Sc₂Al is an intermetallic compound combining scandium and aluminum, belonging to the family of lightweight metallic materials with potential for advanced structural applications. This material exhibits characteristics typical of scandium-aluminum intermetallics—a research-stage material family valued for their combination of low density and moderate stiffness. While not yet widely deployed in mainstream production, Sc₂Al and related compounds are investigated for aerospace and high-performance applications where weight reduction and thermal stability are critical, though current limited availability and cost restrict practical adoption compared to conventional aluminum alloys or titanium.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 70.28 | GPa | — | ||
| ↳ | 70.28 | GPa | — | ||
| ↳ | 71.04 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1973 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2388 | - | — | ||
| ↳ | 0.2400 | - | — | ||
Shear Modulus(G)3 entries | 44.46 | GPa | — | ||
| ↳ | 44.46 | GPa | — | ||
| ↳ | 44.87 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.064 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -5.227 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.3835 | eV/atom | — | ||
| ↳ | -0.3771 | eV/atom | — |