# Al–Ni–Y system

> Al–Ni–Y system: 76 accepted literature values (invariant reaction 46, formation 30) and 0 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/AL-NI-Y.html · Markdown: https://data.orchid-project.org/systems/AL-NI-Y.md

76 accepted literature values from 1 paper(s) (experimental 9, model 67); 0 calculated phase diagram(s).

Data: [JSON](https://data.orchid-project.org/literature/systems/AL-NI-Y.json) · [CSV](https://data.orchid-project.org/systems/AL-NI-Y.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#AL-NI-Y) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/AL-NI-Y.html) · [Markdown](https://data.orchid-project.org/systems/AL-NI-Y.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 9 |
| model | 67 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 46 |
| formation | 30 |

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Al–Ni–Y system (46)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 4020.15 | eutectic: Liq + τ8-NiAlY + τ5-Ni3Al7Y2 (e4) |  | model | [1] Huang 2015 | Table 4, p. 7, row 47; `ORC-G2GQ6LNTGE` |  |
| 3627.15 | eutectic: Liq + τ8-NiAlY + τ10-Ni6Al2Y3 (e3) |  | model | [1] Huang 2015 | Table 4, p. 7, row 46; `ORC-RZMQL65Z2Y` |  |
| 1971.15 | peritectic: Liq + τ5-Ni3Al7Y2 + τ8-NiAlY -> τ6-Ni2Al3Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 1; `ORC-QHXKMROOUD` |  |
| 1933.15 | quasi-peritectic: Liq + τ10-Ni6Al2Y3 -> Ni5Y + τ12-Ni8AlY3 |  | model | [1] Huang 2015 | Table 4, p. 7, row 2; `ORC-QJPT5NKTMT` |  |
| 1886.15 | peritectic: Liq + τ5-Ni3Al7Y2 + τ8-NiAlY -> Al2Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 3; `ORC-SESBYIDOFN` |  |
| 1855.15 | eutectic: Liq + NiY + τ5-Ni3Al7Y2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 45; `ORC-SNJN5MNNRE` |  |
| 1835.15 | quasi-peritectic: Liq + τ5-Ni3Al7Y2 -> NiAl + τ6-Ni2Al3Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 4; `ORC-UPDFNG43TO` |  |
| 1800.15 | quasi-peritectic: Liq + τ10-Ni6Al2Y3 -> τ8-NiAlY + Ni5Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 5; `ORC-K2PJIJNA7T` |  |
| 1739.15 | quasi-peritectic: Liq + τ6-Ni2Al3Y -> τ8-NiAlY + NiAl |  | model | [1] Huang 2015 | Table 4, p. 7, row 6; `ORC-OU3UUNAIKB` |  |
| 1692.15 | eutectic: Liq -> τ8-NiAlY + Ni5Y + NiAl |  | model | [1] Huang 2015 | Table 4, p. 7, row 7; `ORC-U5NP3NE7F6` |  |
| 1627.15 | eutectic: Liq + τ8-NiAlY + τ10-Ni6Al2Y3 |  | model | [1] Huang 2015 | Table 4, p. 7, row 43; `ORC-Z5AHDSH2HH` |  |
| 1606.15 | quasi-peritectic: Liq + Ni17Y2 -> Ni5Y + (Ni) |  | model | [1] Huang 2015 | Table 4, p. 7, row 8; `ORC-MM34HOQ2ZW` |  |
