Al–Co–Cr–Ni system

94 accepted literature values from 1 paper(s) (experimental 21, model 8, DFT 65); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	21
model	8
DFT	65

Accepted values by property group
Property group	Values
formation	88
mixing / partial	6

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Al–Co–Cr–Ni system (45)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
B2	AlNi	-67.4 kJ/mol-atom ± 2.55		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2	AlNi	-67.18 kJ/mol-atom	298.15	model	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 84	Table 4, p. 38, row 8 report
B2	AlNi	-67 kJ/mol-atom		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2	AlNi	-66.4 kJ/mol-atom ± 2		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2	AlNi	-66.1 kJ/mol-atom ± 1.3	298.15	experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 6 report
B2	AlNi	-66 kJ/mol-atom ± 0.13		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2		-64.211 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 5 report
B2	AlNi	-62 kJ/mol-atom		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2	AlCo	-60.7 kJ/mol-atom ± 0.5	298.15	experimental	-58.998 (mp-aaaaaaky)	-58.889 (oqmd-10411)	[1] Liu 2016 cites ref. 82	Table 4, p. 38, row 3 report
B2	AlCo	-59.5 kJ/mol-atom	298.15	experimental	-58.998 (mp-aaaaaaky)	-58.889 (oqmd-10411)	[1] Liu 2016 cites ref. 81	Table 4, p. 38, row 2 report
B2	AlNi	-58.3 kJ/mol-atom ± 1.1		experimental	-63.568 (mp-aaaaacff)	-64.592 (oqmd-94913)	[1] Liu 2016 cites ref. 83	Table 4, p. 38, row 7 report
B2		-57.673 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 1 report
B2		-2.776 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 4 report
γ'-L12	AlNi3	-47 kJ/mol-atom		experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 85	Table 4, p. 38, row 23 report
γ'-L12	AlNi3	-46.39 kJ/mol-atom	298.15	model	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 84	Table 4, p. 38, row 25 report
γ'-L12	AlNi3	-45.6 kJ/mol-atom ± 1.1	298.15	experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
γ'-L12	AlNi3	-42.38 kJ/mol-atom	298.15	model	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 86	Table 4, p. 38, row 26 report
γ'-L12		-42.126 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 20 report
γ'-L12	AlNi3	-41.3 kJ/mol-atom ± 1.3	298.15	experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 85	Table 4, p. 38, row 22 report
γ'-L12	AlNi3	-40.6 kJ/mol-atom ± 1	298.15	experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 25	Table 4, p. 38, row 21 report
γ'-L12	AlNi3	-40.6 kJ/mol-atom ± 1		experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 85	Table 4, p. 38, row 23 report
γ'-L12	AlNi3	-38.2 kJ/mol-atom ± 5		experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 85	Table 4, p. 38, row 23 report
γ'-L12	AlNi3	-37.6 kJ/mol-atom ± 4.2		experimental	-41.884 (mp-aaaaadvt)	-42.323 (oqmd-17890)	[1] Liu 2016 cites ref. 85	Table 4, p. 38, row 23 report
γ'-L12	Al3Ni	-22.9 kJ/mol-atom	298.15	model	-39.068 (mp-aaabjkld)	-21.441 (oqmd-344444)	[1] Liu 2016 cites ref. 86	Table 4, p. 38, row 19 report
γ'-L12	Al3Co	-22.6 kJ/mol-atom	298.15	model	-39.153 (mp-aaacrxmd)	-20.871 (oqmd-349288)	[1] Liu 2016 cites ref. 86	Table 4, p. 38, row 13 report
γ'-L12		-21.175 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 18 report
γ'-L12		-20.035 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 12 report
γ'-L12	AlCo3	-19.9 kJ/mol-atom	298.15	model	-17.651 (mp-aaacfybt)	-18.566 (oqmd-345882)	[1] Liu 2016 cites ref. 86	Table 4, p. 38, row 15 report
γ'-L12		-17.345 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 14 report
γ'-L12		-12.94 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 17 report
γ'-L12		-9.197 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 4, p. 38, row 16 report
σ		-33.053 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 13 report
σ		-29.5 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 12 report
σ		-24.582 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 11 report
σ		-13.385 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 10 report
σ		1.736 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 2 report
σ		6.193 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 5 report
σ		8.339 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 9 report
σ		8.39 kJ/mol-atom	298.15	model			[1] Liu 2016 cites ref. 88	Table 5, p. 39, row 6 report
σ		8.981 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 8 report
σ		9.615 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 3 report
σ		10.976 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 1 report
σ		11.65 kJ/mol-atom	298.15	model			[1] Liu 2016 cites ref. 88	Table 5, p. 39, row 4 report
σ		16.647 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 14 report
σ		23.057 kJ/mol-atom	298.15	DFT			[1] Liu 2016	Table 5, p. 39, row 15 report

