HfCoSi is an intermetallic compound combining hafnium, cobalt, and silicon, belonging to the family of refractory metals and high-temperature intermetallics. This material is primarily of research and development interest for extreme-environment applications where conventional superalloys reach their limits, particularly in aerospace and energy sectors seeking materials that maintain strength and structural integrity at very high temperatures. The hafnium-cobalt-silicon system is notable for its potential to enable next-generation turbine engines, hypersonic vehicles, and nuclear applications, though development remains largely in the experimental phase compared to established alternatives like nickel-based superalloys or titanium aluminides.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 25,774.7 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 14,484.9 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3672 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.8104 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data