ScAl1.78 is a scandium-aluminum intermetallic compound, representing a rare-earth aluminum alloy system with potential for lightweight structural applications. This material exists primarily in research and development contexts, as scandium additions to aluminum are explored for aerospace and high-performance applications where improved strength-to-weight ratios and elevated-temperature stability are sought. Scandium-aluminum systems are notable for their potential to refine grain structure and enhance mechanical properties compared to conventional aluminum alloys, though production costs and limited commercial maturity distinguish this material family from established aerospace aluminum standards.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.4944 | eV/atom | — |