# Fe–P system > Fe–P system: 0 accepted literature values (none) and 4 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/FE-P.html · Markdown: https://data.orchid-project.org/systems/FE-P.md 0 accepted literature values from 0 paper(s); 4 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#FE-P/FeP-06Oht.json) · [phases (11)](https://data.orchid-project.org/phases/pages/FE-P.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/FE-P.html) · [Markdown](https://data.orchid-project.org/systems/FE-P.md) ## 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 | |---|---|---|---| | FeP-06Oht.tdb | H. Ohtani, N. Hanaya, M. Hasebe, S. Teraoka, M. Abe, Calphad, 30, 147-58(2006). [doi:10.1016/j.calphad.2005.09.006](https://doi.org/10.1016/j.calphad.2005.09.006) | `eb48bb3f75bf74af270e5f4b038cec7813c1ca7bc05b524e9a6987be436ff3f8` | [viewer](https://orchid-project.org/phase-diagrams/#FE-P/FeP-06Oht.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/FeP-06Oht.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/FeP-06Oht.json) | | FeP-14Mie.tdb | J. Miettinen, G. Vassilev, J. Phase Equilib. Diffus., 35, 458-68(2014). [doi:10.1007/s11669-014-0314-x](https://doi.org/10.1007/s11669-014-0314-x) | `dd88469e10d0e1594a2a01bea3edb5acebd0adbbed7b6d2462d015788d5ed152` | [viewer](https://orchid-project.org/phase-diagrams/#FE-P/FeP-14Mie.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/FeP-14Mie.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/FeP-14Mie.json) | | FeP-90Gus-LB.tdb | P. Gustafson, Report IM-2549, Stockholm, 1990. | `fc41a6717da7517e23ad2b3550a4c5ad70745d1ac2862ef1d8bd26f98f5646ba` | [viewer](https://orchid-project.org/phase-diagrams/#FE-P/FeP-90Gus-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/FeP-90Gus-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/FeP-90Gus-LB.json) | | FeP-96Shi.tdb | J.-H. Shim, C.-S. Oh, D.N. Lee, J. Korean Inst. Met. Mater., 34, 1385-93(1996). | `24a34412d29b7eb07f910edcca192f9f124a0136ef5003003e639be449b7ac2d` | [viewer](https://orchid-project.org/phase-diagrams/#FE-P/FeP-96Shi.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/FeP-96Shi.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/FeP-96Shi.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | FeP-06Oht.tdb | 1888.65 | FEP2_C18 (x(P) 0.66667) + LIQUID (x(P) 0.68907) + FEP4 (x(P) 0.8) | | FeP-06Oht.tdb | 1888.65 | FEP2_C18 (x(P) 0.66667) + LIQUID (x(P) 0.68917) + FEP4 (x(P) 0.8) | | FeP-06Oht.tdb | 1888.65 | FEP2_C18 (x(P) 0.66667) + LIQUID (x(P) 0.68938) + FEP4 (x(P) 0.8) | | FeP-06Oht.tdb | 1810.94 | BCC_A2 (x(P) 1.000e-5) + LIQUID (x(P) 1.000e-5) + FEP4 (x(P) 0.8) | | FeP-06Oht.tdb | 1661.74 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.50561) + FEP2_C18 (x(P) 0.66667) | | FeP-06Oht.tdb | 1661.73 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.50539) + FEP2_C18 (x(P) 0.66667) | | FeP-06Oht.tdb | 1533.15 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40371) + FEP_B31 (x(P) 0.5) | | FeP-06Oht.tdb | 1533.15 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40378) + FEP_B31 (x(P) 0.5) | | FeP-06Oht.tdb | 1438.44 | LIQUID (x(P) 0.23141) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-06Oht.tdb | 1438.44 | LIQUID (x(P) 0.23149) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-06Oht.tdb | 1320.11 | BCC_A2 (x(P) 0.04576) + LIQUID (x(P) 0.16368) + M3P_D0E (x(P) 0.25) | | FeP-06Oht.tdb | 1320.11 | BCC_A2 (x(P) 0.04576) + LIQUID (x(P) 0.16365) + M3P_D0E (x(P) 0.25) | | FeP-06Oht.tdb | 852.36 | FEP4 (x(P) 0.8) + RED_P (x(P) 1) + LIQUID (x(P) 1) | | FeP-14Mie.tdb | 1533.45 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40443) + FEP_B31 (x(P) 0.5) | | FeP-14Mie.tdb | 1533.44 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40434) + FEP_B31 (x(P) 0.5) | | FeP-14Mie.tdb | 1533.44 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40431) + FEP_B31 (x(P) 0.5) | | FeP-14Mie.tdb | 1438.31 | LIQUID (x(P) 0.23122) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-14Mie.tdb | 1438.31 | LIQUID (x(P) 0.23139) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-14Mie.tdb | 1321.45 | BCC_A2 (x(P) 0.04266) + LIQUID (x(P) 0.16441) + M3P_D0E (x(P) 0.25) | | FeP-14Mie.tdb | 1321.45 | BCC_A2 (x(P) 0.04265) + LIQUID (x(P) 0.16438) + M3P_D0E (x(P) 0.25) | | FeP-14Mie.tdb | 613.45 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.76499) + RED_P (x(P) 1) | | FeP-14Mie.tdb | 613.45 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.76501) + RED_P (x(P) 1) | | FeP-90Gus-LB.tdb | 1534.79 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40493) + FEP_B31 (x(P) 0.5) | | FeP-90Gus-LB.tdb | 1534.79 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40488) + FEP_B31 (x(P) 0.5) | | FeP-90Gus-LB.tdb | 1534.79 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40497) + FEP_B31 (x(P) 0.5) | | FeP-90Gus-LB.tdb | 1430.09 | LIQUID (x(P) 0.23081) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-90Gus-LB.tdb | 1430.09 | LIQUID (x(P) 0.23103) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-90Gus-LB.tdb | 1323.38 | BCC_A2 (x(P) 0.04743) + LIQUID (x(P) 0.16207) + M3P_D0E (x(P) 0.25) | | FeP-90Gus-LB.tdb | 1323.38 | BCC_A2 (x(P) 0.04742) + LIQUID (x(P) 0.16203) + M3P_D0E (x(P) 0.25) | | FeP-90Gus-LB.tdb | 848.25 | LIQUID (x(P) 0.88599) + LIQUID#2 (x(P) 0.9799) + RED_P (x(P) 1) | | FeP-90Gus-LB.tdb | 610.64 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.72704) + RED_P (x(P) 1) | | FeP-90Gus-LB.tdb | 610.64 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.72699) + RED_P (x(P) 1) | | FeP-96Shi.tdb | 1532.59 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40437) + FEP_B31 (x(P) 0.5) | | FeP-96Shi.tdb | 1532.59 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40432) + FEP_B31 (x(P) 0.5) | | FeP-96Shi.tdb | 1532.59 | M2P_C22 (x(P) 0.33333) + LIQUID (x(P) 0.40443) + FEP_B31 (x(P) 0.5) | | FeP-96Shi.tdb | 1437.84 | LIQUID (x(P) 0.23154) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-96Shi.tdb | 1437.83 | LIQUID (x(P) 0.23128) + M3P_D0E (x(P) 0.25) + M2P_C22 (x(P) 0.33333) | | FeP-96Shi.tdb | 1322.1 | BCC_A2 (x(P) 0.04367) + LIQUID (x(P) 0.16482) + M3P_D0E (x(P) 0.25) | | FeP-96Shi.tdb | 1322.1 | BCC_A2 (x(P) 0.04366) + LIQUID (x(P) 0.16478) + M3P_D0E (x(P) 0.25) | | FeP-96Shi.tdb | 613.47 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.76499) + RED_P (x(P) 1) | | FeP-96Shi.tdb | 613.47 | FEP_B31 (x(P) 0.5) + LIQUID (x(P) 0.76501) + RED_P (x(P) 1) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/FE/FE-P.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/FE/FE-P.json) · [CALPHAD hull FeP-06Oht](https://data.orchid-project.org/hulls/calphad-sgte/FE/FE-P--FeP-06Oht.json) · [CALPHAD hull FeP-90Gus-LB](https://data.orchid-project.org/hulls/calphad-sgte/FE/FE-P--FeP-90Gus-LB.json) · [CALPHAD hull FeP-96Shi](https://data.orchid-project.org/hulls/calphad-sgte/FE/FE-P--FeP-96Shi.json) ## Please cite - 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 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); the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work). 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_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=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).