p10/tab-6":{"artifact":"table","caption":"Experimental standard enthalpies of formation, D f H in kJ/mol atoms, of binary R-Mg phases, specified by their crystal structure. More reliable values are marked bold.","label":"6","page":10}},"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":["MG","ND"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M49466c96":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-11Qi.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Alloys Compd., 509, 3274-81(2011).","model_doi":"10.1016/j.jallcom.2010.07.056","reproduced_by_calculation":true,"tdb":"MgNd-11Qi.tdb","tdb_path":"databases/sgte-binary/MgNd-11Qi.tdb","tdb_sha256":"60cd25bc6483030fea580152619c02341534a0158d136cdc3fb856bfe435bb36"},"M4e7c8dcc":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-08Guo.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"cited_model_is_corpus_tdb","model_doi":"10.3139/146.101685","reproduced_by_calculation":false,"tdb":"MgNd-08Guo.tdb","tdb_path":"databases/sgte-binary/MgNd-08Guo.tdb","tdb_sha256":"cf2db92d7efdb61e874818bea701f9ba8c2cc2b3c4f2054c3ff80bb1444d4c4d"},"M52ba6fd6":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-10Niu.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"C. Niu, M. Liu, C. Li, Z. Du, C. Guo, Calphad, 34, 428-33(2010).","model_doi":"10.1016/j.calphad.2010.07.010","reproduced_by_calculation":false,"tdb":"MgNd-10Niu.tdb","tdb_path":"databases/sgte-binary/MgNd-10Niu.tdb","tdb_sha256":"875ad4d46a8d6b2bc4c7144abe0ed13b9b2723dcea82aae5455bcf57be2048af"},"M6a8103cd":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-07Men.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Trans. Nonferrous Met. Soc. China, 17, 77-81(2007).","reproduced_by_calculation":false,"tdb":"MgNd-07Men.tdb","tdb_path":"databases/sgte-binary/MgNd-07Men.tdb","tdb_sha256":"e6ae632117b973961202a6cbb00a9b945311212dcdb2486535a6d673b2ccb6af"},"M9d5985a2":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-11Qi.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Alloys Compd., 509, 3274-81(2011).","model_doi":"10.1016/j.jallcom.2010.07.056","reproduced_by_calculation":false,"tdb":"MgNd-11Qi.tdb","tdb_path":"databases/sgte-binary/MgNd-11Qi.tdb","tdb_sha256":"60cd25bc6483030fea580152619c02341534a0158d136cdc3fb856bfe435bb36"},"Ma63d0750":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-10Niu.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"C. Niu, M. Liu, C. Li, Z. Du, C. Guo, Calphad, 34, 428-33(2010).","model_doi":"10.1016/j.calphad.2010.07.010","reproduced_by_calculation":true,"tdb":"MgNd-10Niu.tdb","tdb_path":"databases/sgte-binary/MgNd-10Niu.tdb","tdb_sha256":"875ad4d46a8d6b2bc4c7144abe0ed13b9b2723dcea82aae5455bcf57be2048af"},"Mf22093fe":{"catalog_entry":{"license":"CC BY 4.0","name":"MgNd-07Men.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"Trans. Nonferrous Met. Soc. China, 17, 77-81(2007).","reproduced_by_calculation":true,"tdb":"MgNd-07Men.tdb","tdb_path":"databases/sgte-binary/MgNd-07Men.tdb","tdb_sha256":"e6ae632117b973961202a6cbb00a9b945311212dcdb2486535a6d673b2ccb6af"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1007/bf02645728":{"authors":["H Okamoto"],"citation":"H Okamoto, Mg-Nd (Magnesium-Neodymium), JPE 12, 249-250 (1991).","container":"JPE","doi":"10.1007/bf02645728","doi_url":"https://doi.org/10.1007/bf02645728","id":"doi:10.1007/bf02645728","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Mg-Nd (Magnesium-Neodymium)","year":1991},"doi:10.1007/bf02647045":{"authors":["J. E. Pahlman","J. F. Smith"],"citation":"J. E. Pahlman, J. F. Smith, Thermodynamics of formation of compounds in the Ce-Mg, Nd-Mg, Gd-Mg, Dy-Mg, Er-Mg, and Lu-Mg binary systems in the temperature range 650°to 930°K, Metall Trans 3, 2423-2432 (1972).","container":"Metall Trans","doi":"10.1007/bf02647045","doi_url":"https://doi.org/10.1007/bf02647045","id":"doi:10.1007/bf02647045","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Thermodynamics of formation of compounds in the Ce-Mg, Nd-Mg, Gd-Mg, Dy-Mg, Er-Mg, and Lu-Mg binary systems in the temperature range 650°to 930°K","year":1972},"doi:10.1007/bf02647869":{"authors":["S. Delfino","A. Saccone","R. Ferro"],"citation":"S. Delfino, A. Saccone, R. Ferro, Phase relationships in the neodymium-magnesium alloy system, Metall Trans A 21, 2109-2114 (1990).","container":"Metall Trans A","doi":"10.1007/bf02647869","doi_url":"https://doi.org/10.1007/bf02647869","id":"doi:10.1007/bf02647869","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Phase relationships in the neodymium-magnesium alloy system","year":1990},"doi:10.1016/j.calphad.2010.07.010":{"authors":["Chunju Niu","Miao Liu","Changrong Li","Zhenmin Du","Cuiping Guo"],"citation":"Chunju Niu, Miao Liu, Changrong Li, Zhenmin Du, Cuiping Guo, Thermodynamic description on the miscibility gap of the Mg-based solid solution in the Mg–Zn, Mg–Nd and Mg–Zn–Nd systems, Calphad 34, 428-433 (2010).","container":"Calphad","doi":"10.1016/j.calphad.2010.07.010","doi_url":"https://doi.org/10.1016/j.calphad.2010.07.010","id":"doi:10.1016/j.calphad.2010.07.010","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"5ba89b0b6a9cb481","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic description on the miscibility gap of the Mg-based solid solution in the Mg–Zn, Mg–Nd and Mg–Zn–Nd systems","year":2010},"doi:10.1016/j.jallcom.2004.09.040":{"authors":["S. Gorsse","C.R. Hutchinson","B. Chevalier","J.-F. Nie"],"citation":"S. Gorsse, C.R. Hutchinson, B. Chevalier, J.-F. Nie, A thermodynamic assessment of the Mg–Nd binary system using random solution and associate models for the liquid phase, Journal of Alloys and Compounds 392, 253-262 (2005).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2004.09.040","doi_url":"https://doi.org/10.1016/j.jallcom.2004.09.040","id":"doi:10.1016/j.jallcom.2004.09.040","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"e7185e33ed827fa9","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"A thermodynamic assessment of the Mg–Nd binary system using random solution and associate models for the liquid phase","year":2005},"doi:10.1016/j.jallcom.2010.07.056":{"authors":["H.Y. Qi","G.X. Huang","H. Bo","G.L. Xu","L.B. Liu","Z.P. Jin"],"citation":"H.Y. Qi, G.X. Huang, H. Bo, G.L. Xu, L.B. Liu, Z.P. Jin, Thermodynamic description of the Mg–Nd–Zn ternary system, Journal of Alloys and Compounds 509, 3274-3281 (2011).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2010.07.056","doi_url":"https://doi.org/10.1016/j.jallcom.2010.07.056","id":"doi:10.1016/j.jallcom.2010.07.056","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"d41e6a62fab2cc03","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic description of the Mg–Nd–Zn ternary system","year":2011},"doi:10.1016/j.jallcom.2013.07.042":{"authors":["M. Hampl","C. Blawert","M.R. Silva Campos","N. Hort","Q. Peng","K.U. Kainer","R. Schmid-Fetzer"],"citation":"M. Hampl, C. Blawert, M.R. Silva Campos, N. Hort, Q. Peng, K.U. Kainer et al., Thermodynamic assessment and experimental study of Mg–Gd alloys, Journal of Alloys and Compounds 581, 166-177 (2013).","container":"Journal of Alloys and Compounds","doi":"10.1016/j.jallcom.2013.07.042","doi_url":"https://doi.org/10.1016/j.jallcom.2013.07.042","id":"doi:10.1016/j.jallcom.2013.07.042","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"b90ef5b99b8b6662","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic assessment and experimental study of Mg–Gd alloys","year":2013},"doi:10.1016/s1003-6326(07)60051-x":{"authors":["Fan-gui MENG","Hua-shan LIU","Li-bin LIU","Zhan-peng JIN"],"citation":"Fan-gui MENG, Hua-shan LIU, Li-bin LIU, Zhan-peng JIN, Thermodynamic optimization of Mg-Nd system, Transactions of Nonferrous Metals Society of China 17, 77-81 (2007).","container":"Transactions of Nonferrous Metals Society of China","doi":"10.1016/s1003-6326(07)60051-x","doi_url":"https://doi.org/10.1016/s1003-6326(07)60051-x","id":"doi:10.1016/s1003-6326(07)60051-x","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"8a8b93ec1d27b76c","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic optimization of Mg-Nd system","year":2007},"doi:10.3139/146.101685":{"authors":["Cuiping Guo","Zhenmin Du","Changrong Li"],"citation":"Cuiping Guo, Zhenmin Du, Changrong Li, Thermodynamic description of the Ce-Mg-Y and Mg-Nd-Y systems, International Journal of Materials Research 99, 650-688 (2008).","container":"International Journal of Materials Research","doi":"10.3139/146.101685","doi_url":"https://doi.org/10.3139/146.101685","id":"doi:10.3139/146.101685","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Thermodynamic description of the Ce-Mg-Y and Mg-Nd-Y systems","year":2008},"unresolved:source:file:8a8b93ec1d27b76c#8":{"citation":"reference [8] of source:file:8a8b93ec1d27b76c (no printed entry could be read)","id":"unresolved:source:file:8a8b93ec1d27b76c#8","kind":"unresolved_citation","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["unresolved_citation"]}},"part":1,"parts":1,"records":[{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1967Ogr","status":"unresolved"},{"first_author":"Ogren","kind":"unknown","label":"5","reference":"J.R. Ogren, N.J. Magnani, J.F. Smith, Trans. Am. Inst. Min. Metall. Pet. Eng. Soc. Min. Eng. AIME 239 (1967) 766–771.