{"artifacts":{"doi:10.1007/s10853-017-1777-z/p3/tab-2":{"artifact":"table","caption":"Summary of the crystallographic data for the solid phases in the Cu–Be system","label":"2","page":3},"doi:10.1007/s10853-017-1777-z/p6/text-02":{"artifact":"text_passage","label":"page 6, passage 2","page":6},"doi:10.1007/s10853-017-1777-z/p9/tab-4":{"artifact":"table","caption":"Summary of the invariant equilibria in the Cu– Be system","label":"4","page":9},"doi:10.1007/s10853-017-1777-z/p9/text-03":{"artifact":"text_passage","label":"page 9, passage 3","page":9}},"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":["BE","CU"],"licence":"CC BY 4.0 (ORCHID data; quotes are short excerpts kept for verification, the publishers' copyright, not relicensed)","models":{"M513d8ee6":{"catalog_entry":{"license":"CC BY 4.0","name":"BeCu-18Liu.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Mater. Sci., 53, 3756-66(2018).","model_doi":"10.1007/s10853-017-1777-z","reproduced_by_calculation":true,"tdb":"BeCu-18Liu.tdb","tdb_path":"databases/sgte-binary/BeCu-18Liu.tdb","tdb_sha256":"a0c9e1104448efbab98333c8459c71f46c0477ee9f7c10ea837823cb94afd488"},"Md7626f18":{"catalog_entry":{"license":"CC BY 4.0","name":"BeCu-18Liu.tdb","source_url":"https://doi.org/10.1016/j.calphad.2025.102833","tier":"bundled"},"link_basis":"reporting_paper_own_model","model_citation":"J. Mater. Sci., 53, 3756-66(2018).","model_doi":"10.1007/s10853-017-1777-z","reproduced_by_calculation":false,"tdb":"BeCu-18Liu.tdb","tdb_path":"databases/sgte-binary/BeCu-18Liu.tdb","tdb_sha256":"a0c9e1104448efbab98333c8459c71f46c0477ee9f7c10ea837823cb94afd488"}},"note":"records[].locator.ref -> artifacts; records[].model -> models (full records: orchid-literature.jsonl.gz)","papers":{"doi:10.1007/bf02874919":{"citation":"Chakrabarti DJ, Tanner LE (1987) The Be–Cu (beryllium– copper) system. Bull Alloy Phase Diagrams 8:269–282","doi":"10.1007/bf02874919","doi_url":"https://doi.org/10.1007/bf02874919","id":"doi:10.1007/bf02874919","kind":"cited_work","metadata_source":"printed_reference","roles":["cited_source"],"source_kinds":["cited_work"]},"doi:10.1007/s10853-017-1777-z":{"authors":["Yuling Liu","Bo Sundman","Yong Du","Jiong Wang","Shuhong Liu","Wei Ping Gong","Cong Zhang"],"citation":"Yuling Liu, Bo Sundman, Yong Du, Jiong Wang, Shuhong Liu, Wei Ping Gong et al., A stepwise thermodynamic modeling of the phase diagram for the Cu–Be system, J Mater Sci 53, 3756-3766 (2018).","container":"J Mater Sci","doi":"10.1007/s10853-017-1777-z","doi_url":"https://doi.org/10.1007/s10853-017-1777-z","id":"doi:10.1007/s10853-017-1777-z","kind":"corpus_paper","metadata_source":"crossref","pdf_sha256_prefix":"b0c1357da267fcdc","roles":["reporting_paper"],"source_kinds":["journal_article"],"title":"A stepwise thermodynamic modeling of the phase diagram for the Cu–Be system","year":2018},"doi:10.1016/0036-9748(74)90399-8":{"authors":["X Auvray","R Graf","A Guinier"],"citation":"X Auvray, R Graf, A Guinier, Etude des alliages cuivre - beryllium au voisinage de la composition eutectoïde, Scripta Metallurgica 8, 995-1004 (1974).","container":"Scripta Metallurgica","doi":"10.1016/0036-9748(74)90399-8","doi_url":"https://doi.org/10.1016/0036-9748(74)90399-8","id":"doi:10.1016/0036-9748(74)90399-8","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"Etude des alliages cuivre - beryllium au voisinage de la composition eutectoïde","year":1974},"doi:10.1016/0364-5916(91)90030-n":{"authors":["A.T. Dinsdale"],"citation":"A.T. Dinsdale, SGTE data for pure elements, Calphad 15, 317-425 (1991).","container":"Calphad","doi":"10.1016/0364-5916(91)90030-n","doi_url":"https://doi.org/10.1016/0364-5916(91)90030-n","id":"doi:10.1016/0364-5916(91)90030-n","kind":"cited_work","metadata_source":"crossref","roles":["cited_source"],"source_kinds":["cited_work"],"title":"SGTE data for pure elements","year":1991}},"part":1,"parts":1,"records":[{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:T_K_explicit","state:composition","temperature not stated"],"state_fully_specified":false},"fold_lpo":4,"fold_lso":4,"id":"ORC-M5DUDRY7ZU","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":2},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"β"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r02#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"cI2","prototype":"W"},"system":"BE-CU","temperature_basis":"not_printed","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.006182,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.006182},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":2.81,"value_stored":0.281},{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:composition"],"state_fully_specified":false},"fold_lpo":4,"fold_lso":4,"id":"ORC-FY4TXLLUCJ","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":3},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"γ"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r03#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"cP2","prototype":"CsCl"},"system":"BE-CU","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005944,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.005944},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":2.702,"value_stored":0.2702},{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