ScAl3 is an intermetallic compound combining scandium and aluminum, belonging to the family of lightweight metallic compounds with ordered crystal structures. This material is primarily of research and developmental interest rather than established in high-volume industrial production, investigated for potential applications where high stiffness-to-weight ratios and thermal stability are advantageous. Engineers consider ScAl3 in advanced aerospace and structural applications where scandium's premium cost is justified by performance gains, though commercial adoption remains limited compared to conventional aluminum alloys and titanium-based systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 84.29 | GPa | — | ||
| ↳ | 84.29 | GPa | — | ||
| ↳ | 84.27 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.000313 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.1729 | - | — | ||
| ↳ | 0.1900 | - | — | ||
Shear Modulus(G)3 entries | 70.52 | GPa | — | ||
| ↳ | 70.52 | GPa | — | ||
| ↳ | 67.00 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.002 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 3.410 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00680 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4508 | eV/atom | — | ||
| ↳ | -0.4826 | eV/atom | — |