# Ag–Al system

> Ag–Al system: 94 accepted literature values (mixing / partial 55, invariant reaction 31, phase equilibrium 5, phase transition 2) and 5 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

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

94 accepted literature values from 2 paper(s) (experimental 72, model 16, unspecified 6); 5 calculated phase diagram(s). 1 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: [JSON](https://data.orchid-project.org/literature/systems/AG-AL.json) · [CSV](https://data.orchid-project.org/systems/AG-AL.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#AG-AL) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-04Wit.json) · [phases (5)](https://data.orchid-project.org/phases/pages/AG-AL.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/AG-AL.html) · [Markdown](https://data.orchid-project.org/systems/AG-AL.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 72 |
| model | 16 |
| unspecified | 6 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 31 |
| phase transition | 2 |
| phase equilibrium | 5 |
| mixing / partial | 55 |
| other property | 1 |

## 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.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| AgAl-04Wit.tdb | V.T. Witusiewicz, U. Hecht, S.G. Fries, S. Rex, J. Alloys Compd. 385, 133-43(2004). [doi:10.1016/j.jallcom.2004.04.126](https://doi.org/10.1016/j.jallcom.2004.04.126) | `5e45c3ca7a36f2e6f35e3746779d8dbf073b7a0a83e5b2c8682c7cca05d62bdf` | [viewer](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-04Wit.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgAl-04Wit.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgAl-04Wit.json) |
| AgAl-20Ter.tdb | S. Terlicka, A. Debski, W. Gierlotka, A. Wierzbicka-Miernik, A. Budziak, A. Sypien, M. Zabrocki, W. Gasior, Calphad, 68, 101739(2020). [doi:10.1016/j.calphad.2020.101739](https://doi.org/10.1016/j.calphad.2020.101739) | `a837f56ad4c96476bedbad9166e31b67f617629eff2f473385ec9acbe6caaa09` | [viewer](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-20Ter.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgAl-20Ter.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgAl-20Ter.json) |
| AgAl-80Spe.tdb | P.J. Spencer, O. Kubaschewski, unpublished, 1980. | `f7ece3c580423ee312d8bc6e72adffe39d572b3efbdd70d0d37d78fc03b1ee53` | [viewer](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-80Spe.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgAl-80Spe.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgAl-80Spe.json) |
| AgAl-87Spe.tdb | P.J. Spencer, O. Kubaschewski, Monatshefte Chem., 118, 155-67(1987). [doi:10.1007/BF00810049](https://doi.org/10.1007/BF00810049) | `bc64253f66e7370a6cb9d2043ba7a3f429ea65e87d256b092e6192926b11d611` | [viewer](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-87Spe.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgAl-87Spe.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgAl-87Spe.json) |