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"generic_label_with_row_element","label":"RMg","max_deviation":0.5},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"generic_label_with_row_element","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"phases":["RMg"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree"],"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) NdMg","effect":"not_espei_ready","gate":"G7"}],"id":"ORC-T3GNPP5ZB7.5a1d8f","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":11},"method":"Vapor press.","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":{"MG":0.5,"ND":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"RMg"}],"pid":"sha256:b90ef5b99b8b6662/p10/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.495},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-9.9,"value_printed":-9.9,"value_stored":-9900.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1967Ogr","status":"unresolved"},{"first_author":"Ogren","kind":"unknown","label":"5","reference":"J.R. Ogren, N.J. Magnani, J.F. Smith, Trans. Am. Inst. Min. Metall. Pet. Eng. Soc. Min. Eng. AIME 239 (1967) 766–771.","status":"resolved","year":"1967"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"printed_formula","label":"NdMg","max_deviation":0.5},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"overall_composition_all_elements","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"phases":["NdMg"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree"],"review_state":"extracted","row_state":"awaiting_reader","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) RMg","effect":"not_espei_ready","gate":"G7"}],"id":"ORC-T3GNPP5ZB7.8f6fe9","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":11},"method":"Vapor press.","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":{"MG":0.5,"ND":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"NdMg"}],"pid":"sha256:b90ef5b99b8b6662/p10/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.495},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-9.9,"value_printed":-9.9,"value_stored":-9900.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1972Pah","status":"unresolved"},{"doi":"10.1007/bf02647045","first_author":"Pahlman","kind":"unknown","label":"6","paper":"doi:10.1007/bf02647045","reference":"J.E. Pahlman, J.F. Smith, Metall. Trans. 3 (9) (1972) 2423–2432.","status":"resolved","year":"1972"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"generic_label_with_row_element","label":"RMg","max_deviation":0.5},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"generic_label_with_row_element","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.5,"ND":0.5,"PR":0.0,"SM":0.0},"phases":["RMg"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5YOIRE2JA4.16c528","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":12},"method":"Vapor press.","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":{"MG":0.5,"ND":0.5},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"RMg"}],"pid":"sha256:b90ef5b99b8b6662/p10/tab-6/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.695},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-13.9,"value_printed":-13.9,"value_stored":-13900.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1972Pah","status":"unresolved"},{"doi":"10.1007/bf02647045","first_author":"Pahlman","kind":"unknown","label":"6","paper":"doi:10.1007/bf02647045","reference":"J.E. Pahlman, J.F. Smith, Metall. Trans. 3 (9) (1972) 2423–2432.","status":"resolved","year":"1972"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.666667,"ND":0.333333,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"generic_label_with_row_element","label":"RMg2","max_deviation":0.6667},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"generic_label_with_row_element","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.666667,"ND":0.333333,"PR":0.0,"SM":0.0},"phases":["RMg2"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree"],"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) RMg3","effect":"not_espei_ready","gate":"G7"}],"id":"ORC-5YOIRE2JA4.58f019","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":12},"method":"Vapor press.","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":{"MG":0.666667,"ND":0.333333},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"RMg2"}],"pid":"sha256:b90ef5b99b8b6662/p10/tab-6/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.935},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-18.7,"value_printed":-18.7,"value_stored":-18700.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1972Pah","status":"unresolved"},{"doi":"10.1007/bf02647045","first_author":"Pahlman","kind":"unknown","label":"6","paper":"doi:10.1007/bf02647045","reference":"J.E. Pahlman, J.F. Smith, Metall. Trans. 3 (9) (1972) 2423–2432.","status":"resolved","year":"1972"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.75,"ND":0.25,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"generic_label_with_row_element","label":"RMg3","max_deviation":0.75},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"generic_label_with_row_element","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.75,"ND":0.25,"PR":0.0,"SM":0.0},"phases":["RMg3"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["phase_label_readings_disagree"],"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"gate_failures":[{"code":"phase_label_readings_disagree","detail":"the same printed value is also stored with phase(s) RMg2","effect":"not_espei_ready","gate":"G7"}],"id":"ORC-5YOIRE2JA4.5b4186","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":12},"method":"Vapor press.","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":{"MG":0.75,"ND":0.25},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"RMg3"}],"pid":"sha256:b90ef5b99b8b6662/p10/tab-6/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.935},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-18.7,"value_printed":-18.7,"value_stored":-18700.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"1972Pah","status":"unresolved"},{"doi":"10.1007/bf02647045","first_author":"Pahlman","kind":"unknown","label":"6","paper":"doi:10.1007/bf02647045","reference":"J.E. Pahlman, J.F. Smith, Metall. Trans. 