Al–Ni–Pr system

66 accepted literature values from 1 paper(s) (experimental 1, model 53, DFT 12); 0 calculated phase diagram(s). 3 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	1
model	53
DFT	12

Accepted values by property group
Property group	Values
invariant reaction	37
formation	29

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–Ni–Pr system (37)
T (K)	Reaction / phases	Class	Source	Location
1644.15	quasi-peritectic: Liq + τ7 -> τ4 + τ5	model	[1] Liao 2019	Table 5, p. 10, row 1 report
1613.15	eutectic: Liq -> τ2 + τ5 + τ4	model	[1] Liao 2019	Table 5, p. 10, row 2 report
1545.15	eutectic: Liq -> τ2 + NiAl + τ4	model	[1] Liao 2019	Table 5, p. 10, row 3 report
1530.15	eutectic: Liq -> τ6 + Ni5Pr + fcc	model	[1] Liao 2019	Table 5, p. 10, row 4 report
1511.15	eutectic: Liq -> NiAl + τ4 + τ7	model	[1] Liao 2019	Table 5, p. 10, row 5 report
1491.15	quasi-peritectic: Liq + τ2 -> τ3 + τ5	model	[1] Liao 2019	Table 5, p. 10, row 6 report
1490.15	quasi-peritectic: Liq + Ni5Pr -> τ6 + Ni17Pr2	model	[1] Liao 2019	Table 5, p. 10, row 7 report
1454.15	peritectic: Liq + τ6 + fcc -> Ni5Pr	model	[1] Liao 2019	Table 5, p. 10, row 8 report
1419.15	eutectic: Liq -> τ7 + τ6 + τ8	model	[1] Liao 2019	Table 5, p. 10, row 9 report
1414.15	eutectic: Liq -> τ5 + PrAl2 + τ3	model	[1] Liao 2019	Table 5, p. 10, row 10 report
1403.15	quasi-peritectic: Liq + fcc -> Ni5Pr + Ni3Al	model	[1] Liao 2019	Table 5, p. 10, row 11 report
1396.15	eutectic: Liq -> PrAl2 + τ3 + β_Pr3Al11	model	[1] Liao 2019	Table 5, p. 10, row 12 report
1375.15	quasi-peritectic: Liq + NiAl -> Al3Ni2 + τ2	model	[1] Liao 2019	Table 5, p. 10, row 13 report
1362.15	eutectic: Liq -> Ni5Pr + Ni3Al + NiAl	model	[1] Liao 2019	Table 5, p. 10, row 14 report
1359.15	eutectic: Liq -> Ni5Pr + τ7 + τ6	model	[1] Liao 2019	Table 5, p. 10, row 15 report
1338.15	eutectic: Liq -> Ni5Pr + NiAl + τ7	model	[1] Liao 2019	Table 5, p. 10, row 16 report
1268.15	quasi-peritectic: Liq + Ni17Pr2 -> τ6 + Ni3Pr	model	[1] Liao 2019	Table 5, p. 10, row 17 report
1240.15	peritectic: Liq + τ6 + Ni3Pr -> Ni2Pr	model	[1] Liao 2019	Table 5, p. 10, row 18 report
1238.15	quasi-peritectic: Liq + β_Pr3Al11 -> τ3 + α_Pr3Al11	model	[1] Liao 2019	Table 5, p. 10, row 19 report
1221.15	quasi-peritectic: Liq + τ2 -> τ3 + τ1	model	[1] Liao 2019	Table 5, p. 10, row 20 report
1158.15	quasi-peritectic: Liq + τ2 -> τ1 + Al3Ni2	model	[1] Liao 2019	Table 5, p. 10, row 21 report
1110.15	quasi-peritectic: Liq + Al3Ni2 -> Al3Ni + τ1	model	[1] Liao 2019	Table 5, p. 10, row 22 report
1100.15	quasi-peritectic: Liq + τ3 -> α_Pr3Al11 + τ1	model	[1] Liao 2019	Table 5, p. 10, row 23 report
1074.15	quasi-peritectic: Liq + τ5 -> τ7 + PrAl2	model	[1] Liao 2019	Table 5, p. 10, row 24 report
1073.15	quasi-peritectic: Liq + τ6 -> τ8 + Ni2Pr	model	[1] Liao 2019	Table 5, p. 10, row 25 report
934.15	quasi-peritectic: Liq + Ni2Pr -> τ8 + NiPr	model	[1] Liao 2019	Table 5, p. 10, row 26 report
909.15	quasi-peritectic: Liq + τ1 -> α_Pr3Al11 + Al3Ni	model	[1] Liao 2019	Table 5, p. 10, row 27 report
895.15	eutectic: bcc -> Liq + dhcp + Pr3Al	model	[1] Liao 2019	Table 5, p. 10, row 29 report
894.15	eutectic: Liq -> α_Pr3Al11 + fcc + τ1	model	[1] Liao 2019	Table 5, p. 10, row 28 report
815.15	eutectic: Liq -> τ7 + dhcp + τ8	model	[1] Liao 2019	Table 5, p. 10, row 30 report
784.15	quasi-peritectic: Liq + PrAl2 -> τ7 + PrAl	model	[1] Liao 2019	Table 5, p. 10, row 31 report
