Cd–Na system

16 accepted literature values from 1 paper(s) (experimental 11, model 5); 1 calculated phase diagram(s). 1 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (6) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	11
model	5

Accepted values by property group
Property group	Values
invariant reaction	13
phase transition	3

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.

Assessments with a calculated phase diagram
TDB file	Assessment	SHA-256	Links
CdNa-09Liu.tdb	Y. Liu, D. Yu, Y. Ge, J. Alloys Compd., 473, 60-64(2009). doi:10.1016/j.jallcom.2008.05.106	`4bd4b64380b1409896f51475b4fa1c6aba057b9eff12bbe419c8b7ce8fb86471`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
CdNa-09Liu.tdb	620.88	CD11NA2_D8C (x(Na) 0.15385) + LIQUID (x(Na) 0.21028) + CD2NA (x(Na) 0.33333)
CdNa-09Liu.tdb	620.87	CD11NA2_D8C (x(Na) 0.15385) + LIQUID (x(Na) 0.21061) + CD2NA (x(Na) 0.33333)
CdNa-09Liu.tdb	620.87	CD11NA2_D8C (x(Na) 0.15385) + LIQUID (x(Na) 0.21085) + CD2NA (x(Na) 0.33333)
CdNa-09Liu.tdb	560.96	HCP_A3 (x(Na) 0) + LIQUID (x(Na) 0.04465) + CD11NA2_D8C (x(Na) 0.15385)
CdNa-09Liu.tdb	560.96	HCP_A3 (x(Na) 0) + LIQUID (x(Na) 0.04459) + CD11NA2_D8C (x(Na) 0.15385)
CdNa-09Liu.tdb	368.4	CD2NA (x(Na) 0.33333) + LIQUID (x(Na) 0.99428) + BCC_A2 (x(Na) 1)
CdNa-09Liu.tdb	368.4	CD2NA (x(Na) 0.33333) + LIQUID (x(Na) 0.99429) + BCC_A2 (x(Na) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Cd–Na system (13)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
658	congruent melting: Liq -> Cd2Na	L: Cd 0.666667, Na 0.333333; Cd2Na: Cd 0.666667, Na 0.333333	experimental	[1] Liu 2009 cites Mathewson 1906 doi	Table 2, p. 3, row 10 report
657	congruent melting: Liq -> Cd2Na	L: Cd 0.666667, Na 0.333333; Cd2Na: Cd 0.666667, Na 0.333333	experimental	[1] Liu 2009 cites Kurnakow 1907 doi	Table 2, p. 3, row 11 report
653.9	congruent melting: Liq -> Cd2Na	L: Cd 0.666667, Na 0.333333; Cd2Na: Cd 0.666667, Na 0.333333	model	[1] Liu 2009	Table 2, p. 3, row 9 report
633	congruent melting: Liq -> Cd11Na2	L: Cd 0.846154, Na 0.153846; Cd11Na2: Cd 0.846154, Na 0.153846	experimental	[1] Liu 2009 cites Mathewson 1906 doi	Table 2, p. 3, row 5 report
631.58	congruent melting: Liq -> Cd11Na2	L: Cd 0.846154, Na 0.153846; Cd11Na2: Cd 0.846154, Na 0.153846	model	[1] Liu 2009	Table 2, p. 3, row 4 report
624	eutectic: Liq -> Cd11Na2 + Cd2Na	L: Na 0.192; Cd11Na2: Cd 0.846154, Na 0.153846; Cd2Na: Cd 0.666667, Na 0.333333	experimental	[1] Liu 2009 cites Kurnakow 1907 doi	Table 2, p. 3, row 7 report
620.87	eutectic: Liq -> Cd11Na2 + Cd2Na	L: Na 0.211; Cd11Na2: Cd 0.846154, Na 0.153846; Cd2Na: Cd 0.666667, Na 0.333333	model	[1] Liu 2009	Table 2, p. 3, row 6 report
619	eutectic: Liq -> Cd11Na2 + Cd2Na	L: Na 0.21; Cd11Na2: Cd 0.846154, Na 0.153846; Cd2Na: Cd 0.666667, Na 0.333333	experimental	[1] Liu 2009 cites Mathewson 1906 doi	Table 2, p. 3, row 8 report
564	eutectic: Liq -> Cd11Na2 + hcp	L: Na 0.055; Cd11Na2: Cd 0.846154, Na 0.153846	experimental	[1] Liu 2009 cites Kurnakow 1907 doi	Table 2, p. 3, row 2 report
560.96	eutectic: Liq -> Cd11Na2 + hcp	L: Na 0.045; Cd11Na2: Cd 0.846154, Na 0.153846	model	[1] Liu 2009	Table 2, p. 3, row 1 report
558	eutectic: Liq -> Cd11Na2 + hcp	L: Na 0.055; Cd11Na2: Cd 0.846154, Na 0.153846	experimental	[1] Liu 2009 cites Mathewson 1906 doi	Table 2, p. 3, row 3 report
368.4	eutectic: Liq -> bcc + Cd2Na	L: Na 0.994; Cd2Na: Cd 0.666667, Na 0.333333	model	[1] Liu 2009	Table 2, p. 3, row 12 report
368	eutectic: Liq -> bcc + Cd2Na	Cd2Na: Cd 0.666667, Na 0.333333	experimental	[1] Liu 2009 cites Kurnakow 1907 doi	Table 2, p. 3, row 13 report

Other properties

Phase transition (3)

Phase transition, Cd–Na system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	633 K	633	congruent transformation	experimental	[1] Liu 2009 cites Mathewson 1906 doi	p. 2 report	It was reported by Mathewson [5] that a compound, Cd5 Na, exists and melts congruently at 633 K.
Phase transition	657 K	657	congruent transformation	experimental	[1] Liu 2009 cites Kurnakow 1907 doi	p. 2 report	Both works showed the presence of Cd2 Na which melts congruently at 658 K [5] and 657 K [4], respectively, but the presence of the other compound is not conclusive.
Phase transition	658 K	658	congruent transformation	experimental	[1] Liu 2009 cites Mathewson 1906 doi	p. 2 report	Both works showed the presence of Cd2 Na which melts congruently at 658 K [5] and 657 K [4], respectively, but the presence of the other compound is not conclusive.

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

Yajun Liu, Di Yu, Yang Ge, Thermodynamic optimization of the Cd–Na and Cd–Tl binary systems, Journal of Alloys and Compounds 473, 60-64 (2009). doi:10.1016/j.jallcom.2008.05.106

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). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi: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). doi: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). doi: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.

@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}
}