Al0.4Cu0.45Ni0.15 is a ternary aluminum-copper-nickel alloy, likely developed as a research composition to explore intermediate strength and corrosion behavior between conventional Al-Cu (duralumin) and Al-Cu-Ni precipitation-hardening systems. This experimental alloy family bridges lightweight aluminum metallurgy with enhanced mechanical performance and thermal stability, targeting applications where standard 2xxx or 6xxx series alloys fall short. The balanced Cu-Ni ratio suggests investigation into improved corrosion resistance and creep performance compared to traditional copper-dominant aerospace aluminum alloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -0.3294 | eV/atom | — |