SmAl₂ is an intermetallic compound composed of samarium and aluminum, belonging to the rare-earth aluminide family of materials. While not widely commercialized as a bulk engineering material, SmAl₂ and related rare-earth aluminides are of significant research interest for applications requiring high stiffness and thermal stability at elevated temperatures, and for magnetic or electronic functionality in specialized contexts. The material's combination of light density with relatively high elastic moduli makes it potentially attractive for aerospace and defense applications, though processing challenges and cost considerations have limited its adoption compared to conventional titanium or nickel-base superalloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 75.60 | GPa | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G) | 54.00 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.337 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 22.64 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5700 | eV/atom | — | ||
| ↳ | -0.5365 | eV/atom | — |