HfAlAu2 is an intermetallic compound combining hafnium, aluminum, and gold in a defined stoichiometric ratio, belonging to the family of high-temperature metallic compounds. This material is primarily of research and development interest rather than established production use, with potential applications in aerospace and high-temperature structural applications where the combined properties of refractory hafnium and gold's stability could provide advantages in extreme environments. The material's notable characteristics stem from its intermetallic nature—offering potential for high stiffness and thermal stability—making it a candidate for advanced applications where conventional superalloys or refractory metals may fall short, though practical manufacturing and cost considerations currently limit widespread industrial adoption.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 146.3 | GPa | — | ||
Poisson's Ratio(ν) | 0.4300 | - | — | ||
Shear Modulus(G) | 25.28 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 13.80 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -1.850 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.03100 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.6260 | eV/atom | — | ||
| ↳ | -0.5253 | eV/atom | — |