C–Cr–Nb system

11 accepted literature values from 1 paper(s) (experimental 6, model 5); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	6
model	5

Accepted values by property group
Property group	Values
invariant reaction	1
phase equilibrium	10

Invariant reactions (literature)

Invariant reactions reported in the literature for the C–Cr–Nb system (1)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1913	eutectic		experimental	[1] Khvan 2012 cites Dovbenko 2000 doi	p. 3 report	The melting temperature of the (NbC)þ Cr eutectic was corrected and reported as 1913 K.

Other properties

Phase equilibrium (10)

Phase equilibrium, C–Cr–Nb system
Property	T (K)	Phases / composition	Class	Source	Location
Phase composition	1821	Cr23C6 Cr23C6: C 0.2068, Cr 0.7833, Nb 0.0099	model	[1] Khvan 2012	Table 4, p. 5, row 7 report
Phase composition	1825	Cr23C6 Cr23C6: C 0.207, Cr 0.78, Nb 0.013	experimental	[1] Khvan 2012 cites Ya 2001	Table 4, p. 5, row 8 report
Phase composition	1853	Cr7C3 Cr7C3: C 0.291, Cr 0.705, Nb 0.004	experimental	[1] Khvan 2012 cites Ya 2001	Table 4, p. 5, row 10 report
Phase composition	1874	Nb2C Nb2C: C 0.3316, Cr 0.0304, Nb 0.638	model	[1] Khvan 2012	Table 4, p. 5, row 5 report
Phase composition	1879	Cr7C3 Cr7C3: C 0.29995, Cr 0.6997, Nb 3.500e-4	model	[1] Khvan 2012	Table 4, p. 5, row 9 report
Phase composition	1907	Nb2C Nb2C: C 0.3182, Cr 0.0067, Nb 0.6751	model	[1] Khvan 2012	Table 4, p. 5, row 3 report
Phase composition	1934	Nb2C Nb2C: C 0.29, Cr 0.02, Nb 0.69	experimental	[1] Khvan 2012 cites Ya 2001	Table 4, p. 5, row 4 report
Phase composition	1953	Nb2C Nb2C: C 0.22, Cr 0.02, Nb 0.76	experimental	[1] Khvan 2012 cites Ya 2001	Table 4, p. 5, row 6 report
Phase composition	2013	NbC NbC: C 0.42, Cr 0.15, Nb 0.43	experimental	[1] Khvan 2012 cites Ya 2001	Table 4, p. 5, row 2 report
Phase composition	2096	NbC NbC: C 0.4949, Cr 0.1445, Nb 0.3606	model	[1] Khvan 2012	Table 4, p. 5, row 1 report

Sources

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

A.V. Khvan, B. Hallstedt, K. Chang, Thermodynamic assessment of Cr–Nb–C and Mn–Nb–C systems, Calphad 39, 54-61 (2012). doi:10.1016/j.calphad.2012.09.002

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). 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}
}