{"artifacts":{"doi:10.1016/j.tca.2011.10.017/p5/tab-3":{"artifact":"table","caption":"Comparison between the measured and calculated invariant equilibria in the Al–Si, Al–Mg and Mg–Si binary systems.","label":"3","page":5},"doi:10.1016/j.tca.2011.10.017/p6/tab-4":{"artifact":"table","caption":"Invariant equilibria in the Al–Mg–Si ternary system from different sources.","label":"4","page":6}},"cite_as":{"also_cite":["the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work)"],"bibtex":"@misc{orchid_literature_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23735569},\n  url       = {https://doi.org/10.5281/zenodo.23735569},\n  note      = {Version 1, machine-extracted}\n}","dataset":"literature","doi":"10.5281/zenodo.23735569","license":"CC-BY-4.0","part_of":{"bibtex":"@misc{orchid_data_2026,\n  author    = {Arr{\\'o}yave, Raymundo and Saal, James and Shin, Dongwon},\n  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},\n  version   = {2026.10},\n  publisher = {Zenodo},\n  year      = {2026},\n  doi       = {10.5281/zenodo.23736065},\n  url       = {https://doi.org/10.5281/zenodo.23736065},\n  note      = {Version 1, machine-extracted}\n}","doi":"10.5281/zenodo.23736065","text":"R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065","title":"ORCHID data: umbrella record of the ORCHID datasets","url":"https://doi.org/10.5281/zenodo.23736065"},"release_tag":"v2026.10","status":"Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.","text":"R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569","title":"ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature","url":"https://doi.org/10.5281/zenodo.23735569","version":"2026.10"},"contexts":{},"elements":["AL","MG","SI"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1007/bf02653497":{"authors":["C. Ernest Birchenall","Alan F. Riechman"],"citation":"C. Ernest Birchenall, Alan F. Riechman, Heat storage in eutectic alloys, Metall Trans A 11, 1415-1420 (1980).","container":"Metall Trans A","doi":"10.1007/bf02653497","doi_url":"https://doi.org/10.1007/bf02653497","id":"doi:10.1007/bf02653497","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Heat storage in eutectic alloys","year":1980},"doi:10.1007/bf02671960":{"authors":["F. H. Hayes","R. D. Longbottom","E. Ahmad","G. Chen"],"citation":"F. H. Hayes, R. D. Longbottom, E. Ahmad, G. Chen, On the Al-Si, Al-Ge, and Al-Ge-Si systems and their application to brazing in high power semiconductor devices, JPE 14, 425-431 (1993).","container":"JPE","doi":"10.1007/bf02671960","doi_url":"https://doi.org/10.1007/bf02671960","id":"doi:10.1007/bf02671960","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"On the Al-Si, Al-Ge, and Al-Ge-Si systems and their application to brazing in high power semiconductor devices","year":1993},"doi:10.1007/s11669-001-0049-3":{"authors":["O. M. Barabash","O. V. Sulgenko","T. N. Legkaya","N. P. Korzhova"],"citation":"O. M. Barabash, O. V. Sulgenko, T. N. Legkaya, N. P. Korzhova, Experimental analysis and thermodynamic calculation of the structural regularities in the fusion diagram of the system of alloys Al-Mg-Si, JPE 22, 5-11 (2001).","container":"JPE","doi":"10.1007/s11669-001-0049-3","doi_url":"https://doi.org/10.1007/s11669-001-0049-3","id":"doi:10.1007/s11669-001-0049-3","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Experimental analysis and thermodynamic calculation of the structural regularities in the fusion diagram of the system of alloys Al-Mg-Si","year":2001},"doi:10.1016/j.calphad.2009.08.004":{"authors":["Xiaoming Yuan","Weihua Sun","Yong Du","Dongdong Zhao","Huaming Yang"],"citation":"Xiaoming Yuan, Weihua Sun, Yong Du, Dongdong Zhao, Huaming Yang, Thermodynamic modeling of the Mg–Si system with the Kaptay equation for the excess Gibbs energy of the liquid phase, Calphad 33, 673-678 (2009).","container":"Calphad","doi":"10.1016/j.calphad.2009.08.004","doi_url":"https://doi.org/10.1016/j.calphad.2009.08.004","id":"doi:10.1016/j.calphad.2009.08.004","kind":"corpus_paper","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work","journal_article"],"title":"Thermodynamic modeling of the Mg–Si system with the Kaptay equation for the excess Gibbs energy of the liquid phase","year":2009},"doi:10.1016/j.tca.2011.10.017":{"authors":["Ying Tang","Yong Du","Lijun Zhang","Xiaoming Yuan","George Kaptay"],"citation":"Ying Tang, Yong Du, Lijun Zhang, Xiaoming Yuan, George Kaptay, Thermodynamic description of the Al–Mg–Si system using a new formulation for the temperature dependence of the excess Gibbs energy, Thermochimica Acta 527, 131-142 (2012).","container":"Thermochimica Acta","doi":"10.1016/j.tca.2011.10.017","doi_url":"https://doi.org/10.1016/j.tca.2011.10.017","id":"doi:10.1016/j.tca.2011.10.017","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"f37e0baaeaaa9d25","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"Thermodynamic description of the Al–Mg–Si system using a new formulation for the temperature dependence of the excess Gibbs energy","year":2012},"doi:10.1016/s0925-8388(96)02655-2":{"authors":["Harald Feufel","Tilo Gödecke","Hans Leo Lukas","Ferdinand Sommer"],"citation":"Harald Feufel, Tilo Gödecke, Hans Leo Lukas, Ferdinand Sommer, Investigation of the Al-Mg-Si system by experiments and thermodynamic calculations, Journal of Alloys and Compounds 247, 31-42 (1997).","container":"Journal of Alloys and Compounds","doi":"10.1016/s0925-8388(96)02655-2","doi_url":"https://doi.org/10.1016/s0925-8388(96)02655-2","id":"doi:10.1016/s0925-8388(96)02655-2","kind":"corpus_paper","metadata_source":"crossref","roles":["cited_source","reporting_paper"],"source_kinds":["cited_work","journal_article"],"title":"Investigation of the Al-Mg-Si system by experiments and thermodynamic calculations","year":1997},"doi:10.1361/105497103770330550":{"authors":["Tomasz Czeppe","Wojciech Zakulski","Elżbieta Bielańska"],"citation":"Tomasz Czeppe, Wojciech Zakulski, Elżbieta Bielańska, Study of the thermal stability of phases in the Mg-Al system, JPE 24, 249-254 (2003).","container":"JPE","doi":"10.1361/105497103770330550","doi_url":"https://doi.org/10.1361/105497103770330550","id":"doi:10.1361/105497103770330550","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Study of the thermal stability of phases in the Mg-Al system","year":2003},"doi:10.4028/www.scientific.net/msf.508.621":{"authors":["R. Valdes","A. Freulon","J.-B. Deschamps","Ma Qian","Jacques Lacaze"],"citation":"R. Valdes, A. Freulon, J.