Ca–Ce–Mg system

56 accepted literature values from 2 paper(s) (experimental 34, model 22); 0 calculated phase diagram(s). 17 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

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Accepted values by evidence class
Evidence class	Values
experimental	34
model	22

Accepted values by property group
Property group	Values
invariant reaction	24
phase transition	24
phase equilibrium	8

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ca–Ce–Mg system (24)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1048.15	quasi-peritectic: L'' + βCa = L' + βCe		model	[1] Hampl 2007	Table 4, p. 5, row 1 report
945.15	other: L' = CaMg2 + CeMg3		model	[1] Hampl 2007	Table 4, p. 5, row 2 report
943.15	other: L' + L'' = CeMg		model	[1] Hampl 2007	Table 4, p. 5, row 3 report
926.15	eutectic: L'' = βCe + CeMg + L'		model	[1] Hampl 2007	Table 4, p. 5, row 4 report
920.63	Mg2Ce + liquid 2 -> Mg3Ce + liquid 1	unspecified (invariant point): Ce 0.2687, Mg 0.692	model	[2] Zhang 2008	Table 7, p. 7, row 2 report
918.56	MgCe + liquid 1 -> Mg2Ce + liquid 2	unspecified (invariant point): Ce 0.3271, Mg 0.5744	model	[2] Zhang 2008	Table 7, p. 7, row 1 report
888.15	quasi-peritectic: L + CeMg2 = CeMg + CeMg3		model	[1] Hampl 2007	Table 4, p. 5, row 5 report
885.15	quasi-peritectic: L + βCe = CeMg + βCa		model	[1] Hampl 2007	Table 4, p. 5, row 6 report
884.15	quasi-peritectic: L + Ce2Mg17 = Ce5Mg41 + CeMg12		model	[1] Hampl 2007	Table 4, p. 5, row 7 report
877.21	Mg17Ce2 + liquid 1 -> Mg41Ce5 + Mg12Ce	unspecified (invariant point): Ce 0.1019, Mg 0.898	model	[2] Zhang 2008	Table 7, p. 7, row 6 report
868.81	Mg3Ce + liquid 1 -> Mg2Ca + Mg41Ce5	unspecified (invariant point): Ce 0.1122, Mg 0.8675	model	[2] Zhang 2008	Table 7, p. 7, row 3 report
866.62	Liquid 1 + liquid 2 + bcc(Ce) -> MgCe	unspecified (invariant point): Ce 0.3514, Mg 0.2882	model	[2] Zhang 2008	Table 7, p. 7, row 7 report
864.15	quasi-peritectic: L + CeMg3 = CaMg2 + Ce5Mg41		experimental	[1] Hampl 2007	Table 4, p. 5, row 9 report
855.15	quasi-peritectic: L + CeMg3 = CaMg2 + Ce5Mg41		model	[1] Hampl 2007	Table 4, p. 5, row 8 report
820.29	Mg41Ce5 + liquid 1 -> Mg12Ce + Mg2Ca	unspecified (invariant point): Ce 0.0954, Mg 0.8871	model	[2] Zhang 2008	Table 7, p. 7, row 4 report
815.15	quasi-peritectic: L + Ce5Mg41 = CaMg2 + CeMg12		model	[1] Hampl 2007	Table 4, p. 5, row 10 report
813.15	quasi-peritectic: L + Ce5Mg41 = CaMg2 + CeMg12		experimental	[1] Hampl 2007	Table 4, p. 5, row 11 report
805.15	quasi-peritectic: L + CeMg3 = CeMg + CaMg2		model	[1] Hampl 2007	Table 4, p. 5, row 12 report
790.3	Liquid 1 -> Mg2Ca + Mg12Ce + hcp(Mg)	unspecified (invariant point): Ce 0.0557, Mg 0.883	model	[2] Zhang 2008	Table 7, p. 7, row 5 report
787.15	eutectic: L = CeMg12 + CaMg2 + (Mg)		model	[1] Hampl 2007	Table 4, p. 5, row 13 report
786.15	eutectic: L = CeMg12 + CaMg2 + (Mg)		experimental	[1] Hampl 2007	Table 4, p. 5, row 14 report
766.21	Liquid 1 + liquid 2 -> bcc(Ca) + Mg3Ce	unspecified (invariant point): Ce 0.2367, Mg 0.5139	model	[2] Zhang 2008	Table 7, p. 7, row 9 report
720.22	Mg3Ce + liquid 2 -> bcc(Ca) + Mg2Ca	unspecified (invariant point): Ce 0.1113, Mg 0.5855	model	[2] Zhang 2008	Table 7, p. 7, row 8 report
718.15	eutectic: L = βCa + CaMg2 + CeMg		model	[1] Hampl 2007	Table 4, p. 5, row 15 report

Other properties

Phase transition (24)