Other properties

Formation (43)

Formation, Al–Co–Cr–Ni system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Entropy of formation printed: ΔfS298	-4.241 J/mol-atom/K	298.15	B2 alloy: Co 0, Cr 0, Ni 0.5	DFT	[1] Liu 2016	Table 4, p. 38, row 5 report
Entropy of formation printed: ΔfS298	-6.449 J/mol-atom/K	298.15	B2 alloy: Co 0, Cr 0.5, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 4 report
Entropy of formation printed: ΔfS298	-8.231 J/mol-atom/K	298.15	B2 alloy: Co 0.5, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 1 report
Entropy of formation printed: ΔfS298	-1.268 J/mol-atom/K	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.25	DFT	[1] Liu 2016	Table 4, p. 38, row 18 report
Entropy of formation printed: ΔfS298	4.043 J/mol-atom/K	298.15	γ'-L12 alloy: Co 0.75, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 14 report
Entropy of formation printed: ΔfS298	-4.05 J/mol-atom/K ± 1.2	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	experimental	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
Entropy of formation printed: ΔfS298	-2.187 J/mol-atom/K	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	DFT	[1] Liu 2016	Table 4, p. 38, row 20 report
Entropy of formation printed: ΔfS298	-5.627 J/mol-atom/K	298.15	γ'-L12 alloy: Co 0.25, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 12 report
Entropy of formation printed: ΔfS298	-6.699 J/mol-atom/K	298.15	γ'-L12 alloy: Co 0, Cr 0.25, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 16 report
Entropy of formation printed: ΔfS298	3.597 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 3 report
Entropy of formation printed: ΔfS298	-0.119 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 12 report
Entropy of formation printed: ΔfS298	-4.048 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 11 report
Entropy of formation printed: ΔfS298	-1.127 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 10 report
Entropy of formation printed: ΔfS298	-4.952 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 13 report
Entropy of formation printed: ΔfS298	5.048 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 8 report
Entropy of formation printed: ΔfS298	-2.624 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 2 report
Entropy of formation printed: ΔfS298	-2.663 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 9 report
Entropy of formation printed: ΔfS298	3.533 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 14 report
Entropy of formation printed: ΔfS298	0.157 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 5 report
Entropy of formation printed: ΔfS298	1.456 unknown	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 15 report
Gibbs energy of formation printed: ΔfG298	-62.947 kJ/mol-atom	298.15	B2 alloy: Co 0, Cr 0, Ni 0.5	DFT	[1] Liu 2016	Table 4, p. 38, row 5 report
Gibbs energy of formation printed: ΔfG298	-0.854 kJ/mol-atom	298.15	B2 alloy: Co 0, Cr 0.5, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 4 report
Gibbs energy of formation printed: ΔfG298	-55.22 kJ/mol-atom	298.15	B2 alloy: Co 0.5, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 1 report
Gibbs energy of formation printed: ΔfG298	-20.798 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.25	DFT	[1] Liu 2016	Table 4, p. 38, row 18 report
Gibbs energy of formation printed: ΔfG298	-18.55 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0.75, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 14 report
Gibbs energy of formation printed: ΔfG298	-34.2 kJ/mol-atom ± 0.33	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	experimental	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
Gibbs energy of formation printed: ΔfG298	-36.2 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	experimental	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
Gibbs energy of formation printed: ΔfG298	-41.9 kJ/mol-atom ± 0.2	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	experimental	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
Gibbs energy of formation printed: ΔfG298	-47.5 kJ/mol-atom ± 1.1	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	experimental	[1] Liu 2016 cites ref. 87	Table 4, p. 38, row 24 report
Gibbs energy of formation printed: ΔfG298	-41.474 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0, Cr 0, Ni 0.75	DFT	[1] Liu 2016	Table 4, p. 38, row 20 report
Gibbs energy of formation printed: ΔfG298	-18.358 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0.25, Cr 0, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 12 report
Gibbs energy of formation printed: ΔfG298	-7.2 kJ/mol-atom	298.15	γ'-L12 alloy: Co 0, Cr 0.25, Ni 0	DFT	[1] Liu 2016	Table 4, p. 38, row 16 report
Gibbs energy of formation printed: ΔfG298	8.543 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 3 report
Gibbs energy of formation printed: ΔfG298	-29.208 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 12 report
Gibbs energy of formation printed: ΔfG298	-23.375 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 11 report
Gibbs energy of formation printed: ΔfG298	-13.049 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 10 report
Gibbs energy of formation printed: ΔfG298	-31.578 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 13 report
Gibbs energy of formation printed: ΔfG298	7.476 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 8 report
Gibbs energy of formation printed: ΔfG298	2.518 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 2 report
Gibbs energy of formation printed: ΔfG298	9.133 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 9 report
Gibbs energy of formation printed: ΔfG298	15.594 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 14 report
Gibbs energy of formation printed: ΔfG298	6.146 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 5 report
Gibbs energy of formation printed: ΔfG298	22.608 kJ/mol-atom	298.15	σ	DFT	[1] Liu 2016	Table 5, p. 39, row 15 report

