Hf3Si2 is a hafnium silicide ceramic compound belonging to the family of refractory transition metal silicides. This material is of primary interest in high-temperature structural applications due to its inherent thermal stability and oxidation resistance, making it a candidate for aerospace and energy systems where conventional ceramics or metals reach their performance limits. While largely in the research and development phase, hafnium silicides are being investigated as matrix phases and reinforcement materials in composite systems for next-generation thermal protection, propulsion components, and extreme-environment structural applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 144.9 | GPa | — | ||
| ↳ | 144.9 | GPa | — | ||
| ↳ | 144.8 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.4220 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2320 | - | — | ||
| ↳ | 0.2400 | - | — | ||
Shear Modulus(G)3 entries | 94.58 | GPa | — | ||
| ↳ | 94.58 | GPa | — | ||
| ↳ | 95.29 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 10.83 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 2.143 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.8291 | eV/atom | — | ||
| ↳ | -0.7340 | eV/atom | — |