3 (9) (1972) 2423–2432.","status":"resolved","year":"1972"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":{"GD":0.0,"LA":0.0,"MG":0.891304,"ND":0.108696,"PR":0.0,"SM":0.0},"before":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"evidence":{"basis":"generic_label_with_row_element","label":"R5Mg41","max_deviation":0.8913},"field":"overall_composition","gate":"A1","rule":"overall_composition_from_printed_formula"},{"after":"MG-ND","before":"CE-GD-LA-MG-ND-PR-SM","evidence":{"basis":"generic_label_with_row_element","overall_composition":{"GD":0.0,"LA":0.0,"MG":0.891304,"ND":0.108696,"PR":0.0,"SM":0.0},"phases":["R5Mg41"]},"field":"system","gate":"A1","rule":"system_of_the_state"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["reference-dependent quantity without a resolved reference state","state:reference_state"],"state_fully_specified":false,"system_is_state_subsystem":true},"fold_lpo":2,"fold_lso":1,"id":"ORC-5YOIRE2JA4.ee1a1b","locator":{"ref":"sha256:b90ef5b99b8b6662/p10/tab-6","row":12},"method":"Vapor press.","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":{"MG":0.891304,"ND":0.108696},"overall_composition_basis":"from_formula","overall_composition_stored":{"GD":0.0,"LA":0.0,"MG":0.0,"ND":1.0,"PR":0.0,"SM":0.0},"paper":"doi:10.1016/j.jallcom.2013.07.042","paper_id":"doi:10.1016/j.jallcom.2013.07.042","phases":[{"label":"R5Mg41"}],"pid":"sha256:b90ef5b99b8b6662/p10/tab-6/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":"ΔfH","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["gemini-3.1-pro-preview","gemini-3.8-flash","text_layer"],"record_kind":"general_table","reference_state":{"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"}},"reference_state_stored":{"CE":{"phase":"printed:none"},"GD":{"phase":"printed:none"},"LA":{"phase":"printed:none"},"MG":{"phase":"printed:none"},"ND":{"phase":"printed:none"},"PR":{"phase":"printed:none"},"SM":{"phase":"printed:none"}},"source_system":"CE-GD-LA-MG-ND-PR-SM","system":"MG-ND","temperature_K":298.15,"temperature_basis":"assumed_standard_298K","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"stated_default","note":"5% default","value":0.9},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.2,"sigma_method":{"basis":"calibrated","ci95":[1.153192,7.653003],"class":"kems_vapour","entry":"value_types/HM_FORM/classes/kems_vapour","floor":4.2,"floor_unit":"kJ/mol-atom","n_pairs":20,"value":4.2},"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":"printed_unit","unit_printed":"kJ/mol atoms","unit_stored":"J/mol-atom","value":-18.0,"value_printed":-18.0,"value_stored":-18000.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"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":1,"id":"ORC-UDK6VWISIJ","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":14},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.82},"composition_source":"printed","phase":"bcc_A2"},{"basis":"mole_fraction","composition":{"ND":0.5},"composition_source":"printed","phase":"bcc_B2"},{"basis":"mole_fraction","composition":{"ND":0.926},"composition_source":"printed","phase":"dhcp"}],"phases":[{"label":"bcc_A2"},{"label":"bcc_B2"},{"label":"dhcp"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-1a615d23#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":"bcc_A2 → bcc_B2 + dhcp"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":818.0,"temperature_printed":"818.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":818.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":1,"id":"ORC-PWAXXV2DOB","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":8},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.483},"composition_source":"printed","phase":"bcc_B2"}],"phases":[{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"bcc_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-44ca7aa0#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":"Mg2Nd → Mg3Nd + bcc_B2"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":933.2,"temperature_printed":"933.2","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":933.2},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"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":0.005,"dx":{"Liquid":0.0002,"Mg3Nd":0.0002,"Mg41Nd5":0.0003},"model":"MgNd-10Niu.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":1,"id":"ORC-LTAQHTMRDI","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":10},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.082},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.195},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-4e97a65b#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 + Mg3Nd → Mg41Nd5"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":833.0,"temperature_printed":"833.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":833.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"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":1,"id":"ORC-UNKEQSGKSI","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":2},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.605},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.496},"composition_source":"printed","phase":"bcc_B2"},{"basis":"mole_fraction","composition":{"ND":0.654},"composition_source":"printed","phase":"bcc_A2"}],"phases":[{"label":"Liquid"},{"label":"bcc_B2"},{"label":"bcc_A2"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-760947d7#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_B2 + bcc_A2","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"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":1053.5,"temperature_printed":"1053.5","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1053.5},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":1,"id":"ORC-KYMQILUGHM","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":6},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.353},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.477},"composition_source":"printed","phase":"bcc_B2"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"bcc_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-8ccc659d#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 → Mg2Nd + bcc_B2","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"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":1022.7,"temperature_printed":"1022.7","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1022.7},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"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":0.014,"dx":{"Liquid":-0.0001,"Mg2Nd":-0.0003,"Mg3Nd":-0.0003},"model":"MgNd-10Niu.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":1,"id":"ORC-VARAJ2E5DO","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":4},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.335},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.249},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-cc103ba6#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 + Mg3Nd → Mg2Nd"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":1024.1,"temperature_printed":"1024.1","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1024.1},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.3139/146.101685","first_author":"Guo","kind":"assessment","label":"15","paper":"doi:10.3139/146.101685","reference":"C.P. Guo, Z.M. Du, C.R. Li, International Journal of Materials Research 99 (2008) 650–668.","status":"resolved","year":"2008"}],"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":0.556,"dx":{"Liquid":-0.0001,"Mg41Nd5":0.0003,"hcp_A3":0.0019},"model":"MgNd-10Niu.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":1,"id":"ORC-VV3GLPJ4GS","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":12},"model":"M4e7c8dcc","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.3139/146.101685","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.065},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.002},"composition_source":"printed","phase":"hcp_A3"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"hcp_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r-unplaced-fca20b47#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 → hcp_A3 + Mg41Nd5","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"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":818.0,"temperature_printed":"818.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":818.0},{"chemical_system":"MG-ND","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":1,"id":"ORC-NNKSSRBFTW","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":1},"model":"M52ba6fd6","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.605},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.496},"composition_source":"printed","phase":"bcc_B2"},{"basis":"mole_fraction","composition":{"ND":0.654},"composition_source":"printed","phase":"bcc_A2"}],"phases":[{"label":"Liquid"},{"label":"bcc_B2"},{"label":"bcc_A2"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/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":"Liquid → bcc_B2 + bcc_A2","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":"MG-ND","system":"MG-ND","temperature_K":1053.6,"temperature_printed":"1053.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1053.6},{"chemical_system":"MG-ND","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":0.014,"dx":{"Liquid":-0.0001,"Mg2Nd":-0.0003,"Mg3Nd":-0.0003},"model":"MgNd-10Niu.