Phase transition, Ca–Ce–Mg system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	732.15 K	732.15	polymorphic: βCa = αCa ((+αCe))	experimental	[1] Hampl 2007	Table 2, p. 4, row 24 report
Phase transition	785.15 K	785.15	eutectic: E2	experimental	[1] Hampl 2007	Table 2, p. 4, row 5 report
Phase transition	786.15 K	786.15	eutectic: E2	experimental	[1] Hampl 2007	Table 2, p. 4, row 11 report
Phase transition	787.15 K	787.15	eutectic: E2	experimental	[1] Hampl 2007	Table 2, p. 4, row 8 report
Phase transition	815.15 K	815.15	other: L + Ce5Mg41 = CaMg2 + CeMg12	model	[1] Hampl 2007	p. 7 report	not differ until the tertiary step, where the reaction U6 at 542 °C is encountered. Under equilibrium conditions the entire amount of Ce5Mg41 (60%) should be completely consumed for this alloy in the transition-type reaction U6, L + Ce5Mg41 = CaMg2 + CeMg12.
Phase transition	823.15 K	823.15	L + CeMg12/L + CeMg12 + (Mg)	experimental	[1] Hampl 2007	Table 2, p. 4, row 6 report
Phase transition	825.15 K	825.15	L + (Mg)/L + (Mg) + CeMg12	experimental	[1] Hampl 2007	Table 2, p. 4, row 28 report
Phase transition	828.15 K	828.15	L + (Mg)/L + (Mg) + CeMg12	experimental	[1] Hampl 2007	Table 2, p. 4, row 2 report
Phase transition	834.15 K	834.15	other: L/L + CeMg12	experimental	[1] Hampl 2007	Table 2, p. 4, row 7 report
Phase transition	839.15 K	839.15	L + CeMg12/L + CeMg12 + (Mg)	experimental	[1] Hampl 2007	Table 2, p. 4, row 30 report
Phase transition	842.15 K	842.15	L + CeMg12/L + CeMg12 + (Mg)	experimental	[1] Hampl 2007	Table 2, p. 4, row 9 report
Phase transition	859.15 K	859.15	L/L + CeMg12	experimental	[1] Hampl 2007	Table 2, p. 4, row 31 report
Phase transition	860.15 K	860.15	other: L/L + CeMg12	experimental	[1] Hampl 2007	Table 2, p. 4, row 10 report
Phase transition	865.15 K	865.15	L/L + Ce5Mg41	experimental	[1] Hampl 2007	Table 2, p. 4, row 33 report
Phase transition	880.15 K	880.15	other: L/L + Ce5Mg41	experimental	[1] Hampl 2007	Table 2, p. 4, row 13 report
Phase transition	884.15 K	884.15	other: L/L + (Mg)	experimental	[1] Hampl 2007	Table 2, p. 4, row 3 report
Phase transition	913.15 K	913.15	other: L/L + CeMg3	experimental	[1] Hampl 2007	Table 2, p. 4, row 17 report
Phase transition	988.15 K	988.15	polymorphic: βCe = αCe + βCa	experimental	[1] Hampl 2007	Table 2, p. 4, row 25 report
Phase transition	1010.15 K	1010.15	other: L/L + CaMg2	experimental	[1] Hampl 2007	Table 2, p. 4, row 21 report
Phase transition	1013.15 K	1013.15	L/L + CaMg2	experimental	[1] Hampl 2007	Table 2, p. 4, row 37 report
Phase transition	1042.15 K	1042.15	other: L/L + CeMg3?	experimental	[1] Hampl 2007	Table 2, p. 4, row 23 report
Phase transition	1078.15 K	1078.15	L″ + βCa = βCe	experimental	[1] Hampl 2007	Table 2, p. 4, row 26 report
Phase transition	1121.15 K	1121.15	L′ + L″ = βCa	experimental	[1] Hampl 2007	Table 2, p. 4, row 27 report
Phase transition	1122.15 K	1122.15	L′ + L″ = βCa	experimental	[1] Hampl 2007	Table 2, p. 4, row 42 report

Phase equilibrium (8)

Phase equilibrium, Ca–Ce–Mg system
Property	Phases / composition	Class	Source	Location
Phase assemblage	(Ca) + (Ce) alloy: Ca 0.5, Ce 0.5, Mg 0	experimental	[1] Hampl 2007	Table 1, p. 4, row 8 report
Phase assemblage	(Mg) + CeMg12 alloy: Ca 0.023, Ce 0.01, Mg 0.967	experimental	[1] Hampl 2007	Table 1, p. 4, row 1 report
Phase assemblage	CaMg2 + CeMg12 alloy: Ca 0.25, Ce 0.04, Mg 0.71	experimental	[1] Hampl 2007	Table 1, p. 4, row 6 report
Phase assemblage	Ce5Mg41 + CaMg2 + (Mg) alloy: Ca 0.057, Ce 0.063, Mg 0.88	experimental	[1] Hampl 2007	Table 1, p. 4, row 4 report
Phase assemblage	CeMg12 + (Mg) alloy: Ca 0.03, Ce 0.04, Mg 0.93	experimental	[1] Hampl 2007	Table 1, p. 4, row 3 report
Phase assemblage	CeMg12 + (Mg) alloy: Ca 0.04, Ce 0.03, Mg 0.93	experimental	[1] Hampl 2007	Table 1, p. 4, row 2 report
Phase assemblage	CeMg3 + Ce5Mg41 + CaMg2 alloy: Ca 0.082, Ce 0.082, Mg 0.836	experimental	[1] Hampl 2007	Table 1, p. 4, row 5 report
Phase assemblage	CeMg3 + CeMg alloy: Ca 0.15, Ce 0.22, Mg 0.63	experimental	[1] Hampl 2007	Table 1, p. 4, row 7 report

Sources

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

Milan Hampl, Joachim Gröbner, Rainer Schmid-Fetzer, Experimental study of phase equilibria and solidification microstructures of Mg–Ca–Ce alloys combined with thermodynamic modeling, J Mater Sci 42, 10023-10031 (2007). doi:10.1007/s10853-007-2002-2
Hui Zhang, Yi Wang, Shunli Shang, Long-Qing Chen, Zi-Kui Liu, Thermodynamic modeling of Mg–Ca–Ce system by combining first-principles and CALPHAD method, Journal of Alloys and Compounds 463, 294-301 (2008). doi:10.1016/j.jallcom.2007.09.020

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 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_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}
}