HfGaNi₂ is an intermetallic compound combining hafnium, gallium, and nickel, representing a research-phase material in the high-entropy and refractory intermetallic family. This ternary system is primarily of scientific interest for exploring advanced structural materials that combine the high-temperature stability of hafnium-based systems with the mechanical properties potentially offered by nickel intermetallics. Applications remain largely experimental, with potential relevance to extreme-environment aerospace components, high-temperature structural applications, or thermal barrier systems where conventional superalloys reach their limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 162.8 | GPa | — | ||
Poisson's Ratio(ν) | 0.4300 | - | — | ||
Shear Modulus(G) | 23.52 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 10.87 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -1.870 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01880 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.7182 | eV/atom | — | ||
| ↳ | -0.5613 | eV/atom | — |