HfAl2Zn is a ternary intermetallic compound combining hafnium, aluminum, and zinc—a research-phase material within the family of lightweight high-strength alloys. This composition represents an experimental approach to developing materials with potential for extreme-environment applications, though industrial deployment remains limited and the alloy is primarily encountered in academic metallurgy and materials development programs rather than established production workflows. Engineers evaluating HfAl2Zn would typically be exploring advanced aerospace or high-temperature structural concepts where conventional Ti or Ni superalloys face weight or cost constraints; the addition of hafnium to an Al-Zn base suggests interest in oxidation resistance and thermal stability, while the negative Poisson's ratio behavior indicates auxetic properties that could be valuable in specialized damping or impact-absorption designs.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 24.61 | GPa | — | ||
Poisson's Ratio(ν) | -0.2700 | - | — | ||
Shear Modulus(G) | 53.97 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.375 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3815 | eV/atom | — |