780.15	eutectic: Liq -> τ8 + NiPr3 + Ni3Pr7	model	[1] Liao 2019	Table 5, p. 10, row 32 report
772.15	eutectic: Liq -> dhcp + τ8 + NiPr3	model	[1] Liao 2019	Table 5, p. 10, row 33 report
771.15	eutectic: Liq -> τ8 + Ni3Pr7 + NiPr	model	[1] Liao 2019	Table 5, p. 10, row 34 report
720.15	quasi-peritectic: Liq + PrAl -> τ7 + Pr2Al	model	[1] Liao 2019	Table 5, p. 10, row 35 report
650.15	quasi-peritectic: Liq + Pr2Al -> τ7 + Pr3Al	model	[1] Liao 2019	Table 5, p. 10, row 36 report
626.15	eutectic: Liq -> τ7 + Pr3Al + dhcp	model	[1] Liao 2019	Table 5, p. 10, row 37 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–Ni–Pr system (29)
Phase	Value	T (K)	Class	Source	Location
Ni2Al3Pr	-61.34 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 11 report
Ni2Al3Pr	-58.17 kJ/mol-atom		DFT	[1] Liao 2019 cites Kirklin 2015	Table 4, p. 6, row 12 report
Ni2Al3Pr	-57.21 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 13 report
Ni2Al5Pr	-57.02 kJ/mol-atom		DFT	[1] Liao 2019 cites Kirklin 2015	Table 4, p. 6, row 4 report
Ni2Al5Pr	-52.5 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 6 report
Ni2Al5Pr	-49.56 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 3 report
Ni2Al7Pr	-40.61 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 1 report
Ni2AlPr2	-56.01 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 29 report
Ni2AlPr2	-54.19 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 26 report
Ni2AlPr2	-40.48 kJ/mol-atom		DFT	[1] Liao 2019 cites Kirklin 2015	Table 4, p. 6, row 27 report
Ni8AlPr3	-30.96 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 19 report
NiAl2Pr	-55.02 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 16 report
NiAl4Pr	-51.83 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 9 report
NiAl4Pr	-49.91 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 10 report
NiAl4Pr	-49.71 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 7 report
NiAlPr	-66.97 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 22 report
NiAlPr	-62.07 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 25 report
NiAlPr	-56 kJ/mol-atom ± 3	300	experimental	[1] Liao 2019 cites Borzone 2003	Table 4, p. 6, row 21 report
NiAlPr	-47.6 kJ/mol-atom		DFT	[1] Liao 2019 cites Kirklin 2015	Table 4, p. 6, row 23 report
NiAlPr	-46.54 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 24 report
NiAl₂Pr	-66.32 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 15 report
NiAl₂Pr	-66.21 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 17 report
NiAl₄Pr	-52.02 kJ/mol-atom		DFT	[1] Liao 2019 cites Kirklin 2015	Table 4, p. 6, row 8 report
Ni₂AlPr₂	-38.37 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 28 report
Ni₂Al₃Pr	-62.41 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 14 report
Ni₂Al₅Pr	-56.44 kJ/mol-atom		DFT	[1] Liao 2019 cites Jain 2013	Table 4, p. 6, row 5 report
Ni₂Al₇Pr	-40.91 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 2 report
Ni₈AlPr₃	-38.59 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 20 report
Ni₈AlPr₃	-37.18 kJ/mol-atom		model	[1] Liao 2019	Table 4, p. 6, row 18 report

Sources

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

Jinfa Liao, Yuehui Liao, Hang Wang, Ligang Zhang, Yue Ma, Thermodynamic optimization of the Ni–Al–Pr ternary system, Mater. Res. Express 6, 086512 (2019). doi:10.1088/2053-1591/ab19fa

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}
}