Si2W is an intermetallic compound combining silicon and tungsten, belonging to the refractory metal silicide family. This material is primarily of research and development interest rather than a widely commercialized engineering material; silicides in this class are investigated for high-temperature structural applications where conventional superalloys reach their limits. Si2W and related tungsten silicides are explored in aerospace, power generation, and materials science contexts for potential use in extreme thermal environments, though practical engineering adoption remains limited and material processing methods are still being refined.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 218.5 | GPa | — | ||
| ↳ | 209.1 | GPa | — | ||
| ↳ | 219.7 range 218.5–220.9median of 2 measurements | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.06092 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.1646 | - | — | ||
| ↳ | 0.2300 | - | — | ||
Shear Modulus(G)3 entries | 188.8 | GPa | — | ||
| ↳ | 138.5 | GPa | — | ||
| ↳ | 168.1 range 147.5–188.8median of 2 measurements | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 9.593 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.2310 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -132.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1065 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.2829 | eV/atom | — | ||
| ↳ | -0.1167 | eV/atom | — |