-B. Deschamps, Ma Qian, Jacques Lacaze, Phase Equilibria and Solidification of Mg-Rich Al-Mg-Si Alloys, MSF 508, 621-628 (2006).","container":"MSF","doi":"10.4028/www.scientific.net/msf.508.621","doi_url":"https://doi.org/10.4028/www.scientific.net/msf.508.621","id":"doi:10.4028/www.scientific.net/msf.508.621","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Phase Equilibria and Solidification of Mg-Rich Al-Mg-Si Alloys","year":2006}},"part":1,"parts":1,"records":[{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-BQZXE6TFAL","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-BQZXE6TFAL on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-ZBA2KHHDZZ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":1},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.1204},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.017},"composition_source":"printed","phase":"(Al)-fcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r01#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":850.65,"temperature_printed":"577.5","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":850.65},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-BQZXE6TFAL","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":2},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.121},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0175},"composition_source":"printed","phase":"(Al)-fcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r02#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":850.15,"temperature_printed":"577.0","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":850.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1007/bf02671960","first_author":"Hayes","kind":"unknown","label":"24","paper":"doi:10.1007/bf02671960","reference":"F.H. Hayes, R.D. Longbottom, E. Ahmad, G. Chen, On the Al–Si, Al–Ge, and Al–Ge–Si systems and their application to brazing in high power semiconductor devices, J. Phase Equilib. 14 (1993) 425–431.","status":"resolved","year":"1993"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-ACJMBPHE4W","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.122},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r03#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":850.25,"temperature_printed":"577.1","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":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":850.25},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-FOSTC5LFL7","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":4},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3665},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.1689},"composition_source":"printed","phase":"(Al)-fcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r04#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.85,"temperature_printed":"450.7","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":723.85},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-FOSTC5LFL7","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-FOSTC5LFL7 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-IDY6HFGUVS","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":5},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3639},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.166},"composition_source":"printed","phase":"(Al)-fcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r05#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.95,"temperature_printed":"450.8","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":723.95},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schuermann","kind":"unknown","label":"36","reference":"E. Schuermann, H.J. Voss, Investigation of the melting equilibria of the magnesium–lithium–aluminum alloys, Giessereiforschung 33 (1981) 43–46.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-WPXEMQBGXU","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.368},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.165},"composition_source":"printed","phase":"(Al)-fcc"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.385},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r06#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":722.85,"temperature_printed":"449.7","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":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":722.85},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-C6AI6WWSN7","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-C6AI6WWSN7 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-HFUHX2GK45","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":7},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4209},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4683},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.15,"temperature_printed":"450.0","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":723.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-C6AI6WWSN7","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":8},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4194},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4677},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.55,"temperature_printed":"450.4","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":723.55},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Liang","kind":"unknown","label":"30","reference":"P. Liang, H.L. Su, P. Donnadieu, M.G. Harmelin, A. Quivy, P. Ochin, G. Effenberg, H.J. Seifert, H.L. Lukas, F. Aldinger, Experimental investigation and thermodynamic calculation of central part of Mg–Al phase diagram, Z. Metallkd. 89 (1998) 536–540.","status":"resolved","year":"1998"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-NJPUMLVP73","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":9},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.424},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.48},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"β","model_phase":"BETA_AL3MG2"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r09#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":722.65,"temperature_printed":"449.5","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":0.011,"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-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":722.65},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-GRMTHQYI2G","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-GRMTHQYI2G on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-NVXM5QUT4V","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":10},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.7037},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.6211},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.8831},"composition_source":"printed","phase":"(Mg)-hcp"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r10#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + (Mg)-hcp"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":711.55,"temperature_printed":"438.4","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":711.55},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-GRMTHQYI2G","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":11},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.6974},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.6112},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.8663},"composition_source":"printed","phase":"(Mg)-hcp"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r11#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + (Mg)-hcp"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":711.45,"temperature_printed":"438.3","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":711.45},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schuermann","kind":"unknown","label":"36","reference":"E. Schuermann, H.J. Voss, Investigation of the melting equilibria of the magnesium–lithium–aluminum alloys, Giessereiforschung 33 (1981) 43–46.","status":"resolved","year":"1981"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-7KIY4CNMVH","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.692},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.595},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.885},"composition_source":"printed","phase":"(Mg)-hcp"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r12#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + (Mg)-hcp"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":711.15,"temperature_printed":"438.0","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":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":711.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-AIM6LXPBMC","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-AIM6LXPBMC on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-VRUXE2SALP","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":13},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3886},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4828},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"}],"phases":[{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"ε","model_phase":"E_AL30MG23"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"β + γ -> ε"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":701.05,"temperature_printed":"427.9","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":701.05},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-AIM6LXPBMC","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":14},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3836},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4823},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"}],"phases":[{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"ε","model_phase":"E_AL30MG23"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"β + γ -> ε"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":700.95,"temperature_printed":"427.8","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":700.95},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1361/105497103770330550","first_author":"Czeppe","kind":"unknown","label":"33","paper":"doi:10.1361/105497103770330550","reference":"T. Czeppe, W. Zakulski, E. Bielanska, Study of the thermal stability of phases in Mg–Al system, J. Phase Equilib. 24 (2003) 249–254.","status":"resolved","year":"2003"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-SYXCWFE27J","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":15},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3836},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.482},"composition_source":"printed","phase":"γ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"}],"phases":[{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"ε","model_phase":"E_AL30MG23"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"β + γ -> ε"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":700.15,"temperature_printed":"427.0","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":0.011,"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-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":700.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-XNTHQF6BSC","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":16},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3836},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.5505},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"ε","model_phase":"E_AL30MG23"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ε -> β + γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":523.45,"temperature_printed":"250.3","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":523.45},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-VBBVYZUGHQ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":17},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3836},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.5494},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"ε","model_phase":"E_AL30MG23"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ε -> β + γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":524.25,"temperature_printed":"251.1","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":524.25},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Liang","kind":"unknown","label":"30","reference":"P. Liang, H.L. Su, P. Donnadieu, M.G. Harmelin, A. Quivy, P. Ochin, G. Effenberg, H.J. Seifert, H.L. Lukas, F. Aldinger, Experimental investigation and thermodynamic calculation of central part of Mg–Al phase diagram, Z. Metallkd. 89 (1998) 536–540.","status":"resolved","year":"1998"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-IK2WNDHBPK","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":18},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.4339},"composition_source":"printed","phase":"ε"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.3836},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"MG":0.536},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"ε","model_phase":"E_AL30MG23"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"ε -> β + γ"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":523.15,"temperature_printed":"250.0","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":0.011,"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-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":523.