":4,"id":"ORC-PBMT5L4HFE.93baf6","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":4},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"overall_composition":{"CU":0.0},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"(αBe)"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r04#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"hP2","prototype":"Mg"},"system":"BE-CU","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005029,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.005029},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":2.286,"value_stored":0.2286},{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":4,"id":"ORC-PBMT5L4HFE.e4d703","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":4},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"overall_composition":{"CU":0.0},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"(αBe)"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r04#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_C","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"hP2","prototype":"Mg"},"system":"BE-CU","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.007887,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.007887},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":3.585,"value_stored":0.3585},{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","specification_gaps":["state:composition"],"state_fully_specified":false},"fold_lpo":4,"fold_lso":4,"id":"ORC-SRK36IH6L7","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":5},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"δ"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r05#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"cF24"},"system":"BE-CU","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.01287,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.01287},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":5.852,"value_stored":0.5852},{"chemical_system":"BE-CU","conditions":{"kind":"own_work_origin_unspecified"},"evidence_class":"unspecified","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted"},"fold_lpo":4,"fold_lso":4,"id":"ORC-NFYV2OCBRX","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p3/tab-2","row":6},"observation_type":"structural_property","origin":{"basis":"no_printed_or_resolvable_source_kind","class":"unspecified","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"overall_composition":{"CU":0.0},"overall_composition_basis":"from_formula","paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"(βBe)"}],"pid":"doi:10.1007/s10853-017-1777-z/p3/tab-2/r06#structural_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"unstated_assumed","property":"LATTICE_A","property_group":"crystal structure","reader_agreement":"multi_reader","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"general_table","source_system":"BE-CU","structure":{"pearson_symbol":"cI2","prototype":"W"},"system":"BE-CU","temperature_K":298.15,"temperature_basis":"assumed_room_temperature","tool_release":"tools-release-v2.1.18","uncertainty":{"basis":"reading_resolution","value":0.0005},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005614,"sigma_method":{"basis":"calibrated","ci95":[0.001793,0.002549],"class":"unknown","entry":"value_types/LATTICE_LENGTH/classes/unknown","floor":0.0022,"floor_unit":"relative (fraction of the value)","n_pairs":586,"value":0.005614},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.0005},"sigma_scatter":null,"unit":"Å","value_type":"LATTICE_LENGTH"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"Å","unit_stored":"nm","value":2.552,"value_stored":0.2552},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Borchers","kind":"unknown","label":"10","reference":"Borchers H (1932) Examination of the system: copperberyllium. Metallwirtsch Metallwiss Metalltech 11:317–330","status":"resolved","year":"1932"}],"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":4,"id":"ORC-244YA77HZJ","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":1},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.169},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.241},"composition_source":"printed","phase":"β"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":1138.0,"temperature_printed":"1138","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1138.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Iwase","kind":"unknown","label":"12","reference":"Iwase K, Okamoto M (1941) The equilibrium diagrams of beryllium-copper and beryllium-nickel-copper systems. Nippon Kinzoku Gakkaishi 5:82–91","status":"resolved","year":"1941"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":4,"id":"ORC-HMDAYLLMKQ","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":2},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.137},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.254},"composition_source":"printed","phase":"β"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":1139.0,"temperature_printed":"1139","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1139.