Nb4C3 is a niobium carbide ceramic compound belonging to the refractory metal carbide family, known for exceptional hardness and thermal stability at elevated temperatures. While primarily investigated in research and advanced materials development, niobium carbides are valued in cutting tool applications, wear-resistant coatings, and high-temperature structural components where traditional steel or tungsten carbide alternatives would fail. Engineers consider this material class when extreme hardness, chemical inertness, and performance above 1000°C are critical requirements, though commercial availability and cost typically limit use to specialized, high-value applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 268.2 | GPa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 136.9 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.593 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 17.49 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04220 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5261 | eV/atom | — |