Cu–Fe–Ta system

28 accepted literature values from 1 paper(s) (experimental 21, model 7); 0 calculated phase diagram(s). 3 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	21
model	7

Accepted values by property group
Property group	Values
invariant reaction	7
phase equilibrium	21

Invariant reactions (literature)

Invariant reactions reported in the literature for the Cu–Fe–Ta system (7)
T (K)	Reaction / phases	Class	Source	Location
1982.55	eutectic: Liquid1 -> liquid2 + μ+ (Ta)	model	[1] Liu 2015	Table 6, p. 10, row 1 report
1842.85	quasi-peritectic: Liquid1 + μ -> λ1 + liquid2	model	[1] Liu 2015	Table 6, p. 10, row 3 report
1672.75	quasi-peritectic: Liquid2 + (δFe) -> λ1 + (γFe)	model	[1] Liu 2015	Table 6, p. 10, row 5 report
1628.05	eutectic: Liquid1 -> λ1 + (γFe) + liquid2	model	[1] Liu 2015	Table 6, p. 10, row 6 report
1367.55	quasi-peritectic: Liquid1 + (γFe) -> λ2 + (Cu)	model	[1] Liu 2015	Table 6, p. 10, row 8 report
1352.75	quasi-peritectic: Liquid1 + λ2 -> μ + (Cu)	model	[1] Liu 2015	Table 6, p. 10, row 9 report
1339.75	quasi-peritectic: Liquid1 + μ -> (Ta) + (Cu)	model	[1] Liu 2015	Table 6, p. 10, row 10 report

Other properties

Phase equilibrium (21)