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Abrikosov","kind":"unknown","label":"16","reference":"Abrikosov NK (1952) Investigation of the system copperberyllium. Izv Sekt Fiz Khim Anal, Inst Obshch Neorg Khim, Akad Nauk SSSR 21:101–115","status":"resolved","year":"1952"}],"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":4,"id":"ORC-57NG4AHYJN","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":3},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.166},"composition_source":"printed","phase":"(Cu)"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":1143.0,"temperature_printed":"1143","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1143.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-R3AFXYMBHM","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":4},"model":"Md7626f18","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.254},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.148},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.276},"composition_source":"printed","phase":"β"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":1132.1,"temperature_printed":"1132.1","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1132.1},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Borchers","kind":"unknown","label":"10","reference":"Borchers H (1932) Examination of the system: copperberyllium. Metallwirtsch Metallwiss Metalltech 11:317–330","status":"resolved","year":"1932"}],"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":4,"id":"ORC-CJSHUDD2FZ","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":5},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.31},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.11},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.466},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":851.0,"temperature_printed":"851","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":851.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Iwase","kind":"unknown","label":"12","reference":"Iwase K, Okamoto M (1941) The equilibrium diagrams of beryllium-copper and beryllium-nickel-copper systems. Nippon Kinzoku Gakkaishi 5:82–91","status":"resolved","year":"1941"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_phase_rule":{"basis":"printed_labels","result":"pass"},"espei_ready":true,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":4,"id":"ORC-LUXN3O7JTH","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":6},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.318},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.097},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.476},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":846.0,"temperature_printed":"846","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":846.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Losana","kind":"unknown","label":"14","reference":"Losana L, Venturello G (1942) Beryllium alloys. IV. The system Cu–Be. Alluminio 11:8–16","status":"resolved","year":"1942"}],"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":4,"id":"ORC-SL76LQG4PR","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":7},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.31},"composition_source":"printed","phase":"β"}],"phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":851.0,"temperature_printed":"851","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":851.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Thomas","kind":"unknown","label":"23","reference":"Thomas H (1944) Changes in volume and electrical resistance of Cu–Be alloys as a result of age hardening. Z Metallkd 36:136–140","status":"resolved","year":"1944"}],"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":4,"id":"ORC-ZIV73IELPM","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":8},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":874.0,"temperature_max_K":891.0,"temperature_printed":"874–891","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":0.05},"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":874.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Fillnow","kind":"unknown","label":"24","reference":"Fillnow RH, Mack DJ (1950) The isothermal transformation of a eutectoid beryllium bronze. Trans AIME 188:1229–1236 3766","status":"resolved","year":"1950"}],"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":4,"id":"ORC-NSFSJBJDW5","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":9},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":881.0,"temperature_printed":"881","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":0.05},"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":881.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Abrikosov","kind":"unknown","label":"16","reference":"Abrikosov NK (1952) Investigation of the system copperberyllium. Izv Sekt Fiz Khim Anal, Inst Obshch Neorg Khim, Akad Nauk SSSR 21:101–115","status":"resolved","year":"1952"}],"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":4,"id":"ORC-4NLQF4KROR","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":10},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.31},"composition_source":"printed","phase":"β"}],"phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":851.0,"temperature_printed":"851","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":851.