Al–Si–V system

27 accepted literature values from 1 paper(s) (experimental 12, model 15); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	12
model	15

Accepted values by property group
Property group	Values
invariant reaction	12
phase equilibrium	7
formation	2
crystal structure	6

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–Si–V system (12)
T (K)	Reaction / phases	Class	Source	Location
1247.15	L + Si3V5 -> Al3V + τ	model	[1] Luo 2018	Table 4, p. 9, row 11 report
1235.15	L + Si3V5 -> Al3V + τ	experimental	[1] Luo 2018	Table 4, p. 9, row 12 report
1141.15	L + τ -> Al3V + Si2V	model	[1] Luo 2018	Table 4, p. 9, row 9 report
1138.15	L + τ -> Al3V + Si2V	experimental	[1] Luo 2018	Table 4, p. 9, row 10 report
1016.15	L + Al3V + Si2V -> Al45V7	model	[1] Luo 2018	Table 4, p. 9, row 7 report
1008.15	L + Al3V -> Al23V4 + Al45V7	model	[1] Luo 2018	Table 4, p. 9, row 6 report
1004.15	L + Al3V + Si2V -> Al45V7	experimental	[1] Luo 2018	Table 4, p. 9, row 8 report
925.15	L + Al21V2 -> Al45V7 + fcc(Al)	model	[1] Luo 2018	Table 4, p. 9, row 5 report
915.15	L + Al45V7 -> fcc(Al) + Si2V	model	[1] Luo 2018	Table 4, p. 9, row 3 report
893.15	L + Al45V7 -> fcc(Al) + Si2V	experimental	[1] Luo 2018	Table 4, p. 9, row 4 report
850.15	L + Si2V -> fcc(Al) + Si	model	[1] Luo 2018	Table 4, p. 9, row 1 report
843.15	L + Si2V -> fcc(Al) + Si	experimental	[1] Luo 2018	Table 4, p. 9, row 2 report

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Al–Si–V system (2)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location	Quote
τ		-52.409 kJ/mol-atom		model			[1] Luo 2018	Table 3, p. 5, row 26 report
τ		-10.083 kJ/mol-atom		model			[1] Luo 2018	Table 3, p. 5, row 27 report

Other properties

Phase equilibrium (7)

Phase equilibrium, Al–Si–V system
Property	T (K)	Phases / composition	Class	Source	Location
Phase composition	773.15	Fcc(Al) + Al45V7 + Si3V5 + Al3V + Si2V Fcc(Al): Al 0.987, Si 0.011, V 0.002; Al45V7: Al 0.831, Si 0.035, V 0.134; Si3V5: Al 0.018, Si 0.382, V 0.6; Al3V: Al 0.729, Si 0.016, V 0.254; Si2V: Al 0.09, Si 0.591, V 0.319	experimental	[1] Luo 2018	Table 1, p. 5, row 1 report
Phase composition	773.15	Fcc(Al) + Al45V7 + Si3V5 + Si2V Fcc(Al): Al 0.988, Si 0.007, V 0.005; Al45V7: Al 0.821, Si 0.041, V 0.137; Si3V5: Al 0.053, Si 0.373, V 0.574; Si2V: Al 0.07, Si 0.607, V 0.323	experimental	[1] Luo 2018	Table 1, p. 5, row 2 report
Phase composition	773.15	Fcc(Al) + Si + Si2V + L Fcc(Al): Al 0.99, Si 0.008, V 0.002; Si: Al 0.005, Si 0.994, V 0.001; Si2V: Al 0.026, Si 0.64, V 0.334; L: Al 0.975, Si 0.025, V 0	experimental	[1] Luo 2018	Table 1, p. 5, row 4 report
Phase composition	773.15	Fcc(Al) + Si2V + L + Al45V7 Fcc(Al): Al 0.985, Si 0.014, V 0.001; Si2V: Al 0.078, Si 0.597, V 0.325; L: Al 0.988, Si 0.008, V 0.004; Al45V7: Al 0.824, Si 0.04, V 0.136	experimental	[1] Luo 2018	Table 1, p. 5, row 3 report
Phase composition	1033.15	Al3V Al3V: Al 0.722, Si 0.028, V 0.25	experimental	[1] Luo 2018	Table 2, p. 5, row 1 report
Phase composition	1123.15	Al3V Al3V: Al 0.729, Si 0.019, V 0.252	experimental	[1] Luo 2018	Table 2, p. 5, row 2 report
Phase composition	1203.15	Al3V Al3V: Al 0.727, Si 0.024, V 0.249	experimental	[1] Luo 2018	Table 2, p. 5, row 3 report

Crystal structure (6)

Crystal structure, Al–Si–V system
Property	Value	Phases / composition	Class	Source	Location
Lattice a printed: a	4.551 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 26 report
Lattice a printed: a	4.961 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 27 report
Lattice b printed: b	8.039 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 26 report
Lattice b printed: b	8.284 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 27 report
Lattice c printed: c	8.426 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 26 report
Lattice c printed: c	8.961 Å	τ	model	[1] Luo 2018	Table 3, p. 5, row 27 report

Sources

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

Qun Luo, Kang Li, Qian Li, Thermodynamic investigation of phase equilibria in Al–Si–V system, Journal of Materials Science & Technology 34, 1592-1601 (2018). doi:10.1016/j.jmst.2018.01.004

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}
}