Phase equilibrium, Cu–Fe–Ta system
Property	T (K)	Phases / composition	Class	Source	Location
Phase composition	1273.15	(γFe) + λ + (Cu) (γFe): Cu 0.056, Fe 0.94, Ta 0.004; λ: Cu 0.017, Fe 0.705, Ta 0.278; (Cu): Cu 0.956, Fe 0.042, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 2 report
Phase composition	1273.15	(γFe) + λ + (Cu) (γFe): Cu 0.056, Fe 0.94, Ta 0.004; λ: Cu 0.008, Fe 0.723, Ta 0.269; (Cu): Cu 0.936, Fe 0.061, Ta 0.003	experimental	[1] Liu 2015	Table 1, p. 5, row 1 report
Phase composition	1273.15	(γFe) + λ + (Cu) (γFe): Cu 0.068, Fe 0.928, Ta 0.004; λ: Cu 0.014, Fe 0.7, Ta 0.286; (Cu): Cu 0.961, Fe 0.037, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 3 report
Phase composition	1273.15	(γFe) + λ + (Cu) (γFe): Cu 0.066, Fe 0.93, Ta 0.004; λ: Cu 0.029, Fe 0.683, Ta 0.288; (Cu): Cu 0.961, Fe 0.039, Ta 0	experimental	[1] Liu 2015	Table 1, p. 5, row 4 report
Phase composition	1273.15	μ + (Ta) + (Cu) μ: Cu 0.064, Fe 0.38, Ta 0.556; (Ta): Cu 0.022, Fe 0.045, Ta 0.933; (Cu): Cu 0.995, Fe 0.002, Ta 0.003	experimental	[1] Liu 2015	Table 1, p. 5, row 7 report
Phase composition	1273.15	μ + (Ta) + (Cu) μ: Cu 0.068, Fe 0.39, Ta 0.542; (Ta): Cu 0.029, Fe 0.055, Ta 0.916; (Cu): Cu 0.991, Fe 0.004, Ta 0.005	experimental	[1] Liu 2015	Table 1, p. 5, row 6 report
Phase composition	1273.15	μ + λ + (Cu) μ: Cu 0.041, Fe 0.478, Ta 0.481; λ: Cu 0.039, Fe 0.564, Ta 0.397; (Cu): Cu 0.982, Fe 0.014, Ta 0.004	experimental	[1] Liu 2015	Table 1, p. 5, row 5 report
Phase composition	1373.15	(γFe) + λ + liquid (γFe): Cu 0.078, Fe 0.918, Ta 0.004; λ: Cu 0.013, Fe 0.69, Ta 0.297; liquid: Cu 0.948, Fe 0.05, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 8 report
Phase composition	1373.15	(γFe) + λ + liquid (γFe): Cu 0.077, Fe 0.918, Ta 0.005; λ: Cu 0.01, Fe 0.7, Ta 0.29; liquid: Cu 0.966, Fe 0.032, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 10 report
Phase composition	1373.15	(γFe) + λ + liquid (γFe): Cu 0.08, Fe 0.915, Ta 0.005; λ: Cu 0.013, Fe 0.695, Ta 0.292; liquid: Cu 0.921, Fe 0.076, Ta 0.003	experimental	[1] Liu 2015	Table 1, p. 5, row 9 report
Phase composition	1373.15	(γFe) + λ + liquid (γFe): Cu 0.078, Fe 0.917, Ta 0.005; λ: Cu 0.01, Fe 0.697, Ta 0.293; liquid: Cu 0.974, Fe 0.024, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 11 report
Phase composition	1373.15	μ + (Ta) + liquid μ: Cu 0.036, Fe 0.411, Ta 0.553; (Ta): Cu 0.015, Fe 0.022, Ta 0.963; liquid: Cu 0.996, Fe 0.002, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 13 report
Phase composition	1373.15	μ + (Ta) + liquid μ: Cu 0.056, Fe 0.385, Ta 0.559; (Ta): Cu 0.013, Fe 0.019, Ta 0.968; liquid: Cu 0.985, Fe 0.008, Ta 0.007	experimental	[1] Liu 2015	Table 1, p. 5, row 14 report
Phase composition	1373.15	μ + λ + liquid μ: Cu 0.032, Fe 0.501, Ta 0.467; λ: Cu 0.021, Fe 0.635, Ta 0.344; liquid: Cu 0.941, Fe 0.043, Ta 0.016	experimental	[1] Liu 2015	Table 1, p. 5, row 12 report
Phase composition	1473.15	(γFe) + λ + liquid (γFe): Cu 0.097, Fe 0.896, Ta 0.007; λ: Cu 0.013, Fe 0.688, Ta 0.299; liquid: Cu 0.963, Fe 0.035, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 17 report
Phase composition	1473.15	(γFe) + λ + liquid (γFe): Cu 0.096, Fe 0.896, Ta 0.008; λ: Cu 0.014, Fe 0.68, Ta 0.306; liquid: Cu 0.964, Fe 0.034, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 18 report
Phase composition	1473.15	(γFe) + λ + liquid (γFe): Cu 0.098, Fe 0.894, Ta 0.008; λ: Cu 0.014, Fe 0.686, Ta 0.3; liquid: Cu 0.965, Fe 0.034, Ta 0.001	experimental	[1] Liu 2015	Table 1, p. 5, row 15 report
Phase composition	1473.15	(γFe) + λ + liquid (γFe): Cu 0.097, Fe 0.897, Ta 0.006; λ: Cu 0.01, Fe 0.69, Ta 0.3; liquid: Cu 0.962, Fe 0.036, Ta 0.002	experimental	[1] Liu 2015	Table 1, p. 5, row 16 report
Phase composition	1473.15	μ + (Ta) + liquid μ: Cu 0.071, Fe 0.359, Ta 0.57; (Ta): Cu 0.023, Fe 0.032, Ta 0.945; liquid: Cu 0.988, Fe 0.006, Ta 0.006	experimental	[1] Liu 2015	Table 1, p. 5, row 21 report
Phase composition	1473.15	μ + (Ta) + liquid μ: Cu 0.062, Fe 0.384, Ta 0.554; (Ta): Cu 0.01, Fe 0.021, Ta 0.969; liquid: Cu 0.987, Fe 0.007, Ta 0.006	experimental	[1] Liu 2015	Table 1, p. 5, row 20 report
Phase composition	1473.15	μ + λ + liquid μ: Cu 0.028, Fe 0.5, Ta 0.472; λ: Cu 0.007, Fe 0.664, Ta 0.329; liquid: Cu 0.964, Fe 0.033, Ta 0.003	experimental	[1] Liu 2015	Table 1, p. 5, row 19 report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

Xingjun Liu, Wenliang Huang, Yihui Guo, Shuiyuan Yang, Yong Lu, Cuiping Wang, Experimental Investigation and Thermodynamic Calculation of the Phase Equilibria in the Cu-Fe-Ta System, J. Phase Equilib. Diffus. 36, 28-38 (2015). doi:10.1007/s11669-014-0349-z

Please cite

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). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

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); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0). 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.

@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}