| 1589.15 | eutectic: Liq -> Ni5Y + Ni3Al + (Ni) |  | model | [1] Huang 2015 | Table 4, p. 7, row 9; `ORC-TKPB32COWF` |  |
| 1587.15 | eutectic: Liq -> Ni5Y + NiAl + Ni3Al |  | model | [1] Huang 2015 | Table 4, p. 7, row 10; `ORC-A7XJRQCUVR` |  |
| 1570.15 | quasi-peritectic: Liq + Ni4Y -> Ni5Y + Ni7Y2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 11; `ORC-JDI56TKNZQ` |  |
| 1534.15 | quasi-peritectic: Liq + Ni5Y -> τ12-Ni8AlY3 + Ni7Y2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 12; `ORC-VAJPJYCC6A` |  |
| 1509.15 | quasi-peritectic: Liq + Ni7Y2 -> τ12-Ni8AlY3 + Ni3Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 13; `ORC-3X5QQI5UOI` |  |
| 1503.15 | quasi-peritectic: Liq + τ5-Ni3Al7Y2 -> τ3-NiAl4Y + Al2Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 14; `ORC-OC2GVOHUX3` |  |
| 1485.15 | peritectic: Liq + τ8-NiAlY + τ10-Ni6Al2Y3 -> τ9-Ni2AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 15; `ORC-D5A77QWX3D` |  |
| 1466.15 | quasi-peritectic: Liq + τ5-Ni3Al7Y2 -> τ1-Ni6Al23Y4 + τ3-NiAl4Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 16; `ORC-4ZC24ZWV3U` |  |
| 1393.15 | quasi-peritectic: Liq + NiAl -> Ni2Al3 + τ5-Ni3Al7Y2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 17; `ORC-GOZL3O6P7B` |  |
| 1378.15 | quasi-peritectic: Liq + Ni3Y -> τ12-Ni8AlY3 + Ni2Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 18; `ORC-XP23LLXOV2` |  |
| 1377.15 | quasi-peritectic: Liq + τ5-Ni3Al7Y2 -> Ni2Al3 + τ1-Ni6Al23Y4 |  | model | [1] Huang 2015 | Table 4, p. 7, row 19; `ORC-M54PANHMER` |  |
| 1353.15 | peritectic: Liq + τ9-Ni2AlY2 + τ10-Ni6Al2Y3 -> τ11-Ni3AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 20; `ORC-4HEHMTIXI5` |  |
| 1352.15 | eutectic: Liq + Al2Y3 + τ8-NiAlY | Al2Y3: Al 0.4, Ni 0, Y 0.6 | model | [1] Huang 2015 | Table 4, p. 7, row 42; `ORC-GOEE3OG4GN` |  |
| 1351.15 | eutectic: Liq -> τ8-NiAlY + Al2Y + Al2Y3 | Al2Y3: Al 0.4, Ni 0, Y 0.6 | model | [1] Huang 2015 | Table 4, p. 7, row 21; `ORC-5F32ZGYQ2W` |  |
| 1351.15 | eutectic: Liq -> Al2Y + Al2Y3 + AlY | Al2Y3: Al 0.4, Ni 0, Y 0.6 | model | [1] Huang 2015 | Table 4, p. 7, row 22; `ORC-QVYQFAQF2A` |  |
| 1340.15 | eutectic: Liq + α-Y + τ8-NiAlY |  | model | [1] Huang 2015 | Table 4, p. 7, row 41; `ORC-UFLYZNBGAW` |  |
| 1289.15 | quasi-peritectic: Liq + τ10-Ni6Al2Y3 -> NiY + τ11-Ni3AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 23; `ORC-IACGPQRD2I` |  |
| 1243.15 | quasi-peritectic: Liq + τ11-Ni3AlY2 -> NiY + τ9-Ni2AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 24; `ORC-WCT2TNLEOM` |  |
