# Mn–O–W system > Mn–O–W system: 11 accepted literature values (phase equilibrium 11) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/MN-O-W.html · Markdown: https://data.orchid-project.org/systems/MN-O-W.md 11 accepted literature values from 1 paper(s) (experimental 11); 0 calculated phase diagram(s). Data: [JSON](https://data.orchid-project.org/literature/systems/MN-O-W.json) · [CSV](https://data.orchid-project.org/systems/MN-O-W.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#MN-O-W) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/MN-O-W.html) · [Markdown](https://data.orchid-project.org/systems/MN-O-W.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 11 | Table: Accepted values by property group | Property group | Values | |---|---:| | phase equilibrium | 11 | ## Other properties ### Phase equilibrium (11) Table: Phase equilibrium, Mn–O–W system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase composition | | 1498.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.075, O 0, W 0.925; Manganese-rich phase: Mn 0.877, O 0, W 0.123; Oxide phase: Mn 0.44, O 0.36, W 0.2_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 1; `ORC-ISEJ6GWRLP` | | | Phase composition | | 1498.15 | tungsten-rich phase + oxide phase + tungsten-rich phase (Surface) + tungsten-rich phase (Interior) + tungsten-rich phase (Average) + oxide phase (Surface) + oxide phase (Interior) + Oxide phase; _tungsten-rich phase (Surface): Mn 0.039; tungsten-rich phase (Interior): Mn 0.049; tungsten-rich phase (Average): Mn 0.044; oxide phase (Surface): Mn 0.27, O 0.17, W 0.56; oxide phase (Interior): Mn 0.32, O 0.31, W 0.37; tungsten-rich phase: Mn 0.039; Oxide phase: Mn 0.27, O 0.17, W 0.56_ | experimental | [1] Elsebaie 2018 | Table 3, p. 5, row 1; `ORC-QJBSJ3KY6H` | | | Phase composition | | 1548.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.093, O 0.001, W 0.906; Manganese-rich phase: Mn 0.898, O 0, W 0.102; Oxide phase: Mn 0.72, O 0.21, W 0.07_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 2; `ORC-33LWBC3SP4` | | | Phase composition | | 1548.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.116, O 0, W 0.884; Manganese-rich phase: Mn 0.969; Oxide phase: Mn 0.46, O 0.48, W 0.06_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 6; `ORC-QQWPEABH2X` | | | Phase composition | | 1548.15 | tungsten-rich phase + oxide phase + tungsten-rich phase (Surface) + tungsten-rich phase (Interior) + tungsten-rich phase (Average) + oxide phase (Surface) + oxide phase (Interior) + Oxide phase; _tungsten-rich phase (Surface): Mn 0.076; tungsten-rich phase (Interior): Mn 0.053; tungsten-rich phase (Average): Mn 0.064; oxide phase (Surface): Mn 0.36, O 0.14, W 0.5; oxide phase (Interior): Mn 0.57, O 0.41, W 0.02; tungsten-rich phase: Mn 0.076; Oxide phase: Mn 0.36, O 0.14, W 0.5_ | experimental | [1] Elsebaie 2018 | Table 3, p. 5, row 2; `ORC-4BLOHQCIEW` | | | Phase composition | | 1623.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.115, O 0, W 0.885; Manganese-rich phase: Mn 0.958, O 0, W 0.042; Oxide phase: Mn 0.7, O 0.29, W 0.01_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 3; `ORC-RAWYW6FAYN` | | | Phase composition | | 1623.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.12, O 0, W 0.88; Manganese-rich phase: Mn 0.977, O 0.002, W 0.021; Oxide phase: Mn 0.67, O 0.32, W 0.01_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 7; `ORC-Z2ZTOFYEEZ` | | | Phase composition | | 1623.15 | tungsten-rich phase + oxide phase + tungsten-rich phase (Surface) + tungsten-rich phase (Interior) + tungsten-rich phase (Average) + oxide phase (Surface) + oxide phase (Interior) + Oxide phase; _tungsten-rich phase (Surface): Mn 0.049; tungsten-rich phase (Interior): Mn 0.038; tungsten-rich phase (Average): Mn 0.051; oxide phase (Surface): Mn 0.43, O 0.157, W 0.413; oxide phase (Interior): Mn 0.64, O 0.32, W 0.04; tungsten-rich phase: Mn 0.049; Oxide phase: Mn 0.43, O 0.157, W 0.413_ | experimental | [1] Elsebaie 2018 | Table 3, p. 5, row 3; `ORC-SCIUVK4WSN` | | | Phase composition | | 1698.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.091, O 0, W 0.909; Manganese-rich phase: Mn 0.979, O 0, W 0.021; Oxide phase: Mn 0.54, O 0.43, W 0.03_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 8; `ORC-JJKUKY6OVO` | | | Phase composition | | 1698.15 | Tungsten-rich phase + Manganese-rich phase + Oxide phase; _Tungsten-rich phase: Mn 0.081, O 0, W 0.919; Manganese-rich phase: Mn 0.937; Oxide phase: Mn 0.77, O 0.2, W 0.03_ | experimental | [1] Elsebaie 2018 | Table 4, p. 7, row 4; `ORC-VEE7KLWGJG` | | | Phase composition | | 1698.15 | tungsten-rich phase + oxide phase + tungsten-rich phase (Surface) + tungsten-rich phase (Interior) + tungsten-rich phase (Average) + oxide phase (Surface) + oxide phase (Interior) + Oxide phase; _tungsten-rich phase (Surface): Mn 0.037; tungsten-rich phase (Interior): Mn 0.049; tungsten-rich phase (Average): Mn 0.037; oxide phase (Surface): Mn 0.35, O 0.14, W 0.51; oxide phase (Interior): Mn 0.61, O 0.37, W 0.02; tungsten-rich phase: Mn 0.037; Oxide phase: Mn 0.35, O 0.14, W 0.51_ | experimental | [1] Elsebaie 2018 | Table 3, p. 5, row 4; `ORC-DMOFVOPHVU` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Ossama Elsebaie, Kevin M. Jaansalu, A study of the manganese–tungsten binary phase diagram, International Journal of Refractory Metals and Hard Materials 72, 332-340 (2018). [doi:10.1016/j.ijrmhm.2018.01.006](https://doi.org/10.1016/j.ijrmhm.2018.01.006) ## 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=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).