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":1,"id":"ORC-7GUDNF6D3G","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":3},"model":"Ma63d0750","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.335},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.249},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/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":"Liquid + Mg3Nd → Mg2Nd"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":1024.1,"temperature_printed":"1024.1","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1024.1},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":1,"id":"ORC-4SGKNIRVUL","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":5},"model":"M52ba6fd6","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.353},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.477},"composition_source":"printed","phase":"bcc_B2"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"bcc_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/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":"Liquid → Mg2Nd + bcc_B2","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":"MG-ND","system":"MG-ND","temperature_K":1022.7,"temperature_printed":"1022.7","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1022.7},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"bcc_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":0,"fold_lso":1,"id":"ORC-W7P7TUYYZG","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":7},"model":"M52ba6fd6","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.483},"composition_source":"printed","phase":"bcc_B2"}],"phases":[{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"bcc_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/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":"Mg2Nd → Mg3Nd + bcc_B2"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":933.2,"temperature_printed":"933.2","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":933.2},{"chemical_system":"MG-ND","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":0.005,"dx":{"Liquid":0.0002,"Mg3Nd":0.0002,"Mg41Nd5":0.0003},"model":"MgNd-10Niu.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":1,"id":"ORC-MMJ267WUP2","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":9},"model":"Ma63d0750","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.082},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.195},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/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":"Liquid + Mg3Nd → Mg41Nd5"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":833.0,"temperature_printed":"833.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":833.0},{"chemical_system":"MG-ND","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":-0.044,"dx":{"Liquid":-0.0001,"Mg41Nd5":0.0003},"model":"MgNd-10Niu.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":1,"id":"ORC-CZO7PNHLRQ","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":11},"model":"Ma63d0750","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.065},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction","composition":{"ND":0.0},"composition_source":"printed","phase":"hcp_A3"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"hcp_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r06#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 → hcp_A3 + Mg41Nd5","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":"MG-ND","system":"MG-ND","temperature_K":817.4,"temperature_printed":"817.4","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":817.4},{"chemical_system":"MG-ND","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":1,"id":"ORC-OOD4INULXR","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4","row":13},"model":"M52ba6fd6","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.82},"composition_source":"printed","phase":"bcc_A2"},{"basis":"mole_fraction","composition":{"ND":0.5},"composition_source":"printed","phase":"bcc_B2"},{"basis":"mole_fraction","composition":{"ND":0.926},"composition_source":"printed","phase":"dhcp"}],"phases":[{"label":"bcc_A2"},{"label":"bcc_B2"},{"label":"dhcp"}],"pid":"doi:10.1016/j.calphad.2010.07.010/p3/tab-4/r07#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":"bcc_A2 → bcc_B2 + dhcp"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":818.0,"temperature_printed":"818.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":818.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-77J5HM3DZT","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":1},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.575},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.66},"composition_source":"printed","phase":"BCC_A2"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"BCC_A2","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> MgNd(B2) + BCC_A2","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":"MG-ND","system":"MG-ND","temperature_K":1048.0,"temperature_printed":"1048","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":0.05},"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":1048.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-NF5LBGJVH3","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":2},"model":"M9d5985a2","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.615},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.5},"composition_source":"printed","phase":"B2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.674},"composition_source":"printed","phase":"BCC_A2"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"BCC_A2","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> MgNd(B2) + BCC_A2","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":"MG-ND","system":"MG-ND","temperature_K":1045.0,"temperature_printed":"1045","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1045.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-7PAFNEBQ4F","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction","composition":{"MG":0.75,"ND":0.25},"composition_source":"formula_nominal","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"MG":0.666667,"ND":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Mg2Nd"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 + Mg3Nd -> Mg2Nd"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":1023.0,"temperature_printed":">1023","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":0.05},"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":1023.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-CQFWBD25FH","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":4},"model":"M49466c96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.347},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 + Mg3Nd -> Mg2Nd"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":1023.0,"temperature_printed":"1023","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1023.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-NG7667GVCO","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.355},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.666667,"ND":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Mg2Nd"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> Mg2Nd + MgNd(B2)","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":"MG-ND","system":"MG-ND","temperature_K":1023.0,"temperature_printed":"1023","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":0.05},"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":1023.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-EOLNKVLKNG","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":6},"model":"M49466c96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.358},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.451},"composition_source":"printed","phase":"B2"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> Mg2Nd + MgNd(B2)","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":"MG-ND","system":"MG-ND","temperature_K":1022.0,"temperature_printed":"1022","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1022.