Al–Yb system

20 accepted literature values from 1 paper(s) (experimental 14, model 5, unspecified 1); 1 calculated phase diagram(s). 10 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	14
model	5
unspecified	1

Accepted values by property group
Property group	Values
invariant reaction	15
phase transition	5

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
AlYb-08Men.tdb	F.G. Meng, L.G. Zhang, H.S. Liu, L.B. Liu, Z.P. Jin, J. Alloys Compd., 452, 279-82(2008). doi:10.1016/j.jallcom.2006.11.023	`616ba32d9c51287b18b1da15b72d73cc86d81f88332d7612ff5b1377887b8d63`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AlYb-08Men.tdb	1250.81	LIQUID (x(Yb) 0.12245) + AL3YB_L12 (x(Yb) 0.25) + AL2YB_C15 (x(Yb) 0.33333)
AlYb-08Men.tdb	1250.8	LIQUID (x(Yb) 0.12234) + AL3YB_L12 (x(Yb) 0.25) + AL2YB_C15 (x(Yb) 0.33333)
AlYb-08Men.tdb	1250.8	LIQUID (x(Yb) 0.12232) + AL3YB_L12 (x(Yb) 0.25) + AL2YB_C15 (x(Yb) 0.33333)
AlYb-08Men.tdb	989.32	LIQUID (x(Yb) 0.86582) + BCC_A2 (x(Yb) 0.98185) + FCC_A1 (x(Yb) 0.98925)
AlYb-08Men.tdb	950.89	AL2YB_C15 (x(Yb) 0.33333) + LIQUID (x(Yb) 0.81836) + FCC_A1 (x(Yb) 0.9854)
AlYb-08Men.tdb	950.89	AL2YB_C15 (x(Yb) 0.33333) + LIQUID (x(Yb) 0.81813) + FCC_A1 (x(Yb) 0.98538)
AlYb-08Men.tdb	903.41	FCC_A1 (x(Yb) 3.000e-5) + LIQUID (x(Yb) 0.02884) + AL3YB_L12 (x(Yb) 0.25)
AlYb-08Men.tdb	903.41	FCC_A1 (x(Yb) 3.000e-5) + LIQUID (x(Yb) 0.02873) + AL3YB_L12 (x(Yb) 0.25)

Convex hulls: OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–Yb system (15)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1338	Liquid + Al2Yb -> Al3Yb	Al2Yb: Yb 0.333333; Al3Yb: Yb 0.25	experimental	[1] Meng 2008 cites Kulifeev 1971	Table 2, p. 3, row 7 report
1253.15	peritectic		experimental	[1] Meng 2008 cites Palenzona 1972 doi	p. 2 report	The peritectic decomposition of Al3 Yb was found to be at 980 ◦ C, instead of the 1065 ◦ C claimed by Kulifeev et al. [8].
1253	Liquid + Al2Yb -> Al3Yb	Al2Yb: Yb 0.333333; Al3Yb: Yb 0.25	experimental	[1] Meng 2008 cites Palenzona 1972 doi	Table 2, p. 3, row 6 report
1251	Liquid + Al2Yb -> Al3Yb	L: Yb 0.122; Al2Yb: Yb 0.333; Al3Yb: Yb 0.25	model	[1] Meng 2008	Table 2, p. 3, row 5 report
989	(γYb) -> liquid + (βYb)	(γYb): Yb 0.982; L: Yb 0.866; (βYb): Yb 0.989	model	[1] Meng 2008	Table 2, p. 3, row 14 report
985	(γYb) -> liquid + (βYb)	(γYb): Yb 0.975	experimental	[1] Meng 2008 cites Palenzona 1972 doi	Table 2, p. 3, row 15 report
951	eutectic: Liquid -> Al2Yb + (βYb)	L: Yb 0.818; Al2Yb: Yb 0.333; (βYb): Yb 0.985	model	[1] Meng 2008	Table 2, p. 3, row 11 report
948	eutectic: Liquid -> Al2Yb + (βYb)	L: Yb 0.775; Al2Yb: Yb 0.333333	experimental	[1] Meng 2008 cites Palenzona 1972 doi	Table 2, p. 3, row 12 report
938.15	eutectic		experimental	[1] Meng 2008	p. 1 report	Moreover, two eutectic reactions were found-one at about 35 at.% Al and 665 ◦ C between (Yb) and Al2 Yb, and the other between (Al) and Al3 Yb at 627 ◦ C and 95 at.% Al.
938	eutectic: Liquid -> Al2Yb + (βYb)	Al2Yb: Yb 0.333333	experimental	[1] Meng 2008 cites Kulifeev 1971	Table 2, p. 3, row 13 report
903	eutectic: Liquid -> (Al) + Al3Yb	L: Yb 0.029; (Al): Yb 0; Al3Yb: Yb 0.25	model	[1] Meng 2008	Table 2, p. 3, row 1 report
900.15	eutectic		experimental	[1] Meng 2008	p. 1 report	Moreover, two eutectic reactions were found-one at about 35 at.% Al and 665 ◦ C between (Yb) and Al2 Yb, and the other between (Al) and Al3 Yb at 627 ◦ C and 95 at.% Al.
900	eutectic: Liquid -> (Al) + Al3Yb	L: Yb 0.05; Al3Yb: Yb 0.25	experimental	[1] Meng 2008 cites Kulifeev 1971	Table 2, p. 3, row 4 report
898	eutectic: Liquid -> (Al) + Al3Yb	L: Yb 0.04; Al3Yb: Yb 0.25	experimental	[1] Meng 2008 cites Palenzona 1972 doi	Table 2, p. 3, row 2 report
898	eutectic: Liquid -> (Al) + Al3Yb	L: Yb 0.027; Al3Yb: Yb 0.25	unspecified	[1] Meng 2008 cites Kononenko 1990	Table 2, p. 3, row 3 report

Other properties

Phase transition (5)

Phase transition, Al–Yb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1628 K	1628	Liquid -> Al2Yb L: Yb 0.333333; Al2Yb: Yb 0.333333	model	[1] Meng 2008	Table 2, p. 3, row 8 report
Phase transition	1633 K	1633	Liquid -> Al2Yb L: Yb 0.333333; Al2Yb: Yb 0.333333	experimental	[1] Meng 2008 cites Palenzona 1972 doi	Table 2, p. 3, row 9 report
Phase transition	1633.15 K	1633.15	Al2Yb	experimental	[1] Meng 2008	p. 2 report	The melting point of Al2 Yb was shown to be 1360 ◦ C, instead of 1450 ◦ C.
Phase transition	1723 K	1723	Liquid -> Al2Yb L: Yb 0.333333; Al2Yb: Yb 0.333333	experimental	[1] Meng 2008 cites Kulifeev 1971	Table 2, p. 3, row 10 report
Phase transition	1723.15 K	1723.15	congruent transformation	experimental	[1] Meng 2008	p. 1 report	Al2 Yb was shown to melt congruently at 1450 ◦ C and Al3 Yb to decompose peritectically at 1065 ◦ C to the liquid phase and Al2 Yb.

Sources

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

F.G. Meng, L.G. Zhang, H.S. Liu, L.B. Liu, Z.P. Jin, Thermodynamic optimization of the Al–Yb binary system, Journal of Alloys and Compounds 452, 279-282 (2008). doi:10.1016/j.jallcom.2006.11.023

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}
}