# Co–Cr–Fe–Ni system

> Co–Cr–Fe–Ni system: 2 accepted literature values (mixing / partial 2) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/CO-CR-FE-NI.html · Markdown: https://data.orchid-project.org/systems/CO-CR-FE-NI.md

2 accepted literature values from 1 paper(s) (DFT 2); 0 calculated phase diagram(s).

Data: [JSON](https://data.orchid-project.org/literature/systems/CO-CR-FE-NI.json) · [CSV](https://data.orchid-project.org/systems/CO-CR-FE-NI.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CO-CR-FE-NI) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CO-CR-FE-NI.html) · [Markdown](https://data.orchid-project.org/systems/CO-CR-FE-NI.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| DFT | 2 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| mixing / partial | 2 |

## Other properties

### Mixing / partial (2)

Table: Mixing / partial, Co–Cr–Fe–Ni system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Enthalpy of mixing; _printed: ΔmixH^extrapolation_ | -9.786 kJ/mol-atom |  | fcc; _alloy: Co 0.25, Cr 0.25, Fe 0.25, Ni 0.25_ | DFT | [1] Bracq 2021 | Table 1, p. 4, row 22; `ORC-EHJZRPQO3P.21b55f` |  |
| Enthalpy of mixing; _printed: ΔmixH^SQS_ | -6.475 kJ/mol-atom |  | fcc; _alloy: Co 0.25, Cr 0.25, Fe 0.25, Ni 0.25_ | DFT | [1] Bracq 2021 | Table 1, p. 4, row 22; `ORC-EHJZRPQO3P.79ff17` |  |

## Sources

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

1. Guillaume Bracq, Jean-Claude Crivello, Mathilde Laurent-Brocq, Jean-Marc Joubert, Ivan Guillot, What is the Enthalpy Contribution to the Stabilization of the Co–Cr–Fe–Mn–Ni Faced-centered Cubic Solid Solution?, J. Phase Equilib. Diffus. 42, 561-570 (2021). [doi:10.1007/s11669-021-00922-9](https://doi.org/10.1007/s11669-021-00922-9)

## 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). https://doi.org/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). https://doi.org/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.

```bibtex
@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}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).