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-WUA3RGXB3E","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":7},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction","composition":{"MG":0.75,"ND":0.25},"composition_source":"formula_nominal","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"MG":0.666667,"ND":0.333333},"composition_source":"stoichiometric_model_phase","phase":"Mg2Nd"}],"phases":[{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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":"Mg2Nd -> Mg3Nd + MgNd(B2)"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":933.0,"temperature_printed":"933","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":0.05},"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":933.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-SGRAHBNVWT","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":8},"model":"M9d5985a2","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.481},"composition_source":"printed","phase":"B2"}],"phases":[{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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":"Mg2Nd -> Mg3Nd + MgNd(B2)"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":930.0,"temperature_printed":"930","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":930.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-QP3ZGJQ7FB","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.085},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.75,"ND":0.25},"composition_source":"formula_nominal","phase":"Mg3Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.891304,"ND":0.108696},"composition_source":"formula_nominal","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","model_phase":"MG41ND5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 + Mg3Nd -> Mg41Nd5"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":833.0,"temperature_printed":"833","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":0.05},"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":833.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-3YQQSYC5CP","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":10},"model":"M49466c96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.07},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.206},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.103},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg3Nd","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","model_phase":"MG41ND5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 + Mg3Nd -> Mg41Nd5"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":832.0,"temperature_printed":"832","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":832.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-ULQRGCSHRD","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.075},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.891304,"ND":0.108696},"composition_source":"formula_nominal","phase":"Mg41Nd5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.001},"composition_source":"printed","phase":"HCP_A3"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg41Nd5","model_phase":"MG41ND5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"},{"label":"HCP_A3","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> Mg41Nd5 + HCP_A3","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":"MG-ND","system":"MG-ND","temperature_K":818.0,"temperature_printed":"818","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":0.05},"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":818.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-LJMIVME6A7","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":12},"model":"M49466c96","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.062},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.102},"composition_source":"printed","phase":"Mg41Nd5"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.008},"composition_source":"printed","phase":"HCP_A3"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"Mg41Nd5","model_phase":"MG41ND5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"},{"label":"HCP_A3","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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 -> Mg41Nd5 + HCP_A3","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":"MG-ND","system":"MG-ND","temperature_K":826.0,"temperature_printed":"826","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":826.0},{"chemical_system":"MG-ND","cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"17","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Metall. Trans. A 21 (1990) 2109–2114.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-TFJOW22BHL","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.83},"composition_source":"printed","phase":"BCC_A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.92},"composition_source":"printed","phase":"DHCP"}],"phases":[{"label":"BCC_A2","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"DHCP","model_phase":"DHCP","pearson_symbol":"hP4","prototype":"alpha-La","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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":"BCC_A2 -> MgNd(B2) + DHCP"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":818.0,"temperature_printed":"818","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":818.0},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":3,"fold_lso":1,"id":"ORC-HKLFKUI2SG","locator":{"ref":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2","row":14},"model":"M9d5985a2","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.jallcom.2010.07.056","own_work_of_paper":true},"paper":"doi:10.1016/j.jallcom.2010.07.056","paper_id":"doi:10.1016/j.jallcom.2010.07.056","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.821},"composition_source":"printed","phase":"BCC_A2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.503},"composition_source":"printed","phase":"B2"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"ND":0.911},"composition_source":"printed","phase":"DHCP"}],"phases":[{"label":"BCC_A2","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"B2","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"},{"label":"DHCP","model_phase":"DHCP","pearson_symbol":"hP4","prototype":"alpha-La","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.jallcom.2010.07.056/p5/tab-2/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":"BCC_A2 -> MgNd(B2) + DHCP"},"reader_agreement":"multi_reader","reader_agreement_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":"MG-ND","system":"MG-ND","temperature_K":816.0,"temperature_printed":"816","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":816.0},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-GCG7O2Y3AO","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":6},"observation_type":"phase_transition","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC_B2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-04a08db4#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 -> BCC_B2","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":"MG-ND","system":"MG-ND","temperature_K":1073,"temperature_printed":"1 073","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1073},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-4.014,"dx":{"HCP_A3":-0.0002,"L":0.0119},"model":"MgNd-07Men.