# Ce–Fe system

> Ce–Fe system: 17 accepted literature values (invariant reaction 17) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

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

17 accepted literature values from 1 paper(s) (experimental 11, model 6); 3 calculated phase diagram(s). 3 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: [JSON](https://data.orchid-project.org/literature/systems/CE-FE.json) · [CSV](https://data.orchid-project.org/systems/CE-FE.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CE-FE) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#CE-FE/CeFe-06Su.json) · [phases (6)](https://data.orchid-project.org/phases/pages/CE-FE.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CE-FE.html) · [Markdown](https://data.orchid-project.org/systems/CE-FE.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 11 |
| model | 6 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 17 |

## Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| CeFe-06Su.tdb | X. Su, J.-C. Tedenac, Calphad, 30, 455-60(2006). [doi:10.1016/j.calphad.2006.06.003](https://doi.org/10.1016/j.calphad.2006.06.003) | `a87f5d2608ea5fa66762b617ddae9ef2b0d90b727a024ed84f592eef027f853e` | [viewer](https://orchid-project.org/phase-diagrams/#CE-FE/CeFe-06Su.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CeFe-06Su.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CeFe-06Su.json) |
| CeFe-19Zhu.tdb | D. Zhu, C. Xu, C. Li, C. Guo, Z. Du, Calphad, 64, 23-36(2019). [doi:10.1016/j.calphad.2018.11.009](https://doi.org/10.1016/j.calphad.2018.11.009) | `060cbd7329e66774e38145cdff23b1c5a3e9480bda24857446f02d3b6845c6e5` | [viewer](https://orchid-project.org/phase-diagrams/#CE-FE/CeFe-19Zhu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CeFe-19Zhu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CeFe-19Zhu.json) |
| CeFe-23Su.tdb | D. Su, K.C. Yang, M.H. Rong, P.P. Liu, Q.R. Yao, J. Wang, Q. Chen, G.H. Rao, H.Y. Zhou, Calphad, 80, 102506(2023). [doi:10.1016/j.calphad.2022.102506](https://doi.org/10.1016/j.calphad.2022.102506) | `6da70d9310da78a2162fd58fdb87b739e032543505133ea813a681df17d48672` | [viewer](https://orchid-project.org/phase-diagrams/#CE-FE/CeFe-23Su.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CeFe-23Su.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CeFe-23Su.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| CeFe-06Su.tdb | 1672.97 | LIQUID (x(Fe) 0.87179) + FCC_A1 (x(Fe) 0.99854) + BCC_A2 (x(Fe) 0.99873) |
| CeFe-06Su.tdb | 1336.6 | LIQUID (x(Fe) 0.57687) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.99897) |
| CeFe-06Su.tdb | 1336.6 | LIQUID (x(Fe) 0.57699) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.99897) |
| CeFe-06Su.tdb | 1198.11 | LIQUID (x(Fe) 0.46646) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-06Su.tdb | 1198.11 | LIQUID (x(Fe) 0.46672) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-06Su.tdb | 1198.11 | LIQUID (x(Fe) 0.46632) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-06Su.tdb | 1191.12 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.99925) + FCC_A1 (x(Fe) 0.99979) |
| CeFe-06Su.tdb | 1191.12 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.99925) + FCC_A1 (x(Fe) 0.99979) |
| CeFe-06Su.tdb | 999.15 | FCC_A1 (x(Fe) 3.000e-5) + BCC_A2 (x(Fe) 3.400e-4) + LIQUID (x(Fe) 0.04145) |
