# Al–Na system > Al–Na system: 8 accepted literature values (invariant reaction 8) and 1 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote. HTML: https://data.orchid-project.org/systems/AL-NA.html · Markdown: https://data.orchid-project.org/systems/AL-NA.md 8 accepted literature values from 1 paper(s) (experimental 4, model 4); 1 calculated phase diagram(s). Data: [JSON](https://data.orchid-project.org/literature/systems/AL-NA.json) · [CSV](https://data.orchid-project.org/systems/AL-NA.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#AL-NA) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#AL-NA/AlNa-06Zha.json) · [phases (4)](https://data.orchid-project.org/phases/pages/AL-NA.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/AL-NA.html) · [Markdown](https://data.orchid-project.org/systems/AL-NA.md) Table: Accepted values by evidence class | Evidence class | Values | |---|---:| | experimental | 4 | | model | 4 | Table: Accepted values by property group | Property group | Values | |---|---:| | invariant reaction | 8 | ## 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 | |---|---|---|---| | AlNa-06Zha.tdb | S. Zhang, Q. Han, Z.-K. Liu, J. Alloys Compd., 419, 91-97(2006). [doi:10.1016/j.jallcom.2005.10.002](https://doi.org/10.1016/j.jallcom.2005.10.002) | `e3af44669614f4fe1012baee8b21f8a53d85adc328a1487b27d7cece28558c00` | [viewer](https://orchid-project.org/phase-diagrams/#AL-NA/AlNa-06Zha.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AlNa-06Zha.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AlNa-06Zha.json) | Table: Calculated three-phase invariants (model, mole fraction of the second component) | TDB file | T (K) | Phases at the invariant | |---|---:|---| | AlNa-06Zha.tdb | 933.47 | FCC_A1 (x(Na) 0) + LIQUID#2 (x(Na) 0) + LIQUID (x(Na) 1) | | AlNa-06Zha.tdb | 932.28 | FCC_A1 (x(Na) 2.000e-5) + LIQUID#2 (x(Na) 0.00146) + LIQUID (x(Na) 1) | | AlNa-06Zha.tdb | 932.27 | FCC_A1 (x(Na) 2.000e-5) + LIQUID#2 (x(Na) 0.00142) + LIQUID (x(Na) 1) | | AlNa-06Zha.tdb | 370.92 | FCC_A1 (x(Na) 0) + BCC_A2 (x(Na) 0.9999) + LIQUID (x(Na) 1) | | AlNa-06Zha.tdb | 370.92 | FCC_A1 (x(Na) 0) + BCC_A2 (x(Na) 0.9999) + LIQUID (x(Na) 1) | Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/AL/AL-NA.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/AL/AL-NA.json) ## Invariant reactions (literature) Table: Invariant reactions reported in the literature for the Al–Na system (8) | T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote | |---:|---|---|---|---|---|---| | 1157 | Gas -> liquid1 + liquid2 | Gas: Na 1; liquid1: Na 0.00238; liquid2: Na 1 | model | [1] Zhang 2006 | Table 2, p. 4, row 1; `ORC-NSAX544YVU` | | | 932 | monotectic: Liquid1 -> fcc(Al) + liquid2 | Liquid1: Na 0.0014; fcc(Al): Na 2.000e-5 | experimental | [1] Zhang 2006; _cites Ransley 1950_ | Table 2, p. 4, row 6; `ORC-4WVY22J5YD` | | | 932 | monotectic: Liquid1 -> fcc(Al) + liquid2 | Liquid1: Na 0.0014; fcc(Al): Na 2.000e-5; liquid2: Na 1 | model | [1] Zhang 2006 | Table 2, p. 4, row 2; `ORC-BML4XDUVRQ` | | | 932 | monotectic: Liquid1 -> fcc(Al) + liquid2 | Liquid1: Na 0.0018; fcc(Al): Na 2.300e-5 | model | [1] Zhang 2006; _cites Murray 1983_ [doi](https://doi.org/10.1007/bf02868094) | Table 2, p. 4, row 3; `ORC-NKXDP3JTPF` | | | 932 | monotectic: Liquid1 -> fcc(Al) + liquid2 | Liquid1: Na 0.0018 | experimental | [1] Zhang 2006; _cites Fink 1948_ | Table 2, p. 4, row 5; `ORC-QNFY7HJ4MA` | | | 930 | monotectic: Liquid1 -> fcc(Al) + liquid2 | | experimental | [1] Zhang 2006; _cites Mathewson 1906_ | Table 2, p. 4, row 4; `ORC-K727IVHNLK` | | | 371 | eutectic: Liquid2 -> fcc(Al) + bcc(Na) | Liquid2: Na 0.9999; fcc(Al): Na 0; bcc(Na): Na 1 | model | [1] Zhang 2006 | Table 2, p. 4, row 7; `ORC-IJHBBH4PEM` | | | 371 | eutectic: Liquid2 -> fcc(Al) + bcc(Na) | | experimental | [1] Zhang 2006; _cites Mathewson 1906_ | Table 2, p. 4, row 8; `ORC-XCZRVQ2GR4` | | ## Sources Reporting papers the values were read from (a value cited from another work names that work in its row). 1. Shengjun Zhang, Qingyou Han, Zi-Kui Liu, Thermodynamic modeling of the Al–Mg–Na system, Journal of Alloys and Compounds 419, 91-97 (2006). [doi:10.1016/j.jallcom.2005.10.002](https://doi.org/10.1016/j.jallcom.2005.10.002) ## 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/).