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":1,"id":"ORC-ES72MNOKQA","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":18},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.075},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.001},"composition_source":"printed","phase":"HCP_A3"},{"basis":"mole_fraction","composition":{"ND":0.1086956522},"composition_source":"stoichiometry","phase":"Mg41Nd5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"HCP_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-05aaa407#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 -> HCP_A3+Mg41Nd5","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":"MG-ND","system":"MG-ND","temperature_K":818,"temperature_printed":"818","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-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":818},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-OTXTL23YWA","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":14},"observation_type":"phase_transition","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"stoichiometry","phase":"Mg3Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-10b0465c#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 -> Mg3Nd","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":"MG-ND","system":"MG-ND","temperature_K":1053,"temperature_printed":"1 053","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1053},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-GVQ2QYW5AT","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":2},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.575},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.66},"composition_source":"printed","phase":"BCC_A2"}],"phases":[{"label":"L"},{"label":"BCC_A2"},{"label":"BCC_B2"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-215f0bae#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_A2+BCC_B2","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":"MG-ND","system":"MG-ND","temperature_K":1048,"temperature_printed":"1 048","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":1048},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-OG6ZOD5BER","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":8},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.355},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.3333333333},"composition_source":"stoichiometry","phase":"Mg2Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC_B2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-543a9482#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_B2+Mg2Nd","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":"MG-ND","system":"MG-ND","temperature_K":1023,"temperature_printed":"1 023","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-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":1023},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-5LHHCLPIA7","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":12},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.3333333333},"composition_source":"stoichiometry","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"stoichiometry","phase":"Mg3Nd"}],"phases":[{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"BCC_B2","mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-8fc63b08#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":"Mg2Nd -> BCC_B2+Mg3Nd","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":933,"temperature_printed":"933","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-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":933},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"agrees","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"plausibility":{"calculation":"pycalphad binary topology (computed invariant)","dT_K":-0.27,"dx":{"L":0.0019},"model":"MgNd-07Men.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":1,"id":"ORC-AM4TN2V5UY","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":16},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.085},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"stoichiometry","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.1086956522},"composition_source":"stoichiometry","phase":"Mg41Nd5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-dc2331d9#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+Mg3Nd -> Mg41Nd5","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":"MG-ND","system":"MG-ND","temperature_K":833,"temperature_printed":"833","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-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":833},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-JALL7V3RXO","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":4},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.83},"composition_source":"printed","phase":"BCC_A2"},{"basis":"mole_fraction","composition":{"ND":0.92},"composition_source":"printed","phase":"dHCP"}],"phases":[{"label":"BCC_A2"},{"label":"dHCP"},{"label":"BCC_B2"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-eb22f3ae#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":"BCC_A2 -> dHCP+BCC_B2","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":818,"temperature_printed":"818","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":818},{"chemical_system":"MG-ND","cited_sources":[{"kind":"unknown","label":"8","status":"unresolved"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-NIL3RGETON","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":10},"observation_type":"invariant_reaction","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"unresolved:source:file:8a8b93ec1d27b76c#8","measured_in_basis":"cited_work","own_work_of_paper":false},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"stoichiometry","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.3333333333},"composition_source":"stoichiometry","phase":"Mg2Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r-unplaced-fcf7064d#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+Mg3Nd -> Mg2Nd","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":"MG-ND","system":"MG-ND","temperature_K":1023,"temperature_bound":{"op":">","value_K":1023},"temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-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":1023},{"chemical_system":"MG-ND","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":1,"id":"ORC-7FGLSSHDWI","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":1},"model":"M6a8103cd","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.614},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.699},"composition_source":"printed","phase":"BCC_A2"},{"basis":"mole_fraction","composition":{"ND":0.535},"composition_source":"printed","phase":"BCC_B2"}],"phases":[{"label":"L"},{"label":"BCC_A2"},{"label":"BCC_B2"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/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 -> BCC_A2+BCC_B2","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":"MG-ND","system":"MG-ND","temperature_K":1054,"temperature_printed":"1 054","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":1054},{"chemical_system":"MG-ND","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":1,"id":"ORC-WFAYYGITKJ","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":3},"model":"M6a8103cd","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.818},"composition_source":"printed","phase":"BCC_A2"},{"basis":"mole_fraction","composition":{"ND":0.949},"composition_source":"printed","phase":"dHCP"},{"basis":"mole_fraction","composition":{"ND":0.584},"composition_source":"printed","phase":"BCC_B2"}],"phases":[{"label":"BCC_A2"},{"label":"dHCP"},{"label":"BCC_B2"}],"pid":"sha256:8a8b93ec1d27b76c/p4/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":"BCC_A2 -> dHCP+BCC_B2","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":817,"temperature_printed":"817","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":817},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"BCC_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-I3RJX6XVUR","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":5},"model":"Mf22093fe","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.512},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.512},"composition_source":"printed","phase":"BCC_B2"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r03#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 -> BCC_B2","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":"MG-ND","system":"MG-ND","temperature_K":1075,"temperature_printed":"1 075","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"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":1075},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"BCC_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-SV4VZ4RIZZ","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":7},"model":"M6a8103cd","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.382},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.499},"composition_source":"printed","phase":"BCC_B2"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"BCC_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/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":"L -> BCC_B2+Mg2Nd","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":"MG-ND","system":"MG-ND","temperature_K":1016,"temperature_printed":"1 016","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":1016},{"chemical_system":"MG-ND","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":-0.305,"dx":{"L":-0.0,"Mg2Nd":-0.0003,"Mg3Nd":0.0},"model":"MgNd-07Men.