TbSi is an intermetallic ceramic compound composed of terbium and silicon, belonging to the rare-earth silicide family of advanced ceramics. This material is primarily of research interest for high-temperature structural applications where its combination of ceramic hardness and metallic-like thermal properties could provide advantages over conventional refractories or oxide ceramics. TbSi and related rare-earth silicides are being investigated for aerospace, nuclear, and extreme environment applications where thermal stability, oxidation resistance, and mechanical performance at elevated temperatures are critical—though industrial adoption remains limited compared to established ceramics like alumina or silicon carbide.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 13,182.5 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2200 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 9,481.1 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2550 | 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 | ||
Thermoelectric Power Factor(PF)2 entries | 0.000210 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000231 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -10.91 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -11.54 | 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 | -0.8045 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -0.8385 | 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