Nb₄SiNi is a high-temperature intermetallic compound combining niobium, silicon, and nickel, belonging to the family of refractory metal silicides and nickel-based intermetallics. This material is primarily of research and development interest for aerospace and high-temperature structural applications where exceptional strength retention at elevated temperatures is critical. Its notable advantage over conventional superalloys lies in its lower density combined with refractory properties, making it a candidate for next-generation jet engine components and hypersonic vehicle structures, though commercial adoption remains limited compared to established nickel-based superalloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 190.6 | GPa | — | ||
Shear Modulus(G) | 99.10 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.794 | 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) | 0.01520 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3204 | eV/atom | — |