| 1237.15 | quasi-peritectic: Liq + Al2Y -> τ3-NiAl4Y + Al3Y_HT | Al3Y_HT: Al 0.75, Ni 0, Y 0.25 | model | [1] Huang 2015 | Table 4, p. 7, row 25; `ORC-GEG3KVUJJD` |  |
| 1229.15 | quasi-peritectic: Liq + τ12-Ni8AlY3 -> Ni2Y + τ10-Ni6Al2Y3 |  | model | [1] Huang 2015 | Table 4, p. 7, row 26; `ORC-K4IK2PEE5K` |  |
| 1221.15 | eutectic: Liq -> Ni2Y + τ10-Ni6Al2Y3 + NiY |  | model | [1] Huang 2015 | Table 4, p. 7, row 27; `ORC-6O74Y2LE4S` |  |
| 1212.15 | quasi-peritectic: Liq + Al2Y3 -> AlY2 + τ8-NiAlY | Al2Y3: Al 0.4, Ni 0, Y 0.6; AlY2: Al 0.333333, Ni 0, Y 0.666667 | model | [1] Huang 2015 | Table 4, p. 7, row 28; `ORC-K6TFBHALR2` |  |
| 1157.15 | eutectic: Liq -> AlY2 + α-Y + τ8-NiAlY | AlY2: Al 0.333333, Ni 0, Y 0.666667 | model | [1] Huang 2015 | Table 4, p. 7, row 29; `ORC-BYLWV2SJTX` |  |
| 1136.15 | peritectic: Liq + Ni2Al3 + τ1-Ni6Al23Y4 -> τ2-Ni3Al9Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 30; `ORC-QKUMESXFTM` |  |
| 1120.15 | quasi-peritectic: Liq + Ni2Al3 -> Al3Ni + τ2-Ni3Al9Y |  | model | [1] Huang 2015 | Table 4, p. 7, row 31; `ORC-UR2B2TYLSP` |  |
| 1117.15 | quasi-peritectic: Liq + τ3-NiAl4Y -> Al3Y_HT + τ1-Ni6Al23Y4 | Al3Y_HT: Al 0.75, Ni 0, Y 0.25 | model | [1] Huang 2015 | Table 4, p. 7, row 32; `ORC-QF7TP6I5GJ` |  |
| 1113.15 | quasi-peritectic: Liq + τ8-NiAlY -> α-Y + τ9-Ni2AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 33; `ORC-H76JGKAZ2E` |  |
| 1113.15 | quasi-peritectic: Liq + τ2-Ni3Al9Y -> τ1-Ni6Al23Y4 + NiAl3 |  | model | [1] Huang 2015 | Table 4, p. 7, row 34; `ORC-YMDGVHUWNU` |  |
| 1095.15 | eutectic: Liq -> NiY3 + α-Y + τ9-Ni2AlY2 |  | model | [1] Huang 2015 | Table 4, p. 7, row 35; `ORC-NGT5IYKTIL` |  |
| 1081.15 | quasi-peritectic: Liq + NiY -> τ9-Ni2AlY2 + Ni2Y3 | Ni2Y3: Al 0, Ni 0.4, Y 0.6 | model | [1] Huang 2015 | Table 4, p. 7, row 36; `ORC-TLBNYDRISF` |  |
| 1059.15 | eutectic: Liq -> τ9-Ni2AlY2 + Ni2Y3 + NiY3 | Ni2Y3: Al 0, Ni 0.4, Y 0.6 | model | [1] Huang 2015 | Table 4, p. 7, row 37; `ORC-RLGSX57WJ5` |  |
| 917.15 | quasi-peritectic: Liq + Al3Y_HT -> τ1-Ni6Al23Y4 + Al3Y_LT | Al3Y_HT: Al 0.75, Ni 0, Y 0.25 | model | [1] Huang 2015 | Table 4, p. 7, row 38; `ORC-ZMJWQVGUZD` |  |
| 911.15 | eutectic: Liq -> (Al) + τ1-Ni6Al23Y4 + NiAl3 |  | model | [1] Huang 2015 | Table 4, p. 7, row 39; `ORC-VR4RKQDT7M` |  |
| 906.15 | eutectic: Liq -> (Al) + Al3Y_HT + τ1-Ni6Al23Y4 | Al3Y_HT: Al 0.75, Ni 0, Y 0.25 | model | [1] Huang 2015 | Table 4, p. 7, row 40; `ORC-RHHNWGTDTG` |  |