| AgAl-95Lim-LB.tdb | S.S. Lim, P.L. Rossiter, J.E. Tibballs, Calphad, 19, 131-41(1995). [doi:10.1016/0364-5916(95)00014-6](https://doi.org/10.1016/0364-5916%2895%2900014-6) | `50d3ba34c63e1b8b6e5de02031794cf0830a185f34d33df3a3be2f6597dda704` | [viewer](https://orchid-project.org/phase-diagrams/#AG-AL/AgAl-95Lim-LB.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/AgAl-95Lim-LB.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/AgAl-95Lim-LB.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| AgAl-04Wit.tdb | 1052.96 | FCC_A1 (x(Al) 0.18346) + BCC_A2 (x(Al) 0.20553) + LIQUID (x(Al) 0.2133) |
| AgAl-04Wit.tdb | 1000.75 | BCC_A2 (x(Al) 0.29173) + HCP_A3 (x(Al) 0.32171) + LIQUID (x(Al) 0.32383) |
| AgAl-04Wit.tdb | 882.87 | FCC_A1 (x(Al) 0.20121) + HCP_A3 (x(Al) 0.23064) + BCC_A2 (x(Al) 0.23205) |
| AgAl-04Wit.tdb | 838.93 | HCP_A3 (x(Al) 0.39062) + LIQUID (x(Al) 0.66997) + FCC_A1 (x(Al) 0.73007) |
| AgAl-04Wit.tdb | 728.09 | FCC_A1 (x(Al) 0.19323) + CUB_A13 (x(Al) 0.2329) + HCP_A3 (x(Al) 0.24166) |
| AgAl-20Ter.tdb | 1050.5 | FCC_A1 (x(Al) 0.17422) + BCC_A2 (x(Al) 0.20582) + LIQUID (x(Al) 0.22598) |
| AgAl-20Ter.tdb | 1003.61 | BCC_A2 (x(Al) 0.28126) + HCP_A3 (x(Al) 0.322) + LIQUID (x(Al) 0.3231) |
| AgAl-20Ter.tdb | 882.11 | FCC_A1 (x(Al) 0.19662) + HCP_A3 (x(Al) 0.23009) + BCC_A2 (x(Al) 0.2381) |
| AgAl-20Ter.tdb | 838.65 | HCP_A3 (x(Al) 0.40976) + LIQUID (x(Al) 0.67927) + FCC_A1 (x(Al) 0.72502) |
| AgAl-20Ter.tdb | 731.17 | FCC_A1 (x(Al) 0.18783) + CUB_A13 (x(Al) 0.22314) + HCP_A3 (x(Al) 0.22831) |
| AgAl-80Spe.tdb | 1048.21 | FCC_A1 (x(Al) 0.17457) + BCC_A2 (x(Al) 0.21625) + LIQUID (x(Al) 0.22996) |
| AgAl-80Spe.tdb | 1002.45 | BCC_A2 (x(Al) 0.29256) + HCP_A3 (x(Al) 0.31148) + LIQUID (x(Al) 0.33228) |
| AgAl-80Spe.tdb | 859.31 | FCC_A1 (x(Al) 0.19878) + BCC_A2 (x(Al) 0.22842) + HCP_A3 (x(Al) 0.23225) |
| AgAl-80Spe.tdb | 835.43 | HCP_A3 (x(Al) 0.46632) + LIQUID (x(Al) 0.65631) + FCC_A1 (x(Al) 0.70161) |
| AgAl-80Spe.tdb | 740.16 | FCC_A1 (x(Al) 0.19676) + CUB_A13 (x(Al) 0.2238) + HCP_A3 (x(Al) 0.2249) |
| AgAl-80Spe.tdb | 433.72 | FCC_A1 (x(Al) 0.11072) + HCP_A3 (x(Al) 0.1121) + CUB_A13 (x(Al) 0.17119) |
| AgAl-87Spe.tdb | 1048.92 | FCC_A1 (x(Al) 0.17738) + BCC_A2 (x(Al) 0.2117) + LIQUID (x(Al) 0.22727) |
| AgAl-87Spe.tdb | 999.64 | BCC_A2 (x(Al) 0.29865) + HCP_A3 (x(Al) 0.32614) + LIQUID (x(Al) 0.33586) |
| AgAl-87Spe.tdb | 869.08 | FCC_A1 (x(Al) 0.21085) + BCC_A2 (x(Al) 0.23426) + HCP_A3 (x(Al) 0.23941) |
| AgAl-87Spe.tdb | 829.98 | HCP_A3 (x(Al) 0.41736) + LIQUID (x(Al) 0.64657) + FCC_A1 (x(Al) 0.76182) |
| AgAl-87Spe.tdb | 729.14 | FCC_A1 (x(Al) 0.21012) + CUB_A13 (x(Al) 0.23255) + HCP_A3 (x(Al) 0.2486) |
| AgAl-95Lim-LB.tdb | 1051.22 | FCC_A1 (x(Al) 0.16374) + BCC_A2 (x(Al) 0.20799) + LIQUID (x(Al) 0.2311) |
| AgAl-95Lim-LB.tdb | 1003.18 | BCC_A2 (x(Al) 0.27866) + LIQUID (x(Al) 0.31602) + HCP_A3 (x(Al) 0.32762) |
| AgAl-95Lim-LB.tdb | 881.4 | FCC_A1 (x(Al) 0.19343) + HCP_A3 (x(Al) 0.23041) + BCC_A2 (x(Al) 0.2349) |
| AgAl-95Lim-LB.tdb | 840.01 | HCP_A3 (x(Al) 0.4128) + LIQUID (x(Al) 0.6557) + FCC_A1 (x(Al) 0.74189) |