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1016/j.calphad.2009.08.004","first_author":"Yuan","kind":"assessment","label":"12","paper":"doi:10.1016/j.calphad.2009.08.004","reference":"X. Yuan, W. Sun, Y. Du, D.D. Zhao, H. Yang, Thermodynamic modeling of the Mg–Si system with the Kaptay equation for the excess Gibbs energy of the liquid phase, Calphad 33 (2009) 673–678.","status":"resolved","year":"2009"}],"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":4,"fold_lso":3,"id":"ORC-IQO3WEF64M","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":25},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.08.004","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0135},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0},"composition_source":"printed","phase":"(Mg)-hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":911.75,"temperature_printed":"638.6","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":911.75},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-2U7IRYBK5A","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":26},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0173},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0},"composition_source":"printed","phase":"(Mg)-hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r26#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":908.15,"temperature_printed":"635.0","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":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":908.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Geffken","kind":"unknown","label":"37","reference":"R. Geffken, E. Miller, Phase diagrams and thermodynamic properties of the Mg–Si and Mg–Ge systems, Trans. Metall. Soc. AIME 242 (1968) 2323–2328.","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-WWL2DJ6ECI","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":27},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.013},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.0},"composition_source":"printed","phase":"(Mg)-hcp"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r27#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":910.15,"temperature_printed":"637.0","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":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":910.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1016/j.calphad.2009.08.004","first_author":"Yuan","kind":"assessment","label":"12","paper":"doi:10.1016/j.calphad.2009.08.004","reference":"X. Yuan, W. Sun, Y. Du, D.D. Zhao, H. Yang, Thermodynamic modeling of the Mg–Si system with the Kaptay equation for the excess Gibbs energy of the liquid phase, Calphad 33 (2009) 673–678.","status":"resolved","year":"2009"}],"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":4,"fold_lso":3,"id":"ORC-UINDIJS2AP","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":28},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","measured_in":"doi:10.1016/j.calphad.2009.08.004","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.535},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Mg2Si","model_phase":"MG2SI_B"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r28#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Mg2Si + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":1218.75,"temperature_printed":"945.6","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":0.005},"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":1218.75},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-6KXCQFDPM2","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":29},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.5296},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Mg2Si","model_phase":"MG2SI_B"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r29#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Mg2Si + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":1217.95,"temperature_printed":"944.8","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":1217.95},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Geffken","kind":"unknown","label":"37","reference":"R. Geffken, E. Miller, Phase diagrams and thermodynamic properties of the Mg–Si and Mg–Ge systems, Trans. Metall. Soc. AIME 242 (1968) 2323–2328.","status":"resolved","year":"1968"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-AOCVSQK77G","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p5/tab-3","row":30},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.53},"composition_source":"printed","phase":"L"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.333},"composition_source":"printed","phase":"Mg2Si"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":1.0},"composition_source":"printed","phase":"Si"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"Mg2Si","model_phase":"MG2SI_B"},{"label":"Si","model_phase":"SI_DIAMOND_A4"}],"pid":"doi:10.1016/j.tca.2011.10.017/p5/tab-3/r30#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> Mg2Si + Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":1218.75,"temperature_printed":"945.6","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":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1218.75},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-Z6MUDSRGDC","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":1},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.8571,"MG":0.1046,"SI":0.0383},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":867.9,"temperature_printed":"594.75","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":867.9},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-7TQO6S6K4I","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":2},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.8561,"MG":0.1031,"SI":0.0408},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":866.8,"temperature_printed":"593.65","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":866.8},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1016/s0925-8388(96)02655-2","first_author":"Feufel","kind":"unknown","label":"6","paper":"doi:10.1016/s0925-8388(96)02655-2","reference":"H. Feufel, T. Godecke, H.L. Lukas, F. Sommer, Investigation of the Al–Mg–Si system by experiments and thermodynamic calculations, J. Alloys Compd. 247 (1997) 31–42.","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-RCAHRDEYBX","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":3},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0925-8388(96)02655-2","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":868.15,"temperature_printed":"595.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":868.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schurmann","kind":"unknown","label":"87","reference":"E. Schürmann, A. Fischer, Equilibria with liquid in the aluminium–magnesium–silicon ternary system, Part 3, Al–Mg–Si system, Giessereiforschung 29 (1977) 161–165.