# Hf–B system > Hf–B 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/HF-B.html · Markdown: https://data.orchid-project.org/systems/HF-B.md 0 accepted literature values from 0 paper(s); 4 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#HF-B/HfB-10Kau.json) · [Markdown](https://data.orchid-project.org/systems/HF-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 | |---|---|---|---| | HfB-10Kau.tdb | L. Kaufman, G. Cacciamani, M.L. Muolo, F. Valenza, A. Passerone, Calphad, 34, 2-5(2010). [doi:10.1016/j.calphad.2009.10.005](https://doi.org/10.1016/j.calphad.2009.10.005) | `c2047bb2395431ba79be3dbc33e65a3b9340fa2c014e7ba030c7a81318dbe806` | [viewer](https://orchid-project.org/phase-diagrams/#HF-B/HfB-10Kau.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/HfB-10Kau.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/HfB-10Kau.json) | | HfB-11Cac.tdb | G. Cacciamani, P. Riani, F. Valenza, Calphad, 35, 601-19(2011). [doi:10.1016/j.calphad.2011.10.003](https://doi.org/10.1016/j.calphad.2011.10.003) | `5df78501ac600909d9c9118d03216d01e9e466a9c94874b759ddf11a3866f9fb` | [viewer](https://orchid-project.org/phase-diagrams/#HF-B/HfB-11Cac.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/HfB-11Cac.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/HfB-11Cac.json) | | HfB-21Pan.tdb | Y. Pan, L. Huang, J. Zhang, Y. Du, F. Luo, S. Zhang, J. Phase Equilib. Diffus., 42, 864-78(2021). [doi:10.1007/s11669-021-00928-3](https://doi.org/10.1007/s11669-021-00928-3) | `af0cbca19fdb3a310c0579bcfd86e9d9b44c6d4f1f09d930be8e2f1bb0cbfccc` | [viewer](https://orchid-project.org/phase-diagrams/#HF-B/HfB-21Pan.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/HfB-21Pan.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/HfB-21Pan.json) | | HfB-97Bit-LB.tdb | H. Bittermann, P. Rogl, J. Phase Equilib., 18, 24-47(1997). [doi:10.1007/BF02646757](https://doi.org/10.1007/BF02646757) | `be69f82e1247105b17757743d8aab790528a5319dbe08ceef5999eccc2f06182` | [viewer](https://orchid-project.org/phase-diagrams/#HF-B/HfB-97Bit-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/HfB-97Bit-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/HfB-97Bit-LB.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | HfB-10Kau.tdb | 2506 | BCC_A2 (x(B) 0) + LIQUID (x(B) 0) + MB2_C32 (x(B) 0.66667) | | HfB-10Kau.tdb | 2380.45 | LIQUID (x(B) 0.16851) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-10Kau.tdb | 2380.45 | LIQUID (x(B) 0.16857) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-10Kau.tdb | 2380.45 | LIQUID (x(B) 0.16843) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-10Kau.tdb | 2338.87 | MB2_C32 (x(B) 0.66667) + LIQUID (x(B) 0.99123) + BETA_RHOMBO_B (x(B) 1) | | HfB-10Kau.tdb | 2279.19 | BCC_A2 (x(B) 0.04944) + LIQUID (x(B) 0.12126) + MB_B27 (x(B) 0.5) | | HfB-10Kau.tdb | 2279.19 | BCC_A2 (x(B) 0.04931) + LIQUID (x(B) 0.12111) + MB_B27 (x(B) 0.5) | | HfB-10Kau.tdb | 2044.8 | BCC_A2 (x(B) 0.01567) + HCP_A3 (x(B) 0.02014) + MB_B27 (x(B) 0.5) | | HfB-10Kau.tdb | 2044.8 | BCC_A2 (x(B) 0.01556) + HCP_A3 (x(B) 0.02002) + MB_B27 (x(B) 0.5) | | HfB-11Cac.tdb | 2377.15 | LIQUID (x(B) 0.21947) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-11Cac.tdb | 2377.15 | LIQUID (x(B) 0.21948) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-11Cac.tdb | 2377.15 | LIQUID (x(B) 0.21944) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-11Cac.tdb | 2338.32 | MB2_C32 (x(B) 0.67697) + LIQUID (x(B) 0.99043) + BETA_RHOMBO_B (x(B) 1) | | HfB-11Cac.tdb | 2153.63 | BCC_A2 (x(B) 0.00965) + LIQUID (x(B) 0.15) + MB_B27 (x(B) 0.5) | | HfB-11Cac.tdb | 2153.63 | BCC_A2 (x(B) 0.00964) + LIQUID (x(B) 0.14997) + MB_B27 (x(B) 0.5) | | HfB-11Cac.tdb | 2063.78 | BCC_A2 (x(B) 0.00722) + HCP_A3 (x(B) 0.01471) + MB_B27 (x(B) 0.5) | | HfB-21Pan.tdb | 2373.37 | LIQUID (x(B) 0.22139) + HFB_B27 (x(B) 0.49968) + HFB2_C32 (x(B) 0.66369) | | HfB-21Pan.tdb | 2337.19 | HFB2_C32 (x(B) 0.66667) + LIQUID (x(B) 0.98942) + BETA_RHOMBO_B (x(B) 1) | | HfB-21Pan.tdb | 2148.11 | BCC_A2 (x(B) 0.00982) + LIQUID (x(B) 0.15153) + HFB_B27 (x(B) 0.49967) | | HfB-21Pan.tdb | 2065.79 | BCC_A2 (x(B) 0.00755) + HCP_A3 (x(B) 0.01532) + HFB_B27 (x(B) 0.49975) | | HfB-97Bit-LB.tdb | 2377.15 | LIQUID (x(B) 0.21947) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-97Bit-LB.tdb | 2377.15 | LIQUID (x(B) 0.21948) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-97Bit-LB.tdb | 2377.15 | LIQUID (x(B) 0.21943) + MB_B27 (x(B) 0.5) + MB2_C32 (x(B) 0.66667) | | HfB-97Bit-LB.tdb | 2337.91 | MB2_C32 (x(B) 0.66667) + LIQUID (x(B) 0.99007) + BETA_RHOMBO_B (x(B) 1) | | HfB-97Bit-LB.tdb | 2153.63 | BCC_A2 (x(B) 0.00965) + LIQUID (x(B) 0.15) + MB_B27 (x(B) 0.5) | | HfB-97Bit-LB.tdb | 2153.63 | BCC_A2 (x(B) 0.00964) + LIQUID (x(B) 0.14997) + MB_B27 (x(B) 0.5) | | HfB-97Bit-LB.tdb | 2063.78 | BCC_A2 (x(B) 0.00722) + HCP_A3 (x(B) 0.01471) + MB_B27 (x(B) 0.5) | ## 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/).