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Morinaga","kind":"unknown","label":"25","reference":"Morinaga T, Goto T, Takahashi T, Mamiya I (1965) Phase transformation of hypoeutectoid Cu–Be alloy during the high temperature tempering. Nippon Kinzoku Gakkaishi 29:787–793","status":"resolved","year":"1965"}],"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":4,"id":"ORC-XJ6K7OWEGL","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":11},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":878.0,"temperature_max_K":883.0,"temperature_printed":"878–883","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":0.05},"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":878.0},{"chemical_system":"BE-CU","cited_sources":[{"doi":"10.1016/0036-9748(74)90399-8","first_author":"Auvray","kind":"unknown","label":"26","paper":"doi:10.1016/0036-9748(74)90399-8","reference":"Auvray X, Graf R, Guinier A (1974) Copper-beryllium alloy in the proximity of the eutectic composition. Scr Metall 8:995–1004","status":"resolved","year":"1974"}],"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":4,"id":"ORC-YCIRCWX57T","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":12},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":863.0,"temperature_printed":"863","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":0.05},"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":863.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-W2M6CFJNFW","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":13},"model":"Md7626f18","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.311},"composition_source":"printed","phase":"β"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.113},"composition_source":"printed","phase":"(Cu)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.45},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"β","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"(Cu)","model_phase":"FCC_A1","pearson_symbol":"cF4","prototype":"Cu","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"β ↔ (Cu) + 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":"BE-CU","system":"BE-CU","temperature_K":894.2,"temperature_printed":"894.2","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":894.2},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Borchers","kind":"unknown","label":"10","reference":"Borchers H (1932) Examination of the system: copperberyllium. Metallwirtsch Metallwiss Metalltech 11:317–330","status":"resolved","year":"1932"}],"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":4,"id":"ORC-4MGUFQSSW6","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":14},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid + δ ↔ 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":"BE-CU","system":"BE-CU","temperature_K":1206.0,"temperature_printed":"1206","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":0.05},"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":1206.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-LJ44CKOVYO","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":15},"model":"M513d8ee6","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.456},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.642},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.497},"composition_source":"printed","phase":"γ"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"γ","model_phase":"B2_BCC","pearson_symbol":"cP2","prototype":"CsCl","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid + δ ↔ 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":"BE-CU","system":"BE-CU","temperature_K":1208.1,"temperature_printed":"1208.1","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1208.1},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Jonsson","kind":"unknown","label":"22","reference":"Jonsson S, Kaltenbach K, Petzow G (1982) Phase relations in the beryllium-rich section of the system beryllium-copperiron. Z Metallkd 73:534–539","status":"resolved","year":"1982"}],"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":4,"id":"ORC-LX22URCQWT","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":16},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.827},"composition_source":"printed","phase":"(βBe)"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ + (βBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1472.0,"temperature_printed":"1472","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1472.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-JDPFF6OJY6","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":17},"model":"Md7626f18","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.808},"composition_source":"printed","phase":"Liquid"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.785},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.837},"composition_source":"printed","phase":"(βBe)"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ + (βBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1474.6,"temperature_printed":"1474.6","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1474.6},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Jacobson","kind":"unknown","label":"18","reference":"Jacobson MI, Hammond ML (1966) Beryllium-rich end of five binary systems. Metall Soc Conf 33:179–195","status":"resolved","year":"1966"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"experimental","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":true,"review_state":"extracted","row_state":"settled","state_fully_specified":true},"fold_lpo":4,"fold_lso":4,"id":"ORC-FWXD5WE4RI","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":18},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(αBe)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"(βBe) ↔ δ + (αBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1363.0,"temperature_uncertainty":{"basis":"printed","value":5.0},"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":{"kind":"plus_minus_coverage_not_stated","taken_as":"1 sigma","value":5.0},"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1363.