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-ODHTZGWJFX","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":4},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":866.15,"temperature_printed":"593.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":866.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Hanson","kind":"assessment","label":"88","reference":"D. Hanson, M.L.V. Gayler, The constitution and age-hardening of the alloys of aluminium with magnesium and silicon, J. Inst. Met. 26 (1921) 321–359. 142 Y. Tang et al. / Thermochimica Acta 527 (2012) 131–142","status":"resolved","year":"2012"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-G4N5ANOJPZ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":5},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.871,"MG":0.083,"SI":0.046},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":868.15,"temperature_printed":"595.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":868.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1007/s11669-001-0049-3","first_author":"Barabash","kind":"unknown","label":"34","paper":"doi:10.1007/s11669-001-0049-3","reference":"O.M. Barabash, O.V. Sulgenko, T.N. Legkaya, N.P. Korzhova, Design of new cast aluminium materials using properties of monovariant eutectic transformation L = Al + Mg2 Si, J. Phase Equilib. 22 (2001) 5–11.","status":"resolved","year":"2001"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-OKRWCCTG4H","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":6},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"SI":0.039},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":870.15,"temperature_printed":"597.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":870.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-OPTXLQ74S7","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":7},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.853,"MG":0.108,"SI":0.039},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r07#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":867.15,"temperature_printed":"594.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":867.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-GQ7VQOCEOT","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":8},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.8066,"MG":0.0549,"SI":0.1385},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r08#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":833.6,"temperature_printed":"560.45","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":833.6},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-QSZ5N36URG","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":9},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.8068,"MG":0.0547,"SI":0.1385},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":832.5,"temperature_printed":"559.35","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":832.5},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1016/s0925-8388(96)02655-2","first_author":"Feufel","kind":"unknown","label":"6","paper":"doi:10.1016/s0925-8388(96)02655-2","reference":"H. Feufel, T. Godecke, H.L. Lukas, F. Sommer, Investigation of the Al–Mg–Si system by experiments and thermodynamic calculations, J. Alloys Compd. 247 (1997) 31–42.","status":"resolved","year":"1997"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-RENT3ENLDY","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":10},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","measured_in":"doi:10.1016/s0925-8388(96)02655-2","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":831.15,"temperature_printed":"558.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":831.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.1007/bf02653497","first_author":"Birchenall","kind":"assessment","label":"90","paper":"doi:10.1007/bf02653497","reference":"C.E. Birchenall, A.F. Riechmann, Heat storage in eutectic alloys, Met. Trans. A 11 (1980) 1415–1420.","status":"resolved","year":"1980"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-VB3TN2LLQI","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":11},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.823,"MG":0.051,"SI":0.126},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":833.15,"temperature_printed":"560.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":833.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schurmann","kind":"unknown","label":"87","reference":"E. Schürmann, A. Fischer, Equilibria with liquid in the aluminium–magnesium–silicon ternary system, Part 3, Al–Mg–Si system, Giessereiforschung 29 (1977) 161–165.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-X6UIHZUNDZ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":12},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.811,"MG":0.048,"SI":0.141},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/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 -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":823.15,"temperature_printed":"550.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":823.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Hanson","kind":"assessment","label":"88","reference":"D. Hanson, M.L.V. Gayler, The constitution and age-hardening of the alloys of aluminium with magnesium and silicon, J. Inst. Met. 26 (1921) 321–359. 142 Y. Tang et al. / Thermochimica Acta 527 (2012) 131–142","status":"resolved","year":"2012"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-JV6MZIJE6D","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":13},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.805,"MG":0.049,"SI":0.146},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r13#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":831.15,"temperature_printed":"558.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":831.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-XF5WGCBD2P","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":14},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.815,"MG":0.054,"SI":0.131},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"(Si)","model_phase":"SI_DIAMOND_A4"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r14#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + (Si) + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":830.15,"temperature_printed":"557.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":830.