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":1,"id":"ORC-ZOGQE5M4GD","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":9},"model":"Mf22093fe","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.334},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/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":"L+Mg3Nd -> Mg2Nd","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":"MG-ND","system":"MG-ND","temperature_K":1028,"temperature_printed":"1 028","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":1028},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":null,"before":"BCC_A2","evidence":{"label":"BCC_B2","release":"phase-label-check 2026-10-24 (audit round 2, A2 class 1)"},"field":"phases.model_phase","gate":"PL","rule":"composition_outside_model_phase_range"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":1,"fold_lso":1,"id":"ORC-YNOUPIWO46","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":11},"model":"M6a8103cd","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.333},"composition_source":"printed","phase":"Mg2Nd"},{"basis":"mole_fraction","composition":{"ND":0.5},"composition_source":"printed","phase":"BCC_B2"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"}],"phases":[{"label":"Mg2Nd","mapping_confidence":"confirmed","model_phase":"MG2M_C15","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"BCC_B2","model_phase_rejected":{"mapping_confidence":"confirmed","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","reason":"composition_outside_model_phase_range"}},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r06#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":"Mg2Nd -> BCC_B2+Mg3Nd","type":"eutectoid"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"MG-ND","system":"MG-ND","temperature_K":932,"temperature_printed":"932","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectoid","transition_kind_printed":"Eutectoid","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":932},{"chemical_system":"MG-ND","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":1,"id":"ORC-INVOSNHFF2","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":13},"model":"M6a8103cd","observation_type":"phase_transition","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"congruent_same_composition","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/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 -> Mg3Nd","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":"MG-ND","system":"MG-ND","temperature_K":1058,"temperature_printed":"1 058","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"congruent melting","transition_kind_printed":"Congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1058},{"chemical_system":"MG-ND","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":-0.27,"dx":{"L":-0.0001,"Mg3Nd":0.0,"Mg41Nd5":0.0003},"model":"MgNd-07Men.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":1,"id":"ORC-7XG7KYB2XU","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":15},"model":"Mf22093fe","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.083},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.25},"composition_source":"printed","phase":"Mg3Nd"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"Mg3Nd","mapping_confidence":"confirmed","model_phase":"MG3M_D03","pearson_symbol":"cF16","prototype":"BiF3","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r08#invariant","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L+Mg3Nd -> Mg41Nd5","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":"MG-ND","system":"MG-ND","temperature_K":833,"temperature_printed":"833","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"peritectic","transition_kind_printed":"Peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":833},{"chemical_system":"MG-ND","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":-0.014,"dx":{"HCP_A3":-0.0002,"L":-0.0001,"Mg41Nd5":0.0003},"model":"MgNd-07Men.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":1,"id":"ORC-33OW3BRFM2","locator":{"ref":"sha256:8a8b93ec1d27b76c/p4/tab-3","row":17},"model":"Mf22093fe","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/s1003-6326(07)60051-x","measured_in_basis":"reporting_paper_own_value","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","phase_compositions":[{"basis":"mole_fraction","composition":{"ND":0.063},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction","composition":{"ND":0.001},"composition_source":"printed","phase":"HCP_A3"},{"basis":"mole_fraction","composition":{"ND":0.109},"composition_source":"printed","phase":"Mg41Nd5"}],"phases":[{"label":"L","mapping_confidence":"confirmed","model_phase":"LIQUID"},{"label":"HCP_A3","mapping_confidence":"confirmed","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg41Nd5","mapping_confidence":"confirmed","model_phase":"MG41M5","pearson_symbol":"tI92","prototype":"Ce5Mg41","structure_basis":"mapped_model_phase"}],"pid":"sha256:8a8b93ec1d27b76c/p4/tab-3/r09#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 -> HCP_A3+Mg41Nd5","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":"MG-ND","system":"MG-ND","temperature_K":822,"temperature_printed":"822","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19p","transition_kind":"eutectic","transition_kind_printed":"Eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.5},"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":822},{"chemical_system":"MG-ND","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":0,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-NHMBBXE6BZ.e3f2a2","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2010.07.010/p3/text-24"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/j.calphad.2010.07.010","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2010.07.010","paper_id":"doi:10.1016/j.calphad.2010.07.010","pid":"doi:10.1016/j.calphad.2010.07.010/p3/text-24/s08#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The calculated critical temperatures of the miscibility gaps are 581.5 K for the Mg-Zn system and 790.6 K for the Mg-Nd system.","quote_page":3,"reaction":{"type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":790.6,"temperature_printed":"790.6 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"other","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":790.6},{"chemical_system":"MG-ND","citations_printed":["8","10"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"},{"doi":"10.1007/bf02645728","first_author":"Okamoto","kind":"assessment","label":"10","paper":"doi:10.1007/bf02645728","reference":"H. Okamoto, J. Phase Equilib. 12 (2) (1991) 249.","status":"resolved","year":"1991"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-BRXYQENX5G.ad1c5b","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p2/text-05"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p2/text-05/s18#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":"It decomposes peritectically at 560 ◦ C into the liquid and Mg3 Nd phases and is also involved in an eutectic reaction with the Mg-rich terminal solid solution and the liquid phase at 545 ◦ C (92.5 at.% Mg) [8,10].","quote_page":2,"reaction":{"printed":"Mg41Nd5 -> Liquid + Mg3Nd","type":"peritectic"},"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":"MG-ND","system":"MG-ND","temperature_K":833.15,"temperature_printed":"560 C","tool_release":"release v2 + tools dev copy record build","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":833.15},{"chemical_system":"MG-ND","citations_printed":["8","10"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"},{"doi":"10.1007/bf02645728","first_author":"Okamoto","kind":"assessment","label":"10","paper":"doi:10.1007/bf02645728","reference":"H. Okamoto, J. Phase Equilib. 12 (2) (1991) 249.","status":"resolved","year":"1991"}],"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_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-BRXYQENX5G.efd49e","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p2/text-05"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p2/text-05/s18#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":"It decomposes peritectically at 560 ◦ C into the liquid and Mg3 Nd phases and is also involved in an eutectic reaction with the Mg-rich terminal solid solution and the liquid phase at 545 ◦ C (92.5 at.