| CeFe-06Su.tdb | 999.15 | FCC_A1 (x(Fe) 3.000e-5) + BCC_A2 (x(Fe) 3.400e-4) + LIQUID (x(Fe) 0.04145) |
| CeFe-06Su.tdb | 868.51 | FCC_A1 (x(Fe) 8.000e-5) + LIQUID (x(Fe) 0.16092) + CEFE2_C15 (x(Fe) 0.66667) |
| CeFe-06Su.tdb | 868.51 | FCC_A1 (x(Fe) 8.000e-5) + LIQUID (x(Fe) 0.16106) + CEFE2_C15 (x(Fe) 0.66667) |
| CeFe-19Zhu.tdb | 1672.21 | LIQUID (x(Fe) 0.91365) + FCC_A1 (x(Fe) 0.99872) + BCC_A2 (x(Fe) 0.9989) |
| CeFe-19Zhu.tdb | 1336.35 | LIQUID (x(Fe) 0.63449) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.99878) |
| CeFe-19Zhu.tdb | 1336.35 | LIQUID (x(Fe) 0.63469) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.99878) |
| CeFe-19Zhu.tdb | 1198.32 | LIQUID (x(Fe) 0.47246) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-19Zhu.tdb | 1198.32 | LIQUID (x(Fe) 0.47264) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-19Zhu.tdb | 1198.32 | LIQUID (x(Fe) 0.47225) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-19Zhu.tdb | 1191.89 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.99916) + FCC_A1 (x(Fe) 0.99976) |
| CeFe-19Zhu.tdb | 1191.89 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.99916) + FCC_A1 (x(Fe) 0.99976) |
| CeFe-19Zhu.tdb | 999.06 | FCC_A1 (x(Fe) 3.000e-5) + BCC_A2 (x(Fe) 3.700e-4) + LIQUID (x(Fe) 0.04086) |
| CeFe-19Zhu.tdb | 999.06 | FCC_A1 (x(Fe) 3.000e-5) + BCC_A2 (x(Fe) 3.700e-4) + LIQUID (x(Fe) 0.04086) |
| CeFe-19Zhu.tdb | 865.99 | FCC_A1 (x(Fe) 7.000e-5) + LIQUID (x(Fe) 0.1499) + CEFE2_C15 (x(Fe) 0.66667) |
| CeFe-19Zhu.tdb | 865.99 | FCC_A1 (x(Fe) 7.000e-5) + LIQUID (x(Fe) 0.14995) + CEFE2_C15 (x(Fe) 0.66667) |
| CeFe-23Su.tdb | 1671.92 | LIQUID (x(Fe) 0.90292) + FCC_A1 (x(Fe) 0.99705) + BCC_A2 (x(Fe) 0.99721) |
| CeFe-23Su.tdb | 1344.81 | LIQUID (x(Fe) 0.57208) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.9974) |
| CeFe-23Su.tdb | 1344.81 | LIQUID (x(Fe) 0.57225) + CE2FE17 (x(Fe) 0.89474) + FCC_A1 (x(Fe) 0.9974) |
| CeFe-23Su.tdb | 1205.9 | LIQUID (x(Fe) 0.44434) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-23Su.tdb | 1205.9 | LIQUID (x(Fe) 0.44456) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-23Su.tdb | 1205.9 | LIQUID (x(Fe) 0.4442) + CEFE2_C15 (x(Fe) 0.66667) + CE2FE17 (x(Fe) 0.89474) |
| CeFe-23Su.tdb | 1196.98 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.99822) + FCC_A1 (x(Fe) 0.99922) |
| CeFe-23Su.tdb | 1196.97 | CE2FE17 (x(Fe) 0.89474) + BCC_A2 (x(Fe) 0.9982) + FCC_A1 (x(Fe) 0.99922) |
| CeFe-23Su.tdb | 999.03 | FCC_A1 (x(Fe) 8.000e-5) + BCC_A2 (x(Fe) 4.300e-4) + LIQUID (x(Fe) 0.04092) |
| CeFe-23Su.tdb | 999.03 | FCC_A1 (x(Fe) 8.000e-5) + BCC_A2 (x(Fe) 4.300e-4) + LIQUID (x(Fe) 0.04092) |
| CeFe-23Su.tdb | 864.63 | FCC_A1 (x(Fe) 2.000e-4) + LIQUID (x(Fe) 0.15195) + CEFE2_C15 (x(Fe) 0.66667) |
| CeFe-23Su.tdb | 864.63 | FCC_A1 (x(Fe) 2.000e-4) + LIQUID (x(Fe) 0.15197) + CEFE2_C15 (x(Fe) 0.66667) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/CE/CE-FE.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/CE/CE-FE.json) · [CALPHAD hull CeFe-06Su](https://data.orchid-project.org/hulls/calphad-sgte/CE/CE-FE--CeFe-06Su.json) · [CALPHAD hull CeFe-19Zhu](https://data.orchid-project.org/hulls/calphad-sgte/CE/CE-FE--CeFe-19Zhu.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Ce–Fe system (17)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 1673 | Liq. + (δFe) -> (γFe) | Liq.: Fe 0.887 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 3; `ORC-SB4TXU7DZ6` |  |
| 1672 | Liq. + (δFe) -> (γFe) | Liq.: Fe 0.883; (δFe): Fe 1; (γFe): Fe 1 | experimental | [1] Su 2006; _cites Chuang 1987_ | Table 4, p. 4, row 2; `ORC-4U2UOVHU7J` |  |
| 1672 | Liq. + (δFe) -> (γFe) | Liq.: Fe 0.9058; (δFe): Fe 0.9989; (γFe): Fe 0.9988 | model | [1] Su 2006 | Table 4, p. 4, row 1; `ORC-BO2RBZRVUB` |  |
| 1341 | Liq. + (γFe) -> Ce2Fe17 | Liq.: Fe 0.576; (γFe): Fe 1; Ce2Fe17: Fe 0.8947 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 9; `ORC-YXP7RWICQA` |  |
| 1336 | Liq. + (γFe) -> Ce2Fe17 | Liq.: Fe 0.595; (γFe): Fe 1; Ce2Fe17: Fe 0.8947 | experimental | [1] Su 2006; _cites Chuang 1987_ | Table 4, p. 4, row 8; `ORC-7SYGZIUOUV` |  |
| 1336 | Liq. + (γFe) -> Ce2Fe17 | Liq.: Fe 0.5896; (γFe): Fe 0.999; Ce2Fe17: Fe 0.8947 | model | [1] Su 2006 | Table 4, p. 4, row 7; `ORC-UDSXPSYJQD` |  |
| 1205 | Liq. + Ce2Fe17 -> CeFe2 | Liq.: Fe 0.45; Ce2Fe17: Fe 0.8947; CeFe2: Fe 0.6667 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 12; `ORC-W6RO23DCQC` |  |
| 1198 | Liq. + Ce2Fe17 -> CeFe2 | Liq.: Fe 0.459; Ce2Fe17: Fe 0.8947; CeFe2: Fe 0.6667 | experimental | [1] Su 2006; _cites Chuang 1987_ | Table 4, p. 4, row 11; `ORC-CQHVRJHYU5` |  |
| 1198 | Liq. + Ce2Fe17 -> CeFe2 | Liq.: Fe 0.4636; Ce2Fe17: Fe 0.8947; CeFe2: Fe 0.6667 | model | [1] Su 2006 | Table 4, p. 4, row 10; `ORC-JXTB5XRD4Z` |  |
| 1198 | (γFe) + Ce2Fe17 -> (αFe) | Ce2Fe17: Ce 0.105263, Fe 0.894737 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 6; `ORC-M34ZV67TCM` |  |
| 1195 | (γFe) + Ce2Fe17 -> (αFe) | (γFe): Fe 1; Ce2Fe17: Fe 0.8947; (αFe): Fe 1 | experimental | [1] Su 2006; _cites Chuang 1987_ | Table 4, p. 4, row 5; `ORC-LM6MH2ZLRI` |  |
| 1192 | (γFe) + Ce2Fe17 -> (αFe) | (γFe): Fe 0.9993; Ce2Fe17: Fe 0.8947; (αFe): Fe 0.9998 | model | [1] Su 2006 | Table 4, p. 4, row 4; `ORC-MHRZO5WERI` |  |
| 999 | Liq. + (δCe) -> (γCe) | Liq.: Fe 0.042; (δCe): Fe 3.000e-4; (γCe): Fe 1.000e-4 | model | [1] Su 2006 | Table 4, p. 4, row 16; `ORC-JCC3FDIHUD` |  |
| 998 | Liq. + (δCe) -> (γCe) | Liq.: Fe 0.087; (δCe): Fe 0; (γCe): Fe 0 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 17; `ORC-6QTR5V24OZ` |  |
| 865 | eutectic: Liq. -> Ce2Fe17 + (γCe) | Liq.: Fe 0.17; Ce2Fe17: Fe 0.8947; (γCe): Fe 0 | experimental | [1] Su 2006; _cites Gschneidner 1974_ | Table 4, p. 4, row 15; `ORC-ECNHHNV4KO` |  |
| 865 | eutectic: Liq. -> Ce2Fe17 + (γCe) | Liq.: Fe 0.1635; Ce2Fe17: Fe 0.8947; (γCe): Fe 1.000e-4 | model | [1] Su 2006 | Table 4, p. 4, row 13; `ORC-GHAYFXLV3D` |  |
| 865 | eutectic: Liq. -> Ce2Fe17 + (γCe) | Liq.: Fe 0.167; Ce2Fe17: Fe 0.8947; (γCe): Fe 0 | experimental | [1] Su 2006; _cites Chuang 1987_ | Table 4, p. 4, row 14; `ORC-O76DZ7PPJ6` |  |

## Sources

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

1. Xuping Su, Jean-Claude Tedenac, Thermodynamic modeling of the ternary Ce–Fe–Sb system: Assessment of the Ce–Sb and Ce–Fe systems, Calphad 30, 455-460 (2006). [doi:10.1016/j.calphad.2006.06.003](https://doi.org/10.1016/j.calphad.2006.06.003)

## 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-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859
- R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891
- 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_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@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/).