# Mg–B system > Mg–B system: 0 accepted literature values (none) and 2 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/MG-B.html · Markdown: https://data.orchid-project.org/systems/MG-B.md 0 accepted literature values from 0 paper(s); 2 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#MG-B/MgB-01Liu-LB.json) · [Markdown](https://data.orchid-project.org/systems/MG-B.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 | |---|---|---|---| | MgB-01Liu-LB.tdb | Z.-K. Liu, Y. Zhong, D.G. Schlom, X.X. Xi, Q. Li, Calphad, 25, 299-303(2001). [doi:10.1016/S0364-5916(01)00050-5](https://doi.org/10.1016/S0364-5916%2801%2900050-5) | `8309e62bcb5a44e3469ccdc08ec7b24b2aa6ee71eea414afe01deffad579bca7` | [viewer](https://orchid-project.org/phase-diagrams/#MG-B/MgB-01Liu-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/MgB-01Liu-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/MgB-01Liu-LB.json) | | MgB-05Bal.tdb | G. Balducci, S. Brutti, A. Ciccioli, G. Gigli, P. Manfrinetti, A. Palenzona, M.F. Butman, L. Kudin, J. Phys. Chem. Solids, 66, 292-97(2005). [doi:10.1016/j.jpcs.2004.06.063](https://doi.org/10.1016/j.jpcs.2004.06.063) | `560f62e9d31af938fa0aca4727c2058964218246a52d0ca33b9b8adef66e49e5` | [viewer](https://orchid-project.org/phase-diagrams/#MG-B/MgB-05Bal.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/MgB-05Bal.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/MgB-05Bal.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | MgB-01Liu-LB.tdb | 2424.01 | GAS (x(B) 3.000e-5) + MGB7 (x(B) 0.875) + LIQUID (x(B) 0.9907) | | MgB-01Liu-LB.tdb | 2344.38 | MGB7 (x(B) 0.875) + LIQUID (x(B) 0.99603) + BETA_RHOMBO_B (x(B) 1) | | MgB-01Liu-LB.tdb | 2344.38 | MGB7 (x(B) 0.875) + LIQUID (x(B) 0.99604) + BETA_RHOMBO_B (x(B) 1) | | MgB-01Liu-LB.tdb | 2010.48 | GAS (x(B) 0) + MGB4 (x(B) 0.8) + MGB7 (x(B) 0.875) | | MgB-01Liu-LB.tdb | 2010.48 | GAS (x(B) 0) + MGB4 (x(B) 0.8) + MGB7 (x(B) 0.875) | | MgB-01Liu-LB.tdb | 1820.05 | GAS (x(B) 0) + MB2_C32 (x(B) 0.66667) + MGB4 (x(B) 0.8) | | MgB-01Liu-LB.tdb | 1820.05 | GAS (x(B) 0) + MB2_C32 (x(B) 0.66667) + MGB4 (x(B) 0.8) | | MgB-01Liu-LB.tdb | 1368.48 | GAS (x(B) 0) + LIQUID (x(B) 0.00779) + MB2_C32 (x(B) 0.66667) | | MgB-01Liu-LB.tdb | 922.85 | HCP_A3 (x(B) 0) + LIQUID (x(B) 1.800e-4) + MB2_C32 (x(B) 0.66667) | | MgB-05Bal.tdb | 2465.49 | GAS (x(B) 5.000e-5) + MGB20 (x(B) 0.95238) + LIQUID (x(B) 0.99154) | | MgB-05Bal.tdb | 2410.63 | GAS (x(B) 3.000e-5) + MGB7 (x(B) 0.875) + MGB20 (x(B) 0.95238) | | MgB-05Bal.tdb | 2347.63 | MGB20 (x(B) 0.95238) + LIQUID (x(B) 0.9996) + BETA_RHOMBO_B (x(B) 1) | | MgB-05Bal.tdb | 2281.82 | GAS (x(B) 0) + MGB4 (x(B) 0.8) + MGB7 (x(B) 0.875) | | MgB-05Bal.tdb | 1979.09 | GAS (x(B) 0) + MB2_C32 (x(B) 0.66667) + MGB4 (x(B) 0.8) | | MgB-05Bal.tdb | 1367.88 | GAS (x(B) 0) + LIQUID (x(B) 0.00288) + MB2_C32 (x(B) 0.66667) | | MgB-05Bal.tdb | 922.97 | HCP_A3 (x(B) 0) + LIQUID (x(B) 3.000e-5) + MB2_C32 (x(B) 0.66667) | ## 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 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; the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); 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_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_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/).