ScAl is an intermetallic compound combining scandium and aluminum, representing a lightweight metallic system with potential for advanced structural applications. This material belongs to the rare-earth aluminum intermetallic family and remains largely in the research and development phase rather than established high-volume production. ScAl is of particular interest to engineers exploring next-generation alloys where low density combined with elevated stiffness could enable weight-critical aerospace and defense systems, though practical deployment is limited by manufacturing complexity, cost, and limited commercial availability compared to conventional aluminum alloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 11,340.2 | ksi | — | ||
| ↳ | 11,340.2 | ksi | — | ||
| ↳ | 10,935.8 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 7.012 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2762 | - | — | ||
| ↳ | 0.2900 | - | — | ||
Shear Modulus(G)3 entries | 5,966.5 | ksi | — | ||
| ↳ | 5,966.5 | ksi | — | ||
| ↳ | 7,962.6 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1122 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 4.000 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4260 | eV/atom | — | ||
| ↳ | -0.4767 | eV/atom | — |