| AgAl-95Lim-LB.tdb | 730.58 | FCC_A1 (x(Al) 0.1918) + CUB_A13 (x(Al) 0.22251) + HCP_A3 (x(Al) 0.23444) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/AG/AG-AL.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/AG/AG-AL.json) · [CALPHAD hull AgAl-04Wit](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-AL--AgAl-04Wit.json) · [CALPHAD hull AgAl-80Spe](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-AL--AgAl-80Spe.json) · [CALPHAD hull AgAl-87Spe](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-AL--AgAl-87Spe.json) · [CALPHAD hull AgAl-95Lim-LB](https://data.orchid-project.org/hulls/calphad-sgte/AG/AG-AL--AgAl-95Lim-LB.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Ag–Al system (31)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 1053 | peritectic: (Ag) + Liquid -> β | (Ag): Al 0.178; L: Al 0.212; β: Al 0.207 | experimental | [1] Witusiewicz 2004; _cites Hansen 1958_ | Table 7, p. 8, row 1; `ORC-243NHKDVGC` |  |
| 1053 | peritectic: (Ag) + Liquid -> β | (Ag): Al 0.184; L: Al 0.213; β: Al 0.206 | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 4; `ORC-O4AONCNA7K` |  |
| 1053 | peritectic: (Ag) + liq -> β | (Ag): Al 0.178; L: Al 0.212; β: Al 0.207 | experimental | [2] Spencer 1987; _cites Hansen 1969_ | Table 3, p. 11, row 1; `ORC-XWGGGF223Y` |  |
| 1051 | peritectic: (Ag) + Liquid -> β | (Ag): Al 0.164; L: Al 0.231; β: Al 0.208 | model | [1] Witusiewicz 2004; _cites S-S 1995_ | Table 7, p. 8, row 3; `ORC-3EJAZUYDER` |  |
| 1050 | peritectic: (Ag) + Liquid -> β | (Ag): Al 0.177; L: Al 0.225; β: Al 0.217 | model | [1] Witusiewicz 2004; _cites Spencer 1987_ | Table 7, p. 8, row 2; `ORC-2LWKYMAZAF` |  |
| 1050 | peritectic: (Ag) + liq -> β | (Ag): Al 0.177; L: Al 0.225; β: Al 0.212 | model | [2] Spencer 1987 | Table 3, p. 11, row 2; `ORC-XWL7IAB77L` |  |
| 1003 | eutectic: Liquid -> β + ζ | L: Al 0.316; β: Al 0.279; ζ: Al 0.328 | model | [1] Witusiewicz 2004; _cites S-S 1995_ | Table 7, p. 8, row 7; `ORC-QBD5DVDUT7` |  |
| 1001 | peritectic: Liquid + β -> ζ | L: Al 0.324; β: Al 0.292; ζ: Al 0.322 | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 8; `ORC-TYORW5SPIA` |  |
| 1000 | peritectic: Liquid + β -> ζ | L: Al 0.333; β: Al 0.297; ζ: Al 0.326 | model | [1] Witusiewicz 2004; _cites Spencer 1987_ | Table 7, p. 8, row 6; `ORC-LX2RTIAH7P` |  |
| 1000 | peritectic: Liquid + β -> ζ | L: Al 0.33; β: Al 0.3; ζ: Al 0.32 | experimental | [1] Witusiewicz 2004; _cites Hansen 1958_ | Table 7, p. 8, row 5; `ORC-QONZXTYQJR` |  |
| 1000 | peritectic: β + liq -> ζ | β: Al 0.297; L: Al 0.333; ζ: Al 0.326 | model | [2] Spencer 1987 | Table 3, p. 11, row 4; `ORC-S3A5FGMB7C` |  |
| 1000 | peritectic: β + liq -> ζ | β: Al 0.3; L: Al 0.33; ζ: Al 0.32 | experimental | [2] Spencer 1987; _cites Hansen 1969_ | Table 3, p. 11, row 3; `ORC-SGL3MTF5EH` |  |
| 883 | peritectoid: β + (Ag) -> ζ | β: Al 0.232; (Ag): Al 0.201; ζ: Al 0.231 | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 18; `ORC-KGGS4IQ6SP` |  |
