YAl3 is an intermetallic compound in the yttrium–aluminum system, a metallic material combining rare-earth and lightweight aluminum constituents. This compound is primarily of research and development interest for high-temperature structural applications, where its intermetallic nature offers potential advantages in strength retention and oxidation resistance compared to conventional aluminum alloys. Engineering interest centers on aerospace and advanced manufacturing sectors exploring lightweight yet thermally stable materials, though YAl3 remains largely experimental with limited commercial deployment relative to established superalloys and aluminum alloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 76.32 | GPa | — | ||
| ↳ | 76.32 | GPa | — | ||
| ↳ | 72.77 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.000422 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.1778 | - | — | ||
| ↳ | 0.1800 | - | — | ||
Shear Modulus(G)3 entries | 62.64 | GPa | — | ||
| ↳ | 62.64 | GPa | — | ||
| ↳ | 59.08 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.366 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.01200 | µB | — | ||
Seebeck Coefficient(S) | 1.257 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.9205 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4809 | eV/atom | — | ||
| ↳ | 0.4466 | eV/atom | — |