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an eutectic at 1477.07 K: 39.9% Fe-15.1% Nb-45% Ni Liq. ⇔ 45% Fe-31.8% Nb-23.2% Ni C14 + 6.2% Fe-24.4% Nb-69.4% Ni D0a + 58.2% Fe-5.9% Nb-35.9% Ni fcc_A1, but for a liquid composition too rich in Fe and not enough in Nb or Ni compared to the liquid composition of [7], - and a pseudobinary invariant at 1564.05 K: 14.9% Fe-27.4% Nb -57.7% Ni Liq. ⇔ 39.8% Fe-33.1% Nb-27.1% Ni C14 + 4.2% Fe -25.1% Nb-70.7% Ni D0a .","quote_page":14,"reaction":{"printed":"Liq. ⇔ C14 + D0a","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"FE-NB-NI","system":"FE-NB-NI","temperature_K":1564.05,"temperature_printed":"1564.05 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1564.05},{"chemical_system":"FE-NB-NI","conditions":{"kind":"not_applicable_own_calculation"},"evidence_class":"model","flags":{"calphad_check":"not_available","espei_certified":false,"espei_ready":false,"extraction_accepted":false,"gate_failures":["state_phases_missing"],"review_state":"extracted","second_reader":"done","value_in_quote":true},"fold_lpo":1,"fold_lso":2,"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-OMJAHQM42A.a7db6d","link_rule":"quote verbatim on one page/passage + printed value inside quote","locator":{"ref":"doi:10.1016/j.calphad.2008.10.005/p14/text-05"},"observation_type":"phase_transition","origin":{"attribution_note":"no printed citation: the paper's own statement","class":"model_value","measured_in":"doi:10.1016/j.calphad.2008.10.005","own_work_of_paper":true},"paper":"doi:10.1016/j.calphad.2008.10.005","paper_id":"doi:10.1016/j.calphad.2008.10.005","pid":"doi:10.1016/j.calphad.2008.10.005/p14/text-05/s02#phase_transition","pressure_Pa":101325,"pressure_basis":"assumed_default_1_atm_not_printed","pressure_basis_stored":"stated_default_1_atm","property":"INVARIANT_TEMPERATURE","property_group":"invariant reaction","quote":"Therefore we obtained: - an eutectic at 1477.07 K: 39.9% Fe-15.1% Nb-45% Ni Liq. ⇔ 45% Fe-31.8% Nb-23.2% Ni C14 + 6.2% Fe-24.4% Nb-69.4% Ni D0a + 58.2% Fe-5.9% Nb-35.9% Ni fcc_A1, but for a liquid composition too rich in Fe and not enough in Nb or Ni compared to the liquid composition of [7], - and a pseudobinary invariant at 1564.05 K: 14.9% Fe-27.4% Nb -57.7% Ni Liq. ⇔ 39.8% Fe-33.1% Nb-27.1% Ni C14 + 4.2% Fe -25.1% Nb-70.7% Ni D0a .","quote_page":14,"reaction":{"printed":"Liq. ⇔ C14 + D0a + fcc_A1","type":"eutectic"},"reader_agreement":"multi_reader","reader_agreement_basis":"derived_from_readers","reader_agreement_label":"confirmed (two or more readers)","reader_tier":"preliminary_flash","readers":["claude-opus-5.5","gemini-3.8-flash"],"record_kind":"running_text","source_system":"FE-NB-NI","system":"FE-NB-NI","temperature_K":1477.07,"temperature_printed":"1477.07 K","tool_release":"release v2 + tools dev copy record build","transition_kind":"eutectic","transition_kind_printed":"eutectic","uncertainty_budget":{"calibration":"orchid-uncertainty-calibration 2026-10-24 (audit round 2) sha256 6a2b5a92b0ec","quantities":{"value":{"sigma_composition":null,"sigma_conversion":null,"sigma_effective":4.0,"sigma_method":{"basis":"calibrated","ci95":[3.11346,4.29954],"class":"model_calculated","entry":"model/T_INVARIANT","floor":4.0,"floor_unit":"K","n_pairs":14146,"value":4.0},"sigma_printed":null,"sigma_reading":{"basis":"last_printed_digit","value":0.005},"sigma_scatter":null,"unit":"K","value_type":"T_INVARIANT"}},"sigma_rule":"max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter)"},"unit":"K","value":1477.07}],"release":"orchid-literature 2026-10-23 (record store db-v2.1: invariant/general v2.1.19r, text+context fixup-20261022)","system":"FE-NB-NI"}