% Mg) [8,10].","quote_page":2,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":818.15,"temperature_printed":"545 C","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":818.15},{"chemical_system":"MG-ND","citations_printed":["8","9"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"},{"first_author":"Nayeb-Hashemi","kind":"assessment","label":"9","reference":"A.A. Nayeb-Hashemi, J.B. Clark, Phase Diagrams of Binary Manganese Alloys, ASM International, Metals Park, OH, 1988.","status":"resolved","year":"1988"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"corrections":[{"after":["Mg3Nd","liquid"],"before":[],"evidence":{"basis":"one_compound_congruent_melting","quote_page":3},"field":"phases","gate":"R3","rule":"state_phases_from_quote"}],"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["reaction_liquid_count_inconsistent","phases_recovered_from_quote"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"reaction_liquid_count_inconsistent","detail":"congruent transformation with 1 liquid phase(s)","effect":"not_espei_ready","gate":"G6"},{"code":"phases_recovered_from_quote","detail":"phases read from the quote (one_compound_congruent_melting); not mapped to model phases","effect":"not_espei_ready","gate":"R3"}],"id":"ORC-3OPOYV3O2B","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","phases":[{"label":"Mg3Nd","label_source":"quote"},{"label":"liquid","label_source":"quote"}],"pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s03#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The Mg3 Nd phase melts congruently at 780 ◦ C [8,9].","quote_page":3,"reaction":{"type":"congruent transformation"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":1053.15,"temperature_printed":"780 C","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1053.15},{"chemical_system":"MG-ND","citations_printed":["8"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-O6FOUKZ3OY.59f2a5","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s09#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"Delfino et al. [8] indicates that the Mg2 Nd phase further decomposes at 660 ◦ C into MgNd and Mg3 Nd.","quote_page":3,"reaction":{"printed":"Mg2Nd -> MgNd + Mg3Nd"},"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":"MG-ND","system":"MG-ND","temperature_K":933.15,"temperature_printed":"660 C","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":933.15},{"chemical_system":"MG-ND","citations_printed":["8","9"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"},{"first_author":"Nayeb-Hashemi","kind":"assessment","label":"9","reference":"A.A. Nayeb-Hashemi, J.B. Clark, Phase Diagrams of Binary Manganese Alloys, ASM International, Metals Park, OH, 1988.","status":"resolved","year":"1988"}],"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_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:1)","effect":"not_accepted","gate":"R3"}],"id":"ORC-O6FOUKZ3OY.f7da5d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s09#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":"This Mg2 Nd phase peritectically decomposes at 750 ◦ C [8,9] according to the reaction: Liquid (∼ 65 at.% Mg) + Mg3 Nd → Mg2 Nd","quote_page":3,"reaction":{"printed":"Liquid (∼ 65 at.% Mg) + Mg3Nd -> Mg2Nd","type":"peritectic"},"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":"MG-ND","system":"MG-ND","temperature_K":1023.15,"temperature_printed":"750 C","tool_release":"release v2 + tools dev copy record build","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":1023.15},{"chemical_system":"MG-ND","citations_printed":["8"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (compounds_in_quote:2)","effect":"not_accepted","gate":"R3"}],"id":"ORC-NAYU3RGLLU.0b223e","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s12#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The MgNd phase melts congruently at 800 ◦ C and is involved in two eutectic reactions: (1) at 775 ◦ C with bcc-Nd and 57.5 at.% Nd liquid, and at 750 ◦ C with Mg2 Nd and 64.5 at.% Nd liquid phase [8].","quote_page":3,"reaction":{"type":"congruent transformation"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":1073.15,"temperature_printed":"800 C","tool_release":"release v2 + tools dev copy record build","transition_kind":"congruent transformation","transition_kind_printed":"congruent","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1073.15},{"chemical_system":"MG-ND","citations_printed":["8"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-NAYU3RGLLU.963098","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s12#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The MgNd phase melts congruently at 800 ◦ C and is involved in two eutectic reactions: (1) at 775 ◦ C with bcc-Nd and 57.5 at.% Nd liquid, and at 750 ◦ C with Mg2 Nd and 64.5 at.% Nd liquid phase [8].","quote_page":3,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":1048.15,"temperature_printed":"775 C","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1048.15},{"chemical_system":"MG-ND","citations_printed":["8"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-NAYU3RGLLU.a6c22d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s12#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"The MgNd phase melts congruently at 800 ◦ C and is involved in two eutectic reactions: (1) at 775 ◦ C with bcc-Nd and 57.5 at.% Nd liquid, and at 750 ◦ C with Mg2 Nd and 64.5 at.% Nd liquid phase [8].","quote_page":3,"reaction":{"type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":1023.15,"temperature_printed":"750 C","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1023.15},{"chemical_system":"MG-ND","citations_printed":["8"],"cited_sources":[{"doi":"10.1007/bf02647869","first_author":"Delfino","kind":"unknown","label":"8","paper":"doi:10.1007/bf02647869","reference":"S. Delfino, A. Saccone, R. Ferro, Met. Trans. A 21 (1990) 2109.","status":"resolved","year":"1990"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_flags":["NOTE_SELF_FLAG"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-S6EBIDWTXC","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02"},"observation_type":"phase_transition","origin":{"class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.jallcom.2004.09.040","paper_id":"doi:10.1016/j.jallcom.2004.09.040","pid":"doi:10.1016/j.jallcom.2004.09.040/p3/text-02/s17#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"The bcc-Nd solid solution decomposes eutectoidally at 545 ◦ C at 17 at.% Mg, into MgNd and dhcp-Nd [8].","quote_page":3,"reaction":{"printed":"bcc-Nd -> MgNd + dhcp-Nd"},"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":"MG-ND","system":"MG-ND","temperature_K":818.15,"temperature_printed":"545 C","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":16.0,"sigma_method":{"basis":"calibrated","ci95":[10.483565,26.208913],"class":"unknown","entry":"value_types/T_TRANSITION/classes/unknown","floor":16.0,"floor_unit":"K","n_pairs":274,"value":16.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":818.15},{"chemical_system":"MG-ND","conditions":{"kind":"paper_context_not_extracted","paper":"doi:10.1016/s1003-6326(07)60051-x"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","dropped_field_count":1,"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":1,"fold_lso":1,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-SVTV2SYKR2","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/s1003-6326(07)60051-x/p2/text-03"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"experimental","measured_in":"doi:10.1016/s1003-6326(07)60051-x","own_work_of_paper":true},"paper":"doi:10.1016/s1003-6326(07)60051-x","paper_id":"doi:10.1016/s1003-6326(07)60051-x","pid":"doi:10.1016/s1003-6326(07)60051-x/p2/text-03/s04#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"For the Mg2Nd phase, a peritectic formation was assumed at a temperature slightly higher than 1 023 K, the temperature for the eutectic reaction, liquid-+ MgNd(BCCB2)+MgzNd.","quote_page":2,"reaction":{"printed":"liquid -> MgNd(BCCB2)+MgzNd","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"MG-ND","system":"MG-ND","temperature_K":1023.0,"temperature_printed":"1023 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1023.0}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"MG-ND"}