| 883 | peritectoid: β + (Ag) -> ζ | β: Al 0.238; (Ag): Al 0.203; ζ: Al 0.235 | experimental | [1] Witusiewicz 2004; _cites Hansen 1958_ | Table 7, p. 8, row 15; `ORC-T5NUSXFWFL` |  |
| 883 | peritectoid: (Ag) + β -> ζ | (Ag): Al 0.203; β: Al 0.238; ζ: Al 0.235 | experimental | [2] Spencer 1987; _cites Hansen 1969_ | Table 3, p. 11, row 7; `ORC-WF2C56PEMB` |  |
| 881 | peritectoid: β + (Ag) -> ζ | β: Al 0.235; (Ag): Al 0.193; ζ: Al 0.23 | model | [1] Witusiewicz 2004; _cites S-S 1995_ | Table 7, p. 8, row 17; `ORC-YO7CUHXDTG` |  |
| 870 | eutectoid: β -> (Ag) + ζ | β: Al 0.234; (Ag): Al 0.21; ζ: Al 0.239 | model | [1] Witusiewicz 2004; _cites Spencer 1987_ | Table 7, p. 8, row 16; `ORC-5JJZIZW6B4` |  |
| 870 | eutectoid: β -> (Ag) + ζ | β: Al 0.234; (Ag): Al 0.21; ζ: Al 0.239 | model | [2] Spencer 1987 | Table 3, p. 11, row 8; `ORC-BPGGVE3QGN` |  |
| 840 | eutectic: Liquid -> ζ + (Al) | L: Al 0.656; ζ: Al 0.413; (Al): Al 0.742 | model | [1] Witusiewicz 2004; _cites S-S 1995_ | Table 7, p. 8, row 12; `ORC-R7NDXXKYDW` |  |
| 839 | eutectic: Liquid -> ζ + (Al) | L: Al 0.67; ζ: Al 0.42; (Al): Al 0.762 | experimental | [1] Witusiewicz 2004; _cites Hansen 1958_ | Table 7, p. 8, row 9; `ORC-AR6QJ2C7M4` |  |
| 839 | eutectic: Liquid -> ζ + (Al) | L: Al 0.67; ζ: Al 0.391; (Al): Al 0.73 | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 14; `ORC-LDG6MIS277.02a2bd` |  |
| 839 | eutectic: liq -> ζ + (Al) | L: Al 0.67; ζ: Al 0.42; (Al): Al 0.762 | experimental | [2] Spencer 1987; _cites Hansen 1969_ | Table 3, p. 11, row 5; `ORC-TOTSGOQCNM` |  |
| 838 | eutectic: liq -> ζ + (Al) | L: Al 0.673; ζ: Al 0.419; (Al): Al 0.764 | model | [2] Spencer 1987 | Table 3, p. 11, row 6; `ORC-LK7DZFMMLA` |  |
| 838 | eutectic: Liquid -> ζ + (Al) | L: Al 0.667; ζ: Al 0.39; (Al): Al 0.73 | experimental | [1] Witusiewicz 2004 | Table 7, p. 8, row 10; `ORC-LSPWJMZAVQ` |  |
| 838 | eutectic: Liquid -> ζ + (Al) | L: Al 0.673; ζ: Al 0.419; (Al): Al 0.764 | model | [1] Witusiewicz 2004; _cites Spencer 1987_ | Table 7, p. 8, row 11; `ORC-WEOG2D2QIU` |  |
| 731 | peritectoid: (Ag) + ζ -> µ | (Ag): Al 0.192; ζ: Al 0.234; µ: Al 0.223 | model | [1] Witusiewicz 2004; _cites S-S 1995_ | Table 7, p. 8, row 21; `ORC-UWCQ2KCCKJ` |  |
| 729 | peritectoid: (Ag) + ζ -> µ | (Ag): Al 0.209; ζ: Al 0.249; µ: Al 0.231 | model | [1] Witusiewicz 2004; _cites Spencer 1987_ | Table 7, p. 8, row 20; `ORC-ASKZCPPJ5Q` |  |
| 729 | peritectoid: (Ag) + ζ -> μ | (Ag): Al 0.209; ζ: Al 0.249; μ: Al 0.231 | model | [2] Spencer 1987 | Table 3, p. 11, row 10; `ORC-URUFJ7ZS75` |  |
| 728 | peritectoid: (Ag) + ζ -> μ | (Ag): Al 0.199; ζ: Al 0.238; μ: Al 0.232 | experimental | [2] Spencer 1987; _cites Hansen 1969_ | Table 3, p. 11, row 9; `ORC-46V4FZTKZN` |  |
| 728 | peritectoid: (Ag) + ζ -> µ | (Ag): Al 0.199; ζ: Al 0.238; µ: Al 0.232 | experimental | [1] Witusiewicz 2004; _cites Hansen 1958_ | Table 7, p. 8, row 19; `ORC-GIZCPPFHRG` |  |
| 728 | peritectoid: (Ag) + ζ -> µ | (Ag): Al 0.193; ζ: Al 0.242; µ: Al 0.233 | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 22; `ORC-HJVHHELWHC` |  |

