# Co–Dy system > Co–Dy 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/CO-DY.html · Markdown: https://data.orchid-project.org/systems/CO-DY.md 0 accepted literature values from 0 paper(s); 2 calculated phase diagram(s). Data: [interactive phase diagram](https://orchid-project.org/phase-diagrams/#CO-DY/CoDy-96Su.json) · [phases (11)](https://data.orchid-project.org/phases/pages/CO-DY.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CO-DY.html) · [Markdown](https://data.orchid-project.org/systems/CO-DY.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 | |---|---|---|---| | CoDy-96Su.tdb | X. Su, W. Zhang, Z. Du, Rare Met., 15, 222-29(1996). | `6bdfab6e817c7d70272f7a48413ad36de4f890988bbcfc7eed2298bfde179d50` | [viewer](https://orchid-project.org/phase-diagrams/#CO-DY/CoDy-96Su.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CoDy-96Su.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CoDy-96Su.json) | | CoDy-98Su.tdb | X. Su, W. Zhang, Z. Du, Z. Metallkd., 89, 522-26(1998). [doi:10.3139/ijmr-1998-0099](https://doi.org/10.3139/ijmr-1998-0099) | `ef3d3e66257222b337abbfa98371dea45eb2df5a0476b0c130cc02f0960b0908` | [viewer](https://orchid-project.org/phase-diagrams/#CO-DY/CoDy-98Su.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/CoDy-98Su.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/CoDy-98Su.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | CoDy-96Su.tdb | 1654.38 | LIQUID (x(Dy) 0.98458) + HCP_A3 (x(Dy) 0.99961) + BCC_A2 (x(Dy) 0.99965) | | CoDy-96Su.tdb | 1643.18 | FCC_A1 (x(Dy) 0.00174) + LIQUID (x(Dy) 0.08547) + CO17DY2 (x(Dy) 0.10526) | | CoDy-96Su.tdb | 1643.18 | FCC_A1 (x(Dy) 0.00174) + LIQUID (x(Dy) 0.08546) + CO17DY2 (x(Dy) 0.10526) | | CoDy-96Su.tdb | 1616.18 | CO17DY2 (x(Dy) 0.10526) + CO5DY_D2D (x(Dy) 0.16667) + LIQUID (x(Dy) 0.18651) | | CoDy-96Su.tdb | 1616.18 | CO17DY2 (x(Dy) 0.10526) + CO5DY_D2D (x(Dy) 0.16667) + LIQUID (x(Dy) 0.18663) | | CoDy-96Su.tdb | 1615.53 | LIQUID (x(Dy) 0.20649) + CO7DY2 (x(Dy) 0.22222) + CO3DY (x(Dy) 0.25) | | CoDy-96Su.tdb | 1615.53 | LIQUID (x(Dy) 0.20664) + CO7DY2 (x(Dy) 0.22222) + CO3DY (x(Dy) 0.25) | | CoDy-96Su.tdb | 1613.92 | CO5DY_D2D (x(Dy) 0.16667) + LIQUID (x(Dy) 0.1971) + CO7DY2 (x(Dy) 0.22222) | | CoDy-96Su.tdb | 1613.92 | CO5DY_D2D (x(Dy) 0.16667) + LIQUID (x(Dy) 0.19737) + CO7DY2 (x(Dy) 0.22222) | | CoDy-96Su.tdb | 1552.42 | CO3DY (x(Dy) 0.25) + CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.38923) | | CoDy-96Su.tdb | 1552.41 | CO3DY (x(Dy) 0.25) + CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.38965) | | CoDy-96Su.tdb | 1404.85 | CO17DY2 (x(Dy) 0.10526) + CO5DY_D2D (x(Dy) 0.16667) + CO7DY2 (x(Dy) 0.22222) | | CoDy-96Su.tdb | 1138 | LIQUID (x(Dy) 0.73797) + CODY3_D011 (x(Dy) 0.75) + HCP_A3 (x(Dy) 0.99979) | | CoDy-96Su.tdb | 1137.99 | LIQUID (x(Dy) 0.73803) + CODY3_D011 (x(Dy) 0.75) + HCP_A3 (x(Dy) 0.99979) | | CoDy-96Su.tdb | 1024.78 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65704) + CODY3_D011 (x(Dy) 0.75) | | CoDy-96Su.tdb | 1024.78 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65727) + CODY3_D011 (x(Dy) 0.75) | | CoDy-96Su.tdb | 1024.78 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65702) + CODY3_D011 (x(Dy) 0.75) | | CoDy-96Su.tdb | 993.35 | CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.57156) + CO7DY12 (x(Dy) 0.63158) | | CoDy-96Su.tdb | 993.35 | CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.57158) + CO7DY12 (x(Dy) 0.63158) | | CoDy-96Su.tdb | 694.99 | HCP_A3 (x(Dy) 0) + FCC_A1 (x(Dy) 0) + CO17DY2 (x(Dy) 0.10526) | | CoDy-96Su.tdb | 366.92 | HCP_A3 (x(Dy) 0) + CO17DY2 (x(Dy) 0.10526) + CO7DY2 (x(Dy) 0.22222) | | CoDy-98Su.tdb | 1654.26 | LIQUID (x(Dy) 0.98433) + HCP_A3 (x(Dy) 0.99981) + BCC_A2 (x(Dy) 0.99984) | | CoDy-98Su.tdb | 1654.26 | LIQUID (x(Dy) 0.98433) + HCP_A3 (x(Dy) 0.99981) + BCC_A2 (x(Dy) 0.99984) | | CoDy-98Su.tdb | 1632.56 | FCC_A1 (x(Dy) 0.00121) + LIQUID (x(Dy) 0.0643) + CO17DY2 (x(Dy) 0.10589) | | CoDy-98Su.tdb | 1622.7 | CO17DY2#2 (x(Dy) 0.1268) + CO17DY2 (x(Dy) 0.15579) + LIQUID (x(Dy) 0.1695) | | CoDy-98Su.tdb | 1606.08 | LIQUID (x(Dy) 0.20933) + CO7DY2 (x(Dy) 0.22222) + CO3DY (x(Dy) 0.25) | | CoDy-98Su.tdb | 1606.07 | LIQUID (x(Dy) 0.20959) + CO7DY2 (x(Dy) 0.22222) + CO3DY (x(Dy) 0.25) | | CoDy-98Su.tdb | 1602.65 | CO17DY2 (x(Dy) 0.15997) + LIQUID (x(Dy) 0.20053) + CO7DY2 (x(Dy) 0.22222) | | CoDy-98Su.tdb | 1544.72 | CO3DY (x(Dy) 0.25) + CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.34343) | | CoDy-98Su.tdb | 1544.72 | CO3DY (x(Dy) 0.25) + CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.34323) | | CoDy-98Su.tdb | 1404.44 | CO17DY2 (x(Dy) 0.11408) + CO17DY2#2 (x(Dy) 0.15724) + CO7DY2 (x(Dy) 0.22222) | | CoDy-98Su.tdb | 1143.89 | LIQUID (x(Dy) 0.73697) + CODY3_D011 (x(Dy) 0.75) + HCP_A3 (x(Dy) 0.99988) | | CoDy-98Su.tdb | 1143.89 | LIQUID (x(Dy) 0.73694) + CODY3_D011 (x(Dy) 0.75) + HCP_A3 (x(Dy) 0.99988) | | CoDy-98Su.tdb | 1012.96 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65644) + CODY3_D011 (x(Dy) 0.75) | | CoDy-98Su.tdb | 1012.96 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65677) + CODY3_D011 (x(Dy) 0.75) | | CoDy-98Su.tdb | 1012.96 | CO7DY12 (x(Dy) 0.63158) + LIQUID (x(Dy) 0.65639) + CODY3_D011 (x(Dy) 0.75) | | CoDy-98Su.tdb | 998.24 | CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.58498) + CO7DY12 (x(Dy) 0.63158) | | CoDy-98Su.tdb | 998.24 | CO2DY_C15 (x(Dy) 0.33333) + LIQUID (x(Dy) 0.58502) + CO7DY12 (x(Dy) 0.63158) | | CoDy-98Su.tdb | 694.99 | FCC_A1 (x(Dy) 0) + HCP_A3 (x(Dy) 0) + CO17DY2 (x(Dy) 0.10526) | | CoDy-98Su.tdb | 490.04 | CO17DY2 (x(Dy) 0.10526) + CO7DY2 (x(Dy) 0.22222) + CO3DY (x(Dy) 0.25) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/CO/CO-DY.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/CO/CO-DY.json) · [CALPHAD hull CoDy-96Su](https://data.orchid-project.org/hulls/calphad-sgte/CO/CO-DY--CoDy-96Su.json) ## 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-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 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); the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work). 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_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/).