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-MTOSPADLA5","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":15},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.4576,"MG":0.542,"SI":0.0004},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r15#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":733.2,"temperature_printed":"460.05","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":733.2},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-MTOSPADLA5","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-MTOSPADLA5 on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-SMIEJUFQE7","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":16},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.4619,"MG":0.5378,"SI":0.0003},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r16#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":733.5,"temperature_printed":"460.35","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":733.5},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-EOK4KXJPVE","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":17},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.461,"MG":0.538,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r17#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":735.65,"temperature_printed":"462.50","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":735.65},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-C3JLWLJEDA","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-C3JLWLJEDA on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-YW65EXMGRE","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":18},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.6114,"MG":0.3884,"SI":0.0002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r18#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":724.3,"temperature_printed":"451.15","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":724.3},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-C3JLWLJEDA","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":19},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.6114,"MG":0.3884,"SI":0.0002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r19#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":724.6,"temperature_printed":"451.45","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":724.6},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Sebkova","kind":"unknown","label":"93","reference":"J. Sebkova, M. Beranek, P. Halamkova, Thermodynamic properties of liquid Al–Mg–Si alloys, Kovove Mater. 17 (1979) 137–143.","status":"resolved","year":"1979"}],"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":4,"fold_lso":3,"id":"ORC-YRH3CAMVEU","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":20},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.61,"MG":0.389,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r20#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":724.35,"temperature_printed":"451.20","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":724.35},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-LGTKPMZSAG","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":21},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.6331,"MG":0.3666,"SI":0.0001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r21#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.7,"temperature_printed":"450.55","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":723.7},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-LGTKPMZSAG","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-LGTKPMZSAG on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-OTWC3QDCJL","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":22},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.6358,"MG":0.364,"SI":0.0002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r22#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.8,"temperature_printed":"450.65","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":723.8},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schurmann","kind":"unknown","label":"87","reference":"E. Schürmann, A. Fischer, Equilibria with liquid in the aluminium–magnesium–silicon ternary system, Part 3, Al–Mg–Si system, Giessereiforschung 29 (1977) 161–165.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-WAOFRFBV6U","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":23},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r23#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":721.15,"temperature_printed":"448.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":721.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Rokhlin","kind":"assessment","label":"91","reference":"L.L. Rokhlin, A.G. Pepelyan, Phase equilibria in the Mg–Al–Si system in the magnesium rich area, Izv. Akad. Nauk SSSR Met. 6 (1988) 176–179.","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_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-SLZKO3BSPT","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":24},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.653,"MG":0.345,"SI":0.002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r24#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":708.15,"temperature_printed":"435.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":708.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Hanson","kind":"assessment","label":"88","reference":"D. Hanson, M.L.V. Gayler, The constitution and age-hardening of the alloys of aluminium with magnesium and silicon, J. Inst. Met. 26 (1921) 321–359. 142 Y. Tang et al. / Thermochimica Acta 527 (2012) 131–142","status":"resolved","year":"2012"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-AYMYLIV5D3","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":25},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.6603,"MG":0.339,"SI":0.0007},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r25#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":721.15,"temperature_printed":"448.00","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-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":721.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-3RJ7F4PXVN","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":26},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.64,"MG":0.363,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Al)-fcc","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r26#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Al)-fcc + β + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.15,"temperature_printed":"450.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":723.