CaW₂N₂ is a ceramic nitride compound combining calcium, tungsten, and nitrogen, belonging to the family of refractory metal nitrides. This material is primarily of research and developmental interest rather than established commercial use, positioned within the broader class of hard ceramic nitrides explