HfFe2 is an intermetallic compound combining hafnium and iron in a 1:2 stoichiometric ratio, belonging to the class of refractory metal intermetallics. This material exhibits high stiffness and density, making it of interest for applications requiring exceptional rigidity and thermal stability. While primarily explored in research and specialized aerospace contexts, HfFe2 represents the broader family of hafnium-based intermetallics valued for extreme environments where conventional alloys reach their performance limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 162.0 | GPa | — | ||
| ↳ | 162.0 | GPa | — | ||
| ↳ | 184.7 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1219 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2831 | - | — | ||
| ↳ | 0.3600 | - | — | ||
Shear Modulus(G)3 entries | 82.18 | GPa | — | ||
| ↳ | 82.18 | GPa | — | ||
| ↳ | 59.68 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 11.49 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Magnetic Moment(μB) | 5.978 | µB | — | ||
Seebeck Coefficient(S) | 4.180 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00720 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.1275 | eV/atom | — | ||
| ↳ | -0.3612 | eV/atom | — |