Mixing / partial (6)

Mixing / partial, Al–Co–Cr–Ni system
Property	Value	Phases / composition	Class	Source	Location
Enthalpy of mixing printed: ΔHmix	-25.82 kJ/mol-atom	A2 alloy: Al 0.33, Co 0.33, Cr 0.01, Ni 0.33	DFT	[1] Liu 2016	Table 6, p. 40, row 26 report
Enthalpy of mixing printed: ΔHmix	-7.46 kJ/mol-atom	A2 alloy: Al 0.33, Co 0.33, Cr 0.33, Ni 0.01	DFT	[1] Liu 2016 cites Al11Cr2	Table 6, p. 40, row 22 report
Enthalpy of mixing printed: ΔHmix	3.83 kJ/mol-atom	A2 alloy: Al 0.01, Co 0.33, Cr 0.33, Ni 0.33	DFT	[1] Liu 2016	Table 6, p. 40, row 30 report
Enthalpy of mixing printed: ΔHmix	-15.33 kJ/mol-atom	γ alloy: Al 0.33, Co 0.33, Cr 0.33, Ni 0.01	DFT	[1] Liu 2016	Table 7, p. 41, row 22 report
Enthalpy of mixing printed: ΔHmix	-22.62 kJ/mol-atom	γ alloy: Al 0.33, Co 0.33, Cr 0.01, Ni 0.33	DFT	[1] Liu 2016	Table 7, p. 41, row 26 report
Enthalpy of mixing printed: ΔHmix	-5.9 kJ/mol-atom	γ alloy: Al 0.01, Co 0.33, Cr 0.33, Ni 0.33	DFT	[1] Liu 2016	Table 7, p. 41, row 30 report

Sources

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

Xuan L. Liu, Greta Lindwall, Thomas Gheno, Zi-Kui Liu, Thermodynamic modeling of Al–Co–Cr, Al–Co–Ni, Co–Cr–Ni ternary systems towards a description for Al–Co–Cr–Ni, Calphad 52, 125-142 (2016). doi:10.1016/j.calphad.2015.12.007

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}
}