# Cr–Cu–Zr system > Cr–Cu–Zr system: 21 accepted literature values (invariant reaction 21) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/CR-CU-ZR.html · Markdown: https://data.orchid-project.org/systems/CR-CU-ZR.md 21 accepted literature values from 1 paper(s) (experimental 4, model 17); 0 calculated phase diagram(s). 5 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/CR-CU-ZR.json) · [CSV](https://data.orchid-project.org/systems/CR-CU-ZR.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#CR-CU-ZR) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/CR-CU-ZR.html) · [Markdown](https://data.orchid-project.org/systems/CR-CU-ZR.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 4 | | model | 17 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 21 | ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Cr–Cu–Zr system (21) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 1820 | peritectic: L + β-Cr2Zr -> (Cr) + α-Cr2Zr | L: Cr 0.7561, Zr 0.1825 | model | [1] Zeng 1995 | Table 4, p. 7, row 9; `ORC-2QZMNSBQAO` | | | 1373 | eutectic: L -> α-Cr2Zr + Cu51Zr14 | L: Cr 0.01389, Zr 0.205 | model | [1] Zeng 1995 | Table 4, p. 7, row 13; `ORC-G3B3WQGT5O` | | | 1365 | peritectic: L + α-Cr2Zr -> (Cr) + Cu51Zr14 | L: Cr 0.01444, Zr 0.18 | model | [1] Zeng 1995 | Table 4, p. 7, row 3; `ORC-AX5BIFDSFQ` | | | 1274.15 | L + Cu51Zr14 -> Cu5Zr + (Cr) | | model | [1] Zeng 1995 | Table 2, p. 2, row 2; `ORC-WAE3ZU5KHD` | | | 1274 | peritectic: L + Cu51Zr14 -> Cu5Zr + (Cr) | L: Cr 0.008421, Zr 0.1018 | model | [1] Zeng 1995 | Table 4, p. 7, row 2; `ORC-XYX6ABI2L2` | | | 1270.15 | L + Cu51Zr14 -> Cu5Zr + (Cr) | | experimental | [1] Zeng 1995; _cites Kuznetsov 1979_ | Table 2, p. 2, row 1; `ORC-WRXKEYVQ4V` | | | 1251 | eutectic: L -> α-Cr2Zr + CuZr2 | L: Cr 0.03187, Zr 0.6612 | model | [1] Zeng 1995 | Table 4, p. 7, row 10; `ORC-JWINUEB6XO` | | | 1239.15 | L -> (β-Zr) + α-Cr2Zr + CuZr2 | | model | [1] Zeng 1995 | Table 2, p. 2, row 6; `ORC-RKCFOKH3VR` | | | 1239 | eutectic: L -> α-Cr2Zr + CuZr2 + (β-Zr) | L: Cr 0.03948, Zr 0.7032 | model | [1] Zeng 1995 | Table 4, p. 7, row 8; `ORC-IQEOF5ZMRJ` | | | 1236.15 | L -> (Cu) + Cu5Zr + (Cr) | | model | [1] Zeng 1995 | Table 2, p. 2, row 4; `ORC-6WMVH5GOEQ` | | | 1236.15 | L -> (Cu) + Cu5Zr + (Cr) | | experimental | [1] Zeng 1995; _cites Kuznetsov 1979_ | Table 2, p. 2, row 3; `ORC-EWP3YQAJYR` | | | 1236 | eutectic: L -> Cu5Zr + (Cu) + (Cr) | L: Cr 0.00706, Zr 0.07717 | model | [1] Zeng 1995 | Table 4, p. 7, row 1; `ORC-ZUQSDU3FUB` | | | 1218.15 | L -> (β-Zr) + α-Cr2Zr + CuZr2 | | experimental | [1] Zeng 1995; _cites Tregubov 1977_ | Table 2, p. 2, row 5; `ORC-CQ5FPFIE6U` | | | 1200 | eutectic: L -> α-Cr2Zr + CuZr | L: Cr 0.006464, Zr 0.4871 | model | [1] Zeng 1995 | Table 4, p. 7, row 11; `ORC-HIDOPWJJYW` | | | 1191 | peritectic: L + Cu51Zr14 -> α-Cr2Zr + Cu8Zr3 | L: Cr 0.003606, Zr 0.389 | model | [1] Zeng 1995 | Table 4, p. 7, row 4; `ORC-QEZ7F5PF6K` | | | 1189 | eutectic: L -> α-Cr2Zr + CuZr + CuZr2 | L: Cr 0.00839, Zr 0.5371 | model | [1] Zeng 1995 | Table 4, p. 7, row 7; `ORC-QNBIMH6QAS` | | | 1161.89 | eutectic: L -> α-Cr2Zr + Cu10Zr7 | L: Cr 0.003067, Zr 0.4114 | model | [1] Zeng 1995 | Table 4, p. 7, row 12; `ORC-ABXBEBSQDQ` | | | 1161.85 | eutectic: L -> α-Cr2Zr + Cu10Zr7 + Cu8Zr3 | L: Cr 0.00329, Zr 0.4088 | model | [1] Zeng 1995 | Table 4, p. 7, row 5; `ORC-FBXQMBRBUP` | | | 1160.6 | eutectic: L -> α-Cr2Zr + Cu10Zr7 + CuZr | L: Cr 0.003275, Zr 0.427 | model | [1] Zeng 1995 | Table 4, p. 7, row 6; `ORC-FCAXRRWPDV` | | | 1087.15 | (β-Zr) -> (α-Zr) + α-Cr2Zr + CuZr2 | | experimental | [1] Zeng 1995; _cites Tregubov 1977_ | Table 2, p. 2, row 7; `ORC-TFEE5ZK4KZ` | | | 1080.15 | (β-Zr) -> (α-Zr) + α-Cr2Zr + CuZr2 | | model | [1] Zeng 1995 | Table 2, p. 2, row 8; `ORC-5MHQM53W23` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. K.J. Zeng, M. Hämäläinen, A theoretical study of the phase equilibria in the CuCrZr system, Journal of Alloys and Compounds 220, 53-61 (1995). [doi:10.1016/0925-8388(94)06029-0](https://doi.org/10.1016/0925-8388%2894%2906029-0) ## 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 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_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/).