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-5AE6UOGLVR","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":27},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.5795,"MG":0.4204,"SI":0.0001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r27#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.1,"temperature_printed":"449.95","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":723.1},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-5AE6UOGLVR","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-5AE6UOGLVR on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-DQZLVFJSQG","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":28},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.5812,"MG":0.4186,"SI":0.0002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r28#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":723.5,"temperature_printed":"450.35","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":723.5},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.4028/www.scientific.net/msf.508.621","first_author":"Valdes","kind":"unknown","label":"35","paper":"doi:10.4028/www.scientific.net/msf.508.621","reference":"R. Valdes, A. Freulon, J.B. Deschamps, M. Qian, J. Lacaze, Phase equilibria and solidification of Mg-rich Al–Mg–Si alloys, Mater. Sci. Forum 508 (2006) 621–628.","status":"resolved","year":"2006"}],"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":4,"fold_lso":3,"id":"ORC-FOEJHZ4WLI","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":29},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r29#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":721.15,"temperature_printed":"448.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"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":721.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-J5VVMWIVZB","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":30},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.574,"MG":0.425,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"β","model_phase":"BETA_AL3MG2"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r30#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> β + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":722.15,"temperature_printed":"449.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":722.15},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"duplicate_of":"ORC-CVKEWJ5HOW","evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"gate_failures":["duplicate_invariant_same_page"],"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"gate_failures":[{"code":"duplicate_invariant_same_page","detail":"same invariant as ORC-CVKEWJ5HOW on the same page (|dT| <= 0.5 K, same phases)","effect":"not_espei_ready","gate":"R3I"}],"id":"ORC-EQMNT7HUEJ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":31},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.2952,"MG":0.7043,"SI":0.0005},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r31#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":711.4,"temperature_printed":"438.25","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":711.4},{"chemical_system":"AL-MG-SI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-CVKEWJ5HOW","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":32},"model_unlinked_reason":"linked TDB not the reporting paper's own model (link basis: multicomponent TDB with 53 ternary parameters)","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1016/j.tca.2011.10.017","own_work_of_paper":true},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.3015,"MG":0.698,"SI":0.0005},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r32#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":711.4,"temperature_printed":"438.25","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":5e-05},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":711.4},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Schurmann","kind":"unknown","label":"87","reference":"E. Schürmann, A. Fischer, Equilibria with liquid in the aluminium–magnesium–silicon ternary system, Part 3, Al–Mg–Si system, Giessereiforschung 29 (1977) 161–165.","status":"resolved","year":"1977"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-NA4YTXUQUY","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":33},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.323,"MG":0.675,"SI":0.002},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r33#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":707.15,"temperature_printed":"434.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":707.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"doi":"10.4028/www.scientific.net/msf.508.621","first_author":"Valdes","kind":"unknown","label":"35","paper":"doi:10.4028/www.scientific.net/msf.508.621","reference":"R. Valdes, A. Freulon, J.B. Deschamps, M. Qian, J. Lacaze, Phase equilibria and solidification of Mg-rich Al–Mg–Si alloys, Mater. Sci. Forum 508 (2006) 621–628.","status":"resolved","year":"2006"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":3,"id":"ORC-O76TQCYUPS","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":34},"observation_type":"invariant_reaction","origin":{"basis":"printed_source_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.3,"MG":0.699,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r34#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":709.15,"temperature_printed":"436.00","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":709.15},{"chemical_system":"AL-MG-SI","cited_sources":[{"first_author":"Kumar","kind":"assessment","label":"89","reference":"K.C.H. Kumar, N. Chakraborti, H.L. Lukas, O. Bodak, L. Rokhlin, Ternary Alloys Comprehensive Compendium on Constitutional Data and Phase Diagrams, MSI, Stuttgart, 2003.","status":"resolved","year":"2003"}],"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":4,"fold_lso":3,"id":"ORC-7AL6EWARIJ","locator":{"ref":"doi:10.1016/j.tca.2011.10.017/p6/tab-4","row":35},"model_unlinked_reason":"cited calculation whose model is not a corpus TDB","observation_type":"invariant_reaction","origin":{"basis":"printed_source_other_calculation","class":"model_value","own_work_of_paper":false},"paper":"doi:10.1016/j.tca.2011.10.017","paper_id":"doi:10.1016/j.tca.2011.10.017","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"AL":0.309,"MG":0.69,"SI":0.001},"composition_source":"printed","phase":"L"}],"phases":[{"label":"L","model_phase":"LIQUID"},{"label":"(Mg)-hcp","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"G_AL12MG17"},{"label":"Mg2Si","model_phase":"MG2SI_B"}],"pid":"doi:10.1016/j.tca.2011.10.017/p6/tab-4/r35#invariant_reaction","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","reaction":{"printed":"L -> (Mg)-hcp + γ + Mg2Si"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_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":"AL-MG-SI","system":"AL-MG-SI","temperature_K":708.75,"temperature_printed":"435.60","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":708.75}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"AL-MG-SI"}