## Other properties

### Phase transition (2)

Table: Phase transition, Ag–Al system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase transition | 875 K | 875 | congruent transformation: β -> ζ; _β: Al 0.25; ζ: Al 0.25_ | experimental | [1] Witusiewicz 2004; _cites Hume-Rothery 1940_ | Table 7, p. 8, row 23; `ORC-7ZH5DXQQ6X` |  |
| Phase transition | 881 K | 881 | congruent transformation: β -> ζ; _β: Al 0.245; ζ: Al 0.245_ | unspecified | [1] Witusiewicz 2004 | Table 7, p. 8, row 24; `ORC-CHHZ7YENEW` |  |

### Phase equilibrium (5)

Table: Phase equilibrium, Ag–Al system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Phase composition |  | 590.15 | ζ; _ζ: Ag 0.6192, Al 0.3808_ | experimental | [1] Witusiewicz 2004 | Table 1, p. 2, row 1; `ORC-RZXYDDJGWB` |  |
| Phase composition |  | 673.15 | (Al) + ζ; _(Al): Ag 0.0225, Al 0.9775; ζ: Ag 0.6274, Al 0.3726_ | experimental | [1] Witusiewicz 2004 | Table 1, p. 2, row 3; `ORC-WVAPGR2J45` |  |
| Phase composition |  | 773.15 | (Al) + ζ; _(Al): Ag 0.1527, Al 0.8473; ζ: Ag 0.6148, Al 0.3852_ | experimental | [1] Witusiewicz 2004 | Table 1, p. 2, row 2; `ORC-F4DJ7DOQNP` |  |
| Phase composition |  | 773.15 | (Al) + ζ; _(Al): Ag 0.08183, Al 0.91817; ζ: Ag 0.6176, Al 0.3824_ | experimental | [1] Witusiewicz 2004 | Table 1, p. 2, row 4; `ORC-ZGQGJIXIDX` |  |
| Phase composition |  | 838.15 | (Al) + ζ; _(Al): Ag 0.2647, Al 0.7353; ζ: Ag 0.6129, Al 0.3871_ | experimental | [1] Witusiewicz 2004 | Table 1, p. 2, row 5; `ORC-BO2F5FB2NK` |  |

