# Ta–C system > Ta–C system: 0 accepted literature values (none) and 3 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/TA-C.html · Markdown: https://data.orchid-project.org/systems/TA-C.md 0 accepted literature values from 0 paper(s); 3 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#TA-C/TaC-16Pan.json) · [Markdown](https://data.orchid-project.org/systems/TA-C.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 | |---|---|---|---| | TaC-16Pan.tdb | Y. Pan, P. Zhou, Y. Peng, Y. Du, F. Luo, Calphad, 53, 1-9(2016). [doi:10.1016/j.calphad.2016.02.001](https://doi.org/10.1016/j.calphad.2016.02.001) | `ca6090d1f360ccc3894e5c02b3aca7990ba874997ed0726a834391c5859bad71` | [viewer](https://orchid-project.org/phase-diagrams/#TA-C/TaC-16Pan.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/TaC-16Pan.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/TaC-16Pan.json) | | TaC-17Zha.tdb | C. Zhang, H. Yin, Y. Du, Y. Pan, P. Deng, Calphad, 59, 99-1069(2017). [doi:10.1016/j.calphad.2017.09.003](https://doi.org/10.1016/j.calphad.2017.09.003) | `3552b962491e2504ffed9dd3f6910a5c85bcfefb5b0037229f6347fa1420576f` | [viewer](https://orchid-project.org/phase-diagrams/#TA-C/TaC-17Zha.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/TaC-17Zha.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/TaC-17Zha.json) | | TaC-96Fri-LB.tdb | K. Frisk, A. Fernandez Guillermet, J. Alloys Compd., 238, 167-79(1996). [doi:10.1016/0925-8388(96)02197-4](https://doi.org/10.1016/0925-8388%2896%2902197-4) | `1f785b985585aadd637e8ca29e39873afe0b15aaab59243d98f1c6b72694ce0f` | [viewer](https://orchid-project.org/phase-diagrams/#TA-C/TaC-96Fri-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/TaC-96Fri-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/TaC-96Fri-LB.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | TaC-16Pan.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70286) + GRAPHITE_A9 (x(C) 1) | | TaC-16Pan.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70294) + GRAPHITE_A9 (x(C) 1) | | TaC-16Pan.tdb | 3635.99 | LIQUID (x(C) 0.21774) + HCP_A3 (x(C) 0.31476) + FCC_A1 (x(C) 0.37866) | | TaC-16Pan.tdb | 3073.71 | BCC_A2 (x(C) 0.08363) + LIQUID (x(C) 0.10269) + HCP_A3 (x(C) 0.27621) | | TaC-16Pan.tdb | 2442.73 | HCP_A3 (x(C) 0.32933) + TA4C3 (x(C) 0.386) + FCC_A1 (x(C) 0.41364) | | TaC-16Pan.tdb | 744.68 | HCP_A3 (x(C) 0.33333) + TA4C3 (x(C) 0.386) + FCC_A1 (x(C) 0.48205) | | TaC-17Zha.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70286) + GRAPHITE_A9 (x(C) 1) | | TaC-17Zha.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70294) + GRAPHITE_A9 (x(C) 1) | | TaC-17Zha.tdb | 3635.99 | LIQUID (x(C) 0.21774) + HCP_A3 (x(C) 0.31476) + FCC_A1 (x(C) 0.37866) | | TaC-17Zha.tdb | 3073.71 | BCC_A2 (x(C) 0.08363) + LIQUID (x(C) 0.10269) + HCP_A3 (x(C) 0.27621) | | TaC-17Zha.tdb | 2442.8 | HCP_A3 (x(C) 0.32933) + TA4C3 (x(C) 0.4) + FCC_A1 (x(C) 0.41364) | | TaC-96Fri-LB.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70286) + GRAPHITE_A9 (x(C) 1) | | TaC-96Fri-LB.tdb | 3753.7 | FCC_A1 (x(C) 0.49516) + LIQUID (x(C) 0.70294) + GRAPHITE_A9 (x(C) 1) | | TaC-96Fri-LB.tdb | 3635.99 | LIQUID (x(C) 0.21774) + HCP_A3 (x(C) 0.31476) + FCC_A1 (x(C) 0.37866) | | TaC-96Fri-LB.tdb | 3073.71 | BCC_A2 (x(C) 0.08363) + LIQUID (x(C) 0.10269) + HCP_A3 (x(C) 0.27621) | ## 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/).