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Gelles","kind":"unknown","label":"17","reference":"Gelles SH, Pickett JJ, Levine ED, Nowak WB (1963) The stability of the high-temperature phase in beryllium and beryllium alloys. Inst Metals Monograph Rept Ser 28:588–600","status":"resolved","year":"1963"}],"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":4,"id":"ORC-LUJDRBNY3S","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":19},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(αBe)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"(βBe) ↔ δ + (αBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1390.0,"temperature_printed":"1390","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":0.05},"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":1390.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Jonsson","kind":"unknown","label":"22","reference":"Jonsson S, Kaltenbach K, Petzow G (1982) Phase relations in the beryllium-rich section of the system beryllium-copperiron. Z Metallkd 73:534–539","status":"resolved","year":"1982"}],"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":4,"id":"ORC-2IB4SBXHRS","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":20},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.905},"composition_source":"printed","phase":"(αBe)"}],"phases":[{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(αBe)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"(βBe) ↔ δ + (αBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1382.0,"temperature_printed":"1382","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1382.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-HUIGPIHOG5","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":21},"model":"Md7626f18","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.872},"composition_source":"printed","phase":"(βBe)"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.803},"composition_source":"printed","phase":"δ"},{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.914},"composition_source":"printed","phase":"(αBe)"}],"phases":[{"label":"(βBe)","model_phase":"BCC_A2","pearson_symbol":"cI2","prototype":"W","structure_basis":"mapped_model_phase"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"},{"label":"(αBe)","model_phase":"HCP_A3","pearson_symbol":"hP2","prototype":"Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"(βBe) ↔ δ + (αBe)"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1393.0,"temperature_printed":"1393.0","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.005,"sigma_method":{"basis":"calibrated","ci95":[0.004448,0.004448],"class":"model_calculated","entry":"model/X_PHASE","floor":0.005,"floor_unit":"mole fraction","n_pairs":16730,"value":0.005},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1393.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Losana","kind":"unknown","label":"14","reference":"Losana L, Venturello G (1942) Beryllium alloys. IV. The system Cu–Be. Alluminio 11:8–16","status":"resolved","year":"1942"}],"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":4,"id":"ORC-GYT6NODWFV","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":22},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1512.0,"temperature_printed":"1512","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":0.05},"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":1512.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Borchers","kind":"unknown","label":"10","reference":"Borchers H (1932) Examination of the system: copperberyllium. Metallwirtsch Metallwiss Metalltech 11:317–330","status":"resolved","year":"1932"}],"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":4,"id":"ORC-3XB25XD256","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":23},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_before_1980_assumed_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1488.0,"temperature_printed":"1488","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":0.05},"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":1488.0},{"chemical_system":"BE-CU","cited_sources":[{"first_author":"Jonsson","kind":"unknown","label":"22","reference":"Jonsson S, Kaltenbach K, Petzow G (1982) Phase relations in the beryllium-rich section of the system beryllium-copperiron. Z Metallkd 