NbSiPd is a ternary intermetallic compound combining niobium, silicon, and palladium, belonging to the class of high-temperature structural materials and research-phase refractory alloys. This material is primarily of interest in advanced aerospace and high-temperature engineering contexts, where its combination of refractory metal (niobium) strength with intermetallic hardening and palladium's oxidation resistance offers potential for extreme-temperature applications. The compound remains largely experimental; engineers would consider it for ultra-high-temperature components where conventional superalloys reach their limits, though industrial adoption is limited and material processing, reproducibility, and cost remain active research challenges.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 194.9 | GPa | DFT | ||
| ↳ | 192.2 | GPa | DFT · OptB88vdW | ||
| ↳ | 194.9 | GPa | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 0.5248 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | DFT · PBE | ||
Poisson's Ratio(ν)2 entries | 0.3200 | - | DFT · OptB88vdW | ||
| ↳ | 0.3167 | - | DFT · PBE | ||
Shear Modulus(G)3 entries | 81.39 | GPa | DFT | ||
| ↳ | 82.53 | GPa | DFT · OptB88vdW | ||
| ↳ | 81.39 | GPa | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.139 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Thermoelectric Power Factor(PF)2 entries | 0.00103 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000960 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -22.47 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -21.75 | 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) | -0.6060 | 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