### Mixing / partial (55)

Table: Mixing / partial, Ag–Al system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Enthalpy of mixing; _printed: ΔH_ | 0.075 kJ/mol (basis unstated) | 1257 | liquid; _alloy: Ag 0.01119, Al 0.98881_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 33; `ORC-OUFFZ4NUT6.dddf79` |  |
| Enthalpy of mixing; _printed: ΔH_ | -1.102 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.241, Al 0.759_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 21; `ORC-2O4JUH27VB.b662f4` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.757 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.4178, Al 0.5822_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 28; `ORC-2TX7LFD3MI.cb130d` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.774 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.8798, Al 0.1202_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 4; `ORC-3I6VR6ZDAU.b6b8e8` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.002 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0215, Al 0.9785_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 14; `ORC-3MQYJ52Q7A.d8b724` |  |
| Enthalpy of mixing; _printed: ΔH_ | -4.765 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.6667, Al 0.3333_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 9; `ORC-3XTZIFYB7M.ff15e7` |  |
| Enthalpy of mixing; _printed: ΔH_ | -1.917 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3212, Al 0.6788_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 23; `ORC-6UT22CYEGJ.9ea29f` |  |
| Enthalpy of mixing; _printed: ΔH_ | 0.009 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0405, Al 0.9595_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 15; `ORC-E3HWG773UQ.d51db9` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.891 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.432, Al 0.568_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 30; `ORC-EBF4OI2QO5.bb0e15` |  |
| Enthalpy of mixing; _printed: ΔH_ | -4.765 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7502, Al 0.2498_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 7; `ORC-EYFSFUAOVH.8de409` |  |
| Enthalpy of mixing; _printed: ΔH_ | -1.796 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3094, Al 0.6906_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 24; `ORC-GRNVJBZUX6.d70c6a` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.285 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3609, Al 0.6391_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 26; `ORC-J34CQRFRYX.757c44` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.063 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3376, Al 0.6624_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 25; `ORC-JJXTGT5WZG.5a0ce9` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.325 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1428, Al 0.8572_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 19; `ORC-JZHLVSS7DQ.e32bda` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.804 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1965, Al 0.8035_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 20; `ORC-N3SLK5V6IG.6c88e2` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.372 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1504, Al 0.8496_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 18; `ORC-ND2S3K6D7B.a912bf` |  |
| Enthalpy of mixing; _printed: ΔH_ | -4.906 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7099, Al 0.2901_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 8; `ORC-ONHTONOTXV.d850b1` |  |
| Enthalpy of mixing; _printed: ΔH_ | -4.787 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.6715, Al 0.3285_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 10; `ORC-OSHJJERJUE.c2bed0` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.049 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0694, Al 0.9306_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 16; `ORC-RHYNPE2UN5.ebca2d` |  |
| Enthalpy of mixing; _printed: ΔH_ | -0.182 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1133, Al 0.8867_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 17; `ORC-RNTCHNYGJO.0e2266` |  |
| Enthalpy of mixing; _printed: ΔH_ | -1.455 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.9394, Al 0.0606_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 3; `ORC-SQTEOVU3NE.3ea98c` |  |
| Enthalpy of mixing; _printed: ΔH_ | -1.41 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.2772, Al 0.7228_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 22; `ORC-XIYJYCCKVM.906e3b` |  |
| Enthalpy of mixing; _printed: ΔH_ | -4.571 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7829, Al 0.2171_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 6; `ORC-XL3EPH2WPK.d5301e` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.574 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3941, Al 0.6059_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 27; `ORC-Y36OVWBV23.ed8574` |  |
| Enthalpy of mixing; _printed: ΔH_ | -2.652 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.4043, Al 0.5957_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 29; `ORC-Y4RGPLOXQI.3890cc` |  |
| Enthalpy of mixing; _printed: ΔH_ | -3.688 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.8375, Al 0.1625_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 5; `ORC-YFE2RMPEYL.6a45e4` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0 kJ/mol (basis unstated) | 1257 | liquid; _alloy: Ag 0, Al 1_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 32; `ORC-B4KB6D5M4Q.430eea` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 6.268 kJ/mol (basis unstated) | 1257 | liquid; _alloy: Ag 0.01119, Al 0.98881_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 33; `ORC-OUFFZ4NUT6.fa142c` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -6.54 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.241, Al 0.759_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 21; `ORC-2O4JUH27VB.82b4ac` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -7.76 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.4178, Al 0.5822_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 28; `ORC-2TX7LFD3MI.6d8435` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -23.06 