73:534–539","status":"resolved","year":"1982"}],"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":4,"id":"ORC-2AWQ3CLFZQ","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":24},"observation_type":"invariant_reaction","origin":{"basis":"cited_work_title_experimental","class":"experimental","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.78},"composition_source":"printed","phase":"Liquid"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1492.0,"temperature_printed":"1492","temperature_uncertainty":{"basis":"stated_default","value":2.0},"tool_release":"v2.1.19n","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"composition":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":0.011,"sigma_method":{"basis":"calibrated","ci95":[0.010484,0.011532],"class":"unknown","entry":"value_types/X_PHASE/classes/unknown","floor":0.011,"floor_unit":"mole fraction","n_pairs":3014,"value":0.011},"sigma_printed":null,"sigma_reading":{"basis":"last_stored_digit","value":0.005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":11.0,"sigma_method":{"basis":"calibrated","ci95":[9.435209,10.483565],"class":"unknown","entry":"value_types/T_INVARIANT/classes/unknown","floor":11.0,"floor_unit":"K","n_pairs":4912,"value":11.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1492.0},{"chemical_system":"BE-CU","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":4,"id":"ORC-ENZY4VHD3C","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/tab-4","row":25},"model":"Md7626f18","observation_type":"invariant_reaction","origin":{"basis":"this_work+paper_text_states_calculated","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","phase_compositions":[{"basis":"mole_fraction (converted from atomic percent)","composition":{"BE":0.765},"composition_source":"printed","phase":"Liquid"}],"phases":[{"label":"Liquid","model_phase":"LIQUID"},{"label":"δ","model_phase":"C15_LAVES","pearson_symbol":"cF24","prototype":"Cu2Mg","structure_basis":"mapped_model_phase"}],"pid":"doi:10.1007/s10853-017-1777-z/p9/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":"Liquid ↔ δ","type":"congruent melting","type_basis":"derived_from_printed_reaction"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash+claude","readers":["claude-opus-5.5","gemini-3.8-flash","text_layer"],"record_kind":"invariant_table","source_system":"BE-CU","system":"BE-CU","temperature_K":1471.3,"temperature_printed":"1471.3","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":0.0005},"sigma_scatter":null,"unit":"mole fraction","value_type":"X_PHASE"},"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1471.3},{"chemical_system":"BE-CU","citations_printed":["28"],"cited_sources":[{"doi":"10.1007/bf02874919","first_author":"Chakrabarti","kind":"assessment","label":"28","paper":"doi:10.1007/bf02874919","reference":"Chakrabarti DJ, Tanner LE (1987) The Be–Cu (beryllium– copper) system. Bull Alloy Phase Diagrams 8:269–282","status":"resolved","year":"1987"}],"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":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-GXTO7VGZHD.126903","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p6/text-02"},"observation_type":"phase_transition","origin":{"class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","pid":"doi:10.1007/s10853-017-1777-z/p6/text-02/s04#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"In the phase diagram assessed by Chakrabarti and Tanner [28], there is a b (bcc_A2) phase, which is stable in the Cu-rich side with two peritectic equilibria: one among d, liquid, and c (bcc_B2) at 1203 K in the middle of the system and the other among b (bcc_A2), liquid, and (Cu) at 1139 K in the Cu-rich side.","quote_page":6,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"BE-CU","system":"BE-CU","temperature_K":1139.0,"temperature_printed":"1139 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1139.0},{"chemical_system":"BE-CU","citations_printed":["28"],"cited_sources":[{"doi":"10.1007/bf02874919","first_author":"Chakrabarti","kind":"assessment","label":"28","paper":"doi:10.1007/bf02874919","reference":"Chakrabarti DJ, Tanner LE (1987) The Be–Cu (beryllium– copper) system. Bull Alloy Phase Diagrams 8:269–282","status":"resolved","year":"1987"}],"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":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"INVARIANT_TEMPERATURE without the phases of its state (reactions_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-GXTO7VGZHD.520a2d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p6/text-02"},"observation_type":"phase_transition","origin":{"class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","pid":"doi:10.1007/s10853-017-1777-z/p6/text-02/s04#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"In the phase diagram assessed by Chakrabarti and Tanner [28], there is a b (bcc_A2) phase, which is stable in the Cu-rich side with two peritectic equilibria: one among d, liquid, and c (bcc_B2) at 1203 K in the middle of the system and the other among b (bcc_A2), liquid, and (Cu) at 1139 K in the Cu-rich side.","quote_page":6,"reaction":{"type":"peritectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"BE-CU","system":"BE-CU","temperature_K":1203.0,"temperature_printed":"1203 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"peritectic","transition_kind_printed":"peritectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":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":1203.0},{"chemical_system":"BE-CU","citations_printed":["28"],"cited_sources":[{"doi":"10.1007/bf02874919","first_author":"Chakrabarti","kind":"assessment","label":"28","paper":"doi:10.1007/bf02874919","reference":"Chakrabarti