Sc₅Si₃ is a scandium silicide ceramic compound belonging to the family of transition metal silicides, which are intermetallic ceramics known for combining metallic and ceramic properties. This material is primarily of research and development interest rather than established commercial production, with investigation focused on high-temperature structural applications where its stiffness and relatively low density could provide advantages over conventional ceramics or superalloys. Scandium silicides are studied for potential use in aerospace and energy sectors where materials must withstand extreme temperatures while maintaining structural integrity, though wider adoption is limited by processing challenges and cost considerations compared to mature alternatives like silicon carbide or alumina-based composites.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 89.10 | GPa | — | ||
| ↳ | 89.10 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.07793 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.1815 | - | — | ||
Shear Modulus(G)2 entries | 72.07 | GPa | — | ||
| ↳ | 72.07 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.264 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.9317 | eV/atom | — | ||
| ↳ | -0.7710 | eV/atom | — |