## 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](https://data.orchid-project.org/literature/dft_parity.json).

Table: Enthalpies of formation, Al–Ni–Y system (30)

| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---:|---:|---|---:|---:|---|---|---|
| τ1 Ni6Al23Y4 |  | -50.8 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 3; `ORC-Y2PNC2U53T.c21b7b` |  |
| τ1 Ni6Al23Y4 |  | -50.752 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 1; `ORC-B7BKYSV45H.763b37` |  |
| τ1 Ni6Al23Y4 |  | -50.6 kJ/mol-atom | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 2; `ORC-PIKWTIFFLT.28e733` |  |
| τ10 Ni6Al2Y3 |  | -55.4 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 26; `ORC-ITIAKKCAYV.3f182a` |  |
| τ10 Ni6Al2Y3 |  | -51.773 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 24; `ORC-AMAAIOYIXT.085453` |  |
| τ10 Ni6Al2Y3 |  | -48.5 kJ/mol-atom ± 1.5 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 25; `ORC-HPNGKBHL7Q.7e48ad` |  |
| τ11 Ni3AlY2 |  | -52 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 27; `ORC-KF4MN32LPX.250c9c` |  |
| τ12 Ni8AlY3 |  | -44.3 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 30; `ORC-6TRMSHZSPO.8c8249` |  |
| τ12 Ni8AlY3 |  | -40.483 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 28; `ORC-4KB6GFOUUL.d2c77b` |  |
| τ12 Ni8AlY3 |  | -37.9 kJ/mol-atom ± 2.5 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 29; `ORC-QBXP4WN4EH.1119f0` |  |
| τ2 Ni3Al9Y |  | -55.3 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 6; `ORC-7QFNGIGWOU.9bb083` |  |
| τ2 Ni3Al9Y |  | -54 kJ/mol-atom ± 0.8 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 5; `ORC-ERGDTKCCNO.dbe85d` |  |
| τ2 Ni3Al9Y |  | -48.899 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 4; `ORC-DHLOLLCEX4.8ef961` |  |
| τ3 NiAl4Y |  | -59.8 kJ/mol-atom | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 8; `ORC-SCXLN5PW5J.1fb030` |  |
| τ3 NiAl4Y |  | -59.4 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 9; `ORC-7ZAKWZJKQI.81ac43` |  |
| τ3 NiAl4Y |  | -54.8 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 7; `ORC-SES5BLP2FG.e2c526` |  |
| τ4 NiAl3Y |  | -70.1 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 10; `ORC-GZBRKGJF7B.3af3c5` |  |
| τ5 Ni3Al7Y2 |  | -50.517 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 11; `ORC-MHPRG6I4U6.f78530` |  |
| τ6 Ni2Al3Y |  | -62.8 kJ/mol-atom ± 1.5 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 13; `ORC-UGHIJTFJXQ.d60bca` |  |
| τ6 Ni2Al3Y |  | -62.6 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 14; `ORC-EGL3ADSAO7.6c0dc5` |  |
| τ6 Ni2Al3Y |  | -61.683 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 12; `ORC-WSGDUORRBL.16553a` |  |
| τ7 NiAl2Y |  | -65.6 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 17; `ORC-3F36TJWVZM.d90e70` |  |
| τ7 NiAl2Y |  | -64.3 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 15; `ORC-O77PPQNUJY.f7e85c` |  |
| τ7 NiAl2Y |  | -62.8 kJ/mol-atom ± 2.3 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 16; `ORC-BCJLH5QZP3.d8e17e` |  |
| τ8 NiAlY |  | -60.967 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 18; `ORC-QLRQVWDSVU.5c2b26` |  |
| τ8 NiAlY |  | -60.5 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 20; `ORC-NP3EJJFEUD.65c881` |  |
| τ8 NiAlY |  | -54.1 kJ/mol-atom ± 0.9 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 19; `ORC-UAONAY6USS.6eaf6c` |  |
| τ9 Ni2AlY2 |  | -54.8 kJ/mol-atom |  | model |  |  | [1] Huang 2015; _cites ref. 25_ | Table 3, p. 4, row 23; `ORC-WLBYLNEHT5.889901` |  |
| τ9 Ni2AlY2 |  | -54.1 kJ/mol-atom |  | model |  |  | [1] Huang 2015 | Table 3, p. 4, row 21; `ORC-7XU2L7SOH7.13a4ad` |  |
| τ9 Ni2AlY2 |  | -54.1 kJ/mol-atom ± 0.9 | 298.15 | experimental |  |  | [1] Huang 2015; _cites ref. 27_ | Table 3, p. 4, row 22; `ORC-RIU6VQODTD.ff9f9c` |  |

## Sources

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

1. Jiapeng Huang, Bin Yang, Huiming Chen, Hang Wang, Thermodynamic Optimisation of the Ni-Al-Y Ternary System, J. Phase Equilib. Diffus. 36, 357-365 (2015). [doi:10.1007/s11669-015-0390-6](https://doi.org/10.1007/s11669-015-0390-6)

## 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). https://doi.org/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). https://doi.org/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.

```bibtex
@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}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).