Hf5Sn3 is a refractory intermetallic ceramic compound combining hafnium and tin, belonging to the family of transition metal-based ceramics known for exceptional hardness and high-temperature stability. This material is primarily of research and development interest for aerospace and thermal protection applications where extreme temperature resistance and structural integrity are critical. Hafnium-tin intermetallics offer potential advantages over conventional refractory materials in environments requiring combined thermal shock resistance, oxidation protection, and mechanical strength at temperatures where traditional alloys fail.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 113.5 | GPa | DFT | ||
| ↳ | 113.5 | GPa | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 0.6204 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | DFT · PBE | ||
Poisson's Ratio(ν) | 0.3191 | - | DFT · PBE | ||
Shear Modulus(G)2 entries | 46.68 | GPa | DFT | ||
| ↳ | 46.68 | GPa | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 11.82 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | Measured | ||
Thermoelectric Power Factor(PF)2 entries | 0.000242 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000220 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -3.350 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -4.277 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)2 entries | -0.3508 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -0.5099 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data