HfCo is an intermetallic compound combining hafnium and cobalt, belonging to the class of transition-metal intermetallics. This material exhibits high elastic stiffness and density, making it of interest for high-temperature and structural applications where conventional alloys reach performance limits. While not yet widely deployed in mainstream industry, HfCo and related hafnium-based intermetallics are actively studied for aerospace, power generation, and extreme-environment applications where thermal stability and mechanical strength at elevated temperatures are critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 22,171 | ksi | — | ||
| ↳ | 22,171 | ksi | — | ||
| ↳ | 24,816 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.00354 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.3367 | - | — | ||
| ↳ | 0.3700 | - | — | ||
Shear Modulus(G)3 entries | 8,125.1 | ksi | — | ||
| ↳ | 8,125.1 | ksi | — | ||
| ↳ | 6,935.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.4618 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -14.90 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02800 | eV/atom | — | ||
Formation Energy(ΔHf)3 entries | -0.4436 | eV/atom | — | ||
| ↳ | -0.4291 | eV/atom | — | ||
| ↳ | -0.4679 range -0.4923–-0.4436median of 2 measurements | eV/atom | — |