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.8798, Al 0.1202_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 4; `ORC-3I6VR6ZDAU.8500d6` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0.86 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0215, Al 0.9785_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 14; `ORC-3MQYJ52Q7A.c4babd` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -3.49 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.6667, Al 0.3333_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 9; `ORC-3XTZIFYB7M.a287eb` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -10.35 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3212, Al 0.6788_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 23; `ORC-6UT22CYEGJ.577e03` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0, Al 1_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 12; `ORC-A457RLOQUZ.aefe52` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 1, Al 0_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 2; `ORC-D4UB6MT7XP.d34adf` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0.97 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0405, Al 0.9595_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 15; `ORC-E3HWG773UQ.4ad25a` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.38 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.432, Al 0.568_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 30; `ORC-EBF4OI2QO5.511f72` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -9.84 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7502, Al 0.2498_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 7; `ORC-EYFSFUAOVH.6e6c5d` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 1.58 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3094, Al 0.6906_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 24; `ORC-GRNVJBZUX6.a2f228` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.78 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3609, Al 0.6391_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 26; `ORC-J34CQRFRYX.f24645` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.8 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3376, Al 0.6624_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 25; `ORC-JJXTGT5WZG.8b2f2f` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0.52 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1428, Al 0.8572_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 19; `ORC-JZHLVSS7DQ.97b8c6` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.06 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1965, Al 0.8035_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 20; `ORC-N3SLK5V6IG.0fd009` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -4.57 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1504, Al 0.8496_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 18; `ORC-ND2S3K6D7B.055d54` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.15 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7099, Al 0.2901_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 8; `ORC-ONHTONOTXV.9fd12a` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -6.17 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.6715, Al 0.3285_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 10; `ORC-OSHJJERJUE.8c8e33` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -1.47 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.0694, Al 0.9306_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 16; `ORC-RHYNPE2UN5.9793eb` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -2.44 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.1133, Al 0.8867_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 17; `ORC-RNTCHNYGJO.04a6dd` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -24.49 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.9394, Al 0.0606_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 3; `ORC-SQTEOVU3NE.afb847` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -7.96 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.2772, Al 0.7228_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 22; `ORC-XIYJYCCKVM.8da3c5` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -18.02 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.7829, Al 0.2171_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 6; `ORC-XL3EPH2WPK.f69353` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -8.49 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.3941, Al 0.6059_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 27; `ORC-Y36OVWBV23.64b0fb` |  |
| Partial enthalpy; _printed: ΔH̄i_ | 0.84 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.4043, Al 0.5957_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 29; `ORC-Y4RGPLOXQI.63560c` |  |
| Partial enthalpy; _printed: ΔH̄i_ | -22.35 kJ/mol (basis unstated) | 1373 | liquid; _alloy: Ag 0.8375, Al 0.1625_ | experimental | [1] Witusiewicz 2004 | Table 2, p. 4, row 5; `ORC-YFE2RMPEYL.9ed313` |  |

### Other property (1)

Table: Other property, Ag–Al system

| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---:|---:|---|---|---|---|---|
| Other; _printed: transformation enthalpy_ | 1008 J/g-atom | 875 |  | model | [2] Spencer 1987 | p. 10; `ORC-432IKDX533` | “transformation enthalpy ~ ~/~ (875 K) obtained from the evaluation for an alloy of composition XA1= 0.245 is 1 008J/g-atom.” |

## Sources

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

1. V.T. Witusiewicz, U. Hecht, S.G. Fries, S. Rex, The Ag–Al–Cu system, Journal of Alloys and Compounds 385, 133-143 (2004). [doi:10.1016/j.jallcom.2004.04.126](https://doi.org/10.1016/j.jallcom.2004.04.126)
2. Philip J. Spencer, Oswald Kubaschewski, A thermodynamic evaluation of the Ag-Al system, Monatsh Chem 118, 155-167 (1987). [doi:10.1007/bf00810049](https://doi.org/10.1007/bf00810049)

## 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-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/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). https://doi.org/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). 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_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}
}
```

---

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/).