# Mo–Ru system > Mo–Ru system: 10 accepted literature values (invariant reaction 9, other property 1) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/MO-RU.html · Markdown: https://data.orchid-project.org/systems/MO-RU.md 10 accepted literature values from 1 paper(s) (experimental 3, model 7); 3 calculated phase diagram(s). 4 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/MO-RU.json) · [CSV](https://data.orchid-project.org/systems/MO-RU.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#MO-RU) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#MO-RU/MoRu-00Oh-oldsigma.json) · [phases (7)](https://data.orchid-project.org/phases/pages/MO-RU.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/MO-RU.html) · [Markdown](https://data.orchid-project.org/systems/MO-RU.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 3 | | model | 7 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 9 | | other property | 1 | ## 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 | |---|---|---|---| | MoRu-00Oh-oldsigma.tdb | C.-S. Oh, H. Murakami, H. Harada, J. Alloys Compd., 313, 115-20(2000). [doi:10.1016/S0925-8388(00)01192-0](https://doi.org/10.1016/S0925-8388%2800%2901192-0) | `90b4291aface7903096ef301a834743b5e45abbbed2ec4a201db3a1f5dc9bd8f` | [viewer](https://orchid-project.org/phase-diagrams/#MO-RU/MoRu-00Oh-oldsigma.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/MoRu-00Oh-oldsigma.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/MoRu-00Oh-oldsigma.json) | | MoRu-00Oh.tdb | C.-S. Oh, H. Murakami, H. Harada, J. Alloys Compd., 313, 115-20(2000). [doi:10.1016/S0925-8388(00)01192-0](https://doi.org/10.1016/S0925-8388%2800%2901192-0) | `7638f7116eda1f733b89c7c61754b9aaa6ee75f6d08a0941e3328f95a311fd76` | [viewer](https://orchid-project.org/phase-diagrams/#MO-RU/MoRu-00Oh.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/MoRu-00Oh.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/MoRu-00Oh.json) | | MoRu-21Liu.tdb | J. Liu, C. Zhou, H. Wang, Calphad, 72, 102239(2021). [doi:10.1016/j.calphad.2020.102239](https://doi.org/10.1016/j.calphad.2020.102239) | `ca6f85caeed3576c72d3cf7ae0023b28e9176ee2a3d24b1e81ce23bbe2de3627` | [viewer](https://orchid-project.org/phase-diagrams/#MO-RU/MoRu-21Liu.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/MoRu-21Liu.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/MoRu-21Liu.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | MoRu-00Oh-oldsigma.tdb | 2229.33 | BCC_A2 (x(Ru) 0.32265) + LIQUID (x(Ru) 0.42541) + HCP_A3 (x(Ru) 0.4883) | | MoRu-00Oh-oldsigma.tdb | 2189.54 | BCC_A2 (x(Ru) 0.31257) + SIGMA_OLD (x(Ru) 0.38143) + HCP_A3 (x(Ru) 0.48821) | | MoRu-00Oh-oldsigma.tdb | 1414.45 | BCC_A2 (x(Ru) 0.10977) + SIGMA_OLD (x(Ru) 0.37767) + HCP_A3 (x(Ru) 0.56741) | | MoRu-00Oh.tdb | 2229.65 | BCC_A2 (x(Ru) 0.32134) + LIQUID (x(Ru) 0.42519) + HCP_A3 (x(Ru) 0.48796) | | MoRu-00Oh.tdb | 2189.52 | BCC_A2 (x(Ru) 0.31136) + SIGMA_D8B (x(Ru) 0.37987) + HCP_A3 (x(Ru) 0.48796) | | MoRu-00Oh.tdb | 1414.24 | BCC_A2 (x(Ru) 0.1111) + SIGMA_D8B (x(Ru) 0.3756) + HCP_A3 (x(Ru) 0.56756) | | MoRu-21Liu.tdb | 2227.98 | BCC_A2 (x(Ru) 0.31716) + LIQUID (x(Ru) 0.41071) + HCP_A3 (x(Ru) 0.5009) | | MoRu-21Liu.tdb | 2188.05 | BCC_A2 (x(Ru) 0.30606) + SIGMA_D8B (x(Ru) 0.38915) + HCP_A3 (x(Ru) 0.50196) | | MoRu-21Liu.tdb | 1417.25 | SIGMA_ALT (x(Ru) 0.37688) + SIGMA_D8B (x(Ru) 0.3832) + HCP_A3 (x(Ru) 0.59475) | | MoRu-21Liu.tdb | 1415.99 | BCC_A2 (x(Ru) 0.10212) + SIGMA_ALT (x(Ru) 0.37684) + HCP_A3 (x(Ru) 0.59488) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/MO/MO-RU.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/MO/MO-RU.json) · [CALPHAD hull MoRu-00Oh-oldsigma](https://data.orchid-project.org/hulls/calphad-sgte/MO/MO-RU--MoRu-00Oh-oldsigma.json) · [CALPHAD hull MoRu-00Oh](https://data.orchid-project.org/hulls/calphad-sgte/MO/MO-RU--MoRu-00Oh.json) ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Mo–Ru system (9) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 2230 | Liq = bcc + hcp | L: Ru 0.425; bcc: Ru 0.321; hcp: Ru 0.488 | model | [1] Oh 2000 | Table 2, p. 4, row 3; `ORC-YSFEJ4YNZA` | | | 2229 | Liq = bcc + hcp | L: Ru 0.425; bcc: Ru 0.323; hcp: Ru 0.488 | model | [1] Oh 2000 | Table 2, p. 4, row 2; `ORC-IYBQ35IRSP` | | | 2228 | Liq = bcc + hcp | L: Ru 0.42; bcc: Ru 0.324; hcp: Ru 0.485 | experimental | [1] Oh 2000 | Table 2, p. 4, row 1; `ORC-C2UWYVIRMM` | | | 2190 | bcc + hcp = σ | bcc: Ru 0.311; hcp: Ru 0.488; σ: Ru 0.38 | model | [1] Oh 2000 | Table 2, p. 4, row 6; `ORC-6RQFUM2DCT` | | | 2190 | bcc + hcp = σ | bcc: Ru 0.313; hcp: Ru 0.488; σ: Ru 0.381 | model | [1] Oh 2000 | Table 2, p. 4, row 5; `ORC-X2T2R64TSF` | | | 2188 | bcc + hcp = σ | bcc: Ru 0.324; hcp: Ru 0.485; σ: Ru 0.375 | experimental | [1] Oh 2000 | Table 2, p. 4, row 4; `ORC-Y4TGD7SJ44` | | | 1416 | σ = bcc + hcp | σ: Ru 0.375; bcc: Ru 0.11; hcp: Ru 0.59 | experimental | [1] Oh 2000 | Table 2, p. 4, row 7; `ORC-YRTTJEUMNX` | | | 1414 | σ = bcc + hcp | σ: Ru 0.376; bcc: Ru 0.111; hcp: Ru 0.568 | model | [1] Oh 2000 | Table 2, p. 4, row 9; `ORC-EKS3ZITGNL.499c4a` | | | 1414 | σ = bcc + hcp | σ: Ru 0.378; bcc: Ru 0.11; hcp: Ru 0.568 | model | [1] Oh 2000 | Table 2, p. 4, row 8; `ORC-EKS3ZITGNL.fd5c72` | | ## Other properties ### Other property (1) Table: Other property, Mo–Ru system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Other; _printed: range of homogeneity_ | 2.2 at.% | 1850 | | model | [1] Oh 2000 | p. 5; `ORC-3VHMSV6LBA.954b1b` | “Calculated range of homogeneity for the s phase is about 2.2 at.% around 1850 K which is comparable to the reported data of 2.7 at.%.” | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Chang-Seok Oh, Hideyuki Murakami, Hiroshi Harada, Thermodynamic evaluation of the Mo–Ru system, Journal of Alloys and Compounds 313, 115-120 (2000). [doi:10.1016/s0925-8388(00)01192-0](https://doi.org/10.1016/s0925-8388%2800%2901192-0) ## 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=\, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).