DJ, Tanner LE (1987) The Be–Cu (beryllium– copper) system. Bull Alloy Phase Diagrams 8:269–282","status":"resolved","year":"1987"}],"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":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-KOZIRO4GH7","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p6/text-02"},"observation_type":"phase_transition","origin":{"class":"model_value","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","pid":"doi:10.1007/s10853-017-1777-z/p6/text-02/s05#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"Chakrabarti and Tanner [28] proposed a minimum at 1133 K in the liquidus line between these two peritectic equilibria.","quote_page":6,"reaction":{"type":"other"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"BE-CU","system":"BE-CU","temperature_K":1133.0,"temperature_printed":"1133 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"other","transition_kind_printed":"liquidus","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1133.0},{"chemical_system":"BE-CU","citations_printed":["7"],"cited_sources":[{"doi":"10.1016/0364-5916(91)90030-n","first_author":"Dinsdale","kind":"assessment","label":"7","paper":"doi:10.1016/0364-5916(91)90030-n","reference":"Dinsdale AT (1991) SGTE data for pure elements. Calphad 15:317–425","status":"resolved","year":"1991"}],"conditions":{"kind":"cited_source","note":"conditions in the cited source"},"evidence_class":"model","flags":{"calphad_check":"not_available","dropped_field_count":1,"espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"has_dropped_fields":true,"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"TRANSITION_TEMPERATURE without the phases of its state (not_a_single_phase_transition)","effect":"not_accepted","gate":"R3"}],"id":"ORC-VGY6R7WES6","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p6/text-02"},"observation_type":"phase_transition","origin":{"class":"model_value","measured_in":"doi:10.1016/0364-5916(91)90030-n","own_work_of_paper":false},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","pid":"doi:10.1007/s10853-017-1777-z/p6/text-02/s06#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"TRANSITION_TEMPERATURE","property_group":"phase transition","quote":"However, the SGTE unary database [7] provides a melting point for the metastable pure bcc_A2 Cu at 1082 K, which is lower than the experimental three-phase equilibrium (Cu) ? liquid ? b.","quote_page":6,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"BE-CU","system":"BE-CU","temperature_K":1082.0,"temperature_printed":"1082 K","tool_release":"release v2 + tools dev copy record build","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":10.0,"sigma_method":{"basis":"prior","ci95":null,"class":"model_calculated","entry":"model/T_TRANSITION","floor":10.0,"floor_unit":"K","n_pairs":129,"value":10.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.05},"sigma_scatter":null,"unit":"K","value_type":"T_TRANSITION"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1082.0},{"chemical_system":"BE-CU","conditions":{"kind":"not_applicable_own_calculation"},"corrections":[{"after":298.15,"before":298.0,"evidence":{"printed":"298 K"},"field":"temperature_K","gate":"G1","rule":"standard_reference_temperature"}],"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":4,"fold_lso":4,"gate_failures":[{"code":"state_phases_missing","detail":"HM_FORM without the phases of its state (compounds_in_quote:0)","effect":"not_accepted","gate":"R3"}],"id":"ORC-Y67XBMVAGJ","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1007/s10853-017-1777-z/p9/text-03"},"observation_type":"equilibrium_property","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1007/s10853-017-1777-z","own_work_of_paper":true},"paper":"doi:10.1007/s10853-017-1777-z","paper_id":"doi:10.1007/s10853-017-1777-z","pid":"doi:10.1007/s10853-017-1777-z/p9/text-03/s01#equilibrium_property","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"HM_FORM","property_group":"formation","property_printed":"enthalpy of formation","quote":"The calculated enthalpy of formation for c (bcc_B2) phase at 298 K using the present thermodynamic parameters is - 9.29 kJ/mol of atom, which is in a good agreement with the DFT calculated value, - 9.88 kJ/mol of atom.","quote_page":9,"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"BE-CU","system":"BE-CU","temperature_K":298.15,"temperature_K_stored":298.0,"temperature_printed":"298 K","tool_release":"release v2 + tools dev copy record build","uncertainty":{"basis":"stated_default","note":"10% placeholder; none printed","value":0.929},"uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":3.9,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.54664],"class":"model_calculated","entry":"model/HM_FORM","floor":3.9,"floor_unit":"kJ/mol-atom","n_pairs":2045,"value":3.9},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"kJ/mol-atom","value_type":"HM_FORM"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"kJ/mol-atom","unit_basis":"printed_unit","unit_stored":"kJ/mol of atom","value":-9.29,"value_stored":-9.29}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"BE-CU"}