# Sr–Zn system > Sr–Zn system: 29 accepted literature values (phase equilibrium 13, invariant reaction 10, phase transition 6) and 1 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/SR-ZN.html · Markdown: https://data.orchid-project.org/systems/SR-ZN.md 29 accepted literature values from 1 paper(s) (experimental 15, model 14); 1 calculated phase diagram(s). Data: [JSON](https://data.orchid-project.org/literature/systems/SR-ZN.json) · [CSV](https://data.orchid-project.org/systems/SR-ZN.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#SR-ZN) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#SR-ZN/SrZn-03Zho.json) · [phases (9)](https://data.orchid-project.org/phases/pages/SR-ZN.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/SR-ZN.html) · [Markdown](https://data.orchid-project.org/systems/SR-ZN.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 15 | | model | 14 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 10 | | phase transition | 6 | | phase equilibrium | 13 | ## 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 | |---|---|---|---| | SrZn-03Zho.tdb | Y. Zhong, K. Ozturk, Z.-K. Liu, J. Phase Equilib., 24, 340-46(2003). [doi:10.1361/105497103770330325](https://doi.org/10.1361/105497103770330325) | `76bc25ec714bc2016c3105449f07ae025f8502d9fb9ec8afa4c1428e29a7e70c` | [viewer](https://orchid-project.org/phase-diagrams/#SR-ZN/SrZn-03Zho.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/SrZn-03Zho.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/SrZn-03Zho.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | SrZn-03Zho.tdb | 923.04 | LIQUID (x(Zn) 0.79361) + SRZN5_D2D (x(Zn) 0.83333) + SRZN13_D23 (x(Zn) 0.92857) | | SrZn-03Zho.tdb | 923.04 | LIQUID (x(Zn) 0.79393) + SRZN5_D2D (x(Zn) 0.83333) + SRZN13_D23 (x(Zn) 0.92857) | | SrZn-03Zho.tdb | 896.55 | SRZN5_D2D (x(Zn) 0.83333) + SRZN5_ALPHA (x(Zn) 0.83333) + SRZN13_D23 (x(Zn) 0.92857) | | SrZn-03Zho.tdb | 896.55 | LIQUID (x(Zn) 0.76636) + SRZN5_D2D (x(Zn) 0.83333) + SRZN5_ALPHA (x(Zn) 0.83333) | | SrZn-03Zho.tdb | 896.55 | LIQUID (x(Zn) 0.76676) + SRZN5_ALPHA (x(Zn) 0.83333) + SRZN5_D2D (x(Zn) 0.83333) | | SrZn-03Zho.tdb | 827.52 | SRZN2 (x(Zn) 0.66667) + LIQUID (x(Zn) 0.7191) + SRZN5_ALPHA (x(Zn) 0.83333) | | SrZn-03Zho.tdb | 827.52 | SRZN2 (x(Zn) 0.66667) + LIQUID (x(Zn) 0.71928) + SRZN5_ALPHA (x(Zn) 0.83333) | | SrZn-03Zho.tdb | 827.52 | SRZN2 (x(Zn) 0.66667) + LIQUID (x(Zn) 0.71898) + SRZN5_ALPHA (x(Zn) 0.83333) | | SrZn-03Zho.tdb | 815.68 | FCC_A1 (x(Zn) 0.00487) + BCC_A2 (x(Zn) 0.00552) + LIQUID (x(Zn) 0.18127) | | SrZn-03Zho.tdb | 705.53 | LIQUID (x(Zn) 0.46699) + SRZN_B27 (x(Zn) 0.5) + SRZN2 (x(Zn) 0.66667) | | SrZn-03Zho.tdb | 705.53 | LIQUID (x(Zn) 0.46733) + SRZN_B27 (x(Zn) 0.5) + SRZN2 (x(Zn) 0.66667) | | SrZn-03Zho.tdb | 692.68 | SRZN13_D23 (x(Zn) 0.92857) + HCP_A3 (x(Zn) 1) + LIQUID (x(Zn) 1) | | SrZn-03Zho.tdb | 642.5 | FCC_A1 (x(Zn) 0.00245) + LIQUID (x(Zn) 0.30663) + SRZN_B27 (x(Zn) 0.5) | | SrZn-03Zho.tdb | 642.5 | FCC_A1 (x(Zn) 0.00245) + LIQUID (x(Zn) 0.30666) + SRZN_B27 (x(Zn) 0.5) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/SR/SR-ZN.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/SR/SR-ZN.json) ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Sr–Zn system (10) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 923.15 | Liquid + SrZn13 = βSrZn5 | L: Zn 0.794; SrZn13: Zn 0.929; βSrZn5: Zn 0.833 | model | [1] Zhong 2003 | Table 3, p. 3, row 13; `ORC-SSGAHLFTR2` | | | 923.15 | Liquid + SrZn13 = βSrZn5 | SrZn13: Zn 0.928571; βSrZn5: Zn 0.833333 | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 12; `ORC-SZI4KHF6EZ` | | | 827.65 | Liquid = SrZn2 + αSrZn5 | L: Zn 0.719; SrZn2: Zn 0.667; αSrZn5: Zn 0.833 | model | [1] Zhong 2003 | Table 3, p. 3, row 9; `ORC-RCKJJPFXJI` | | | 827.15 | Liquid = SrZn2 + αSrZn5 | L: Zn 0.725; SrZn2: Zn 0.666667; αSrZn5: Zn 0.833333 | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 8; `ORC-O7LEZVAHBN` | | | 815.05 | Liquid + fcc = bcc | L: Zn 0.196; fcc: Zn 0.006; bcc: Zn 0.007 | model | [1] Zhong 2003 | Table 3, p. 3, row 1; `ORC-RCFRNVAS6N` | | | 707.15 | Liquid + SrZn2 = SrZn | SrZn2: Zn 0.666667; SrZn: Zn 0.5 | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 4; `ORC-JJP5P3FJ5H` | | | 705.75 | Liquid + SrZn2 = SrZn | L: Zn 0.467; SrZn2: Zn 0.667; SrZn: Zn 0.5 | model | [1] Zhong 2003 | Table 3, p. 3, row 5; `ORC-C2B5B7ILUK` | | | 692.85 | Liquid = SrZn13 + hcp | L: Zn 1; SrZn13: Zn 0.929; hcp: Zn 1 | model | [1] Zhong 2003 | Table 3, p. 3, row 16; `ORC-YCU56OPFUU` | | | 642.65 | Liquid = fcc + SrZn | L: Zn 0.307; fcc: Zn 0.002; SrZn: Zn 0.5 | model | [1] Zhong 2003 | Table 3, p. 3, row 3; `ORC-YOJVNKSWN4` | | | 642.15 | Liquid = fcc + SrZn | L: Zn 0.325; SrZn: Zn 0.5 | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 2; `ORC-Z7QO45ZTBM` | | ## Other properties ### Phase transition (6) Table: Phase transition, Sr–Zn system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase transition | 847.45 K | 847.45 | Liquid = SrZn2; _L: Zn 0.667; SrZn2: Zn 0.667_ | model | [1] Zhong 2003 | Table 3, p. 3, row 7; `ORC-LWGH7FZYZU` | | | Phase transition | 848.15 K | 848.15 | Liquid = SrZn2; _L: Zn 0.666667; SrZn2: Zn 0.666667_ | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 6; `ORC-MKKEFQKVVH` | | | Phase transition | 892.85 K | 892.85 | βSrZn5 = αSrZn5; _βSrZn5: Zn 0.833; αSrZn5: Zn 0.833_ | model | [1] Zhong 2003 | Table 3, p. 3, row 11; `ORC-WSSVZLPAD2` | | | Phase transition | 893.15 K | 893.15 | βSrZn5 = αSrZn5; _βSrZn5: Zn 0.833333; αSrZn5: Zn 0.833333_ | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 10; `ORC-SP3JIKIV22` | | | Phase transition | 1103.15 K | 1103.15 | Liquid = SrZn13; _L: Zn 0.928571; SrZn13: Zn 0.928571_ | experimental | [1] Zhong 2003; _cites Bruzzone 1983_ [doi](https://doi.org/10.1016/0022-5088%2883%2990226-6) | Table 3, p. 3, row 14; `ORC-FF6CO4KXTT` | | | Phase transition | 1103.15 K | 1103.15 | Liquid = SrZn13; _L: Zn 0.929; SrZn13: Zn 0.929_ | model | [1] Zhong 2003 | Table 3, p. 3, row 15; `ORC-XRJ7AFJL2K` | | ### Phase equilibrium (13) Table: Phase equilibrium, Sr–Zn system | Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote | |---|---:|---:|---|---|---|---|---| | Phase composition | | 948.15 | Liquid + L; _Liquid: Sr 0.0016, Zn 0.9984; L: Sr 0.0016, Zn 0.9984_ | experimental | [1] Zhong 2003; _cites Volkovich 1978_ | Table 2, p. 2, row 2; `ORC-IJJ3TQJFPO` | | | Phase composition | | 948.15 | Liquid + L; _Liquid: Sr 0.0014, Zn 0.9986; L: Sr 0.0014, Zn 0.9986_ | experimental | [1] Zhong 2003; _cites Shunk 1973_ | Table 2, p. 2, row 1; `ORC-QZ3JSFBR7M` | | | Phase composition | | 948.15 | Liquid + L; _Liquid: Sr 0.0015, Zn 0.9985; L: Sr 0.0015, Zn 0.9985_ | model | [1] Zhong 2003 | Table 2, p. 2, row 3; `ORC-X3FTH4PRYR` | | | Phase composition | | 973.15 | Liquid + L; _Liquid: Sr 0.0029, Zn 0.9971; L: Sr 0.0029, Zn 0.9971_ | experimental | [1] Zhong 2003; _cites Volkovich 1978_ | Table 2, p. 2, row 5; `ORC-5XUBNIPTLG` | | | Phase composition | | 973.15 | Liquid + L; _Liquid: Sr 0.0032, Zn 0.9968; L: Sr 0.0032, Zn 0.9968_ | model | [1] Zhong 2003 | Table 2, p. 2, row 6; `ORC-EFQVD5I6BJ` | | | Phase composition | | 973.15 | Liquid + L; _Liquid: Sr 0.0025, Zn 0.9975; L: Sr 0.0025, Zn 0.9975_ | experimental | [1] Zhong 2003; _cites Shunk 1973_ | Table 2, p. 2, row 4; `ORC-NPBFO7Z7M5` | | | Phase composition | | 998.15 | Liquid + L; _Liquid: Sr 0.0052, Zn 0.9948; L: Sr 0.0052, Zn 0.9948_ | experimental | [1] Zhong 2003; _cites Volkovich 1978_ | Table 2, p. 2, row 8; `ORC-ERIIUCOABH` | | | Phase composition | | 998.15 | Liquid + L; _Liquid: Sr 0.0046, Zn 0.9954; L: Sr 0.0046, Zn 0.9954_ | experimental | [1] Zhong 2003; _cites Shunk 1973_ | Table 2, p. 2, row 7; `ORC-JRDQOT34PH` | | | Phase composition | | 998.15 | Liquid + L; _Liquid: Sr 0.0062, Zn 0.9938; L: Sr 0.0062, Zn 0.9938_ | model | [1] Zhong 2003 | Table 2, p. 2, row 9; `ORC-NPDL6VPYQK` | | | Phase composition | | 1023.15 | Liquid + L; _Liquid: Sr 0.0105, Zn 0.9895; L: Sr 0.0105, Zn 0.9895_ | experimental | [1] Zhong 2003; _cites Volkovich 1978_ | Table 2, p. 2, row 10; `ORC-O2C2755VSX` | | | Phase composition | | 1023.15 | Liquid + L; _Liquid: Sr 0.0111, Zn 0.9889; L: Sr 0.0111, Zn 0.9889_ | model | [1] Zhong 2003 | Table 2, p. 2, row 11; `ORC-SLANM4WKVG` | | | Phase composition | | 1048.15 | Liquid + L; _Liquid: Sr 0.0195, Zn 0.9805; L: Sr 0.0195, Zn 0.9805_ | experimental | [1] Zhong 2003; _cites Volkovich 1978_ | Table 2, p. 2, row 12; `ORC-7ZMBUIB3IU` | | | Phase composition | | 1048.15 | Liquid + L; _Liquid: Sr 0.0187, Zn 0.9813; L: Sr 0.0187, Zn 0.9813_ | model | [1] Zhong 2003 | Table 2, p. 2, row 13; `ORC-VB6MDSEMT7` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Yu Zhong, Koray Ozturk, Zi-Kui Liu, Thermodynamic modeling of the Ca-Sr-Zn ternary system, JPE 24, 340-346 (2003). [doi:10.1361/105497103770330325](https://doi.org/10.1361/105497103770330325) ## 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-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 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_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/).