Y2AlSi2 is an intermetallic compound combining yttrium, aluminum, and silicon, belonging to the family of rare-earth silicides and aluminides. This material is primarily of research and development interest, investigated for high-temperature structural applications where lightweight performance and thermal stability are required. The combination of rare-earth strengthening with intermetallic bonding makes it a candidate for advanced aerospace and energy applications, though industrial adoption remains limited compared to established superalloys and conventional composites.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 12,204 | ksi | — | ||
| ↳ | 12,204 | ksi | — | ||
| ↳ | 12,670.5 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 1.810 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2619 | - | — | ||
| ↳ | 0.2300 | - | — | ||
Shear Modulus(G)3 entries | 6,907.5 | ksi | — | ||
| ↳ | 6,907.5 | ksi | — | ||
| ↳ | 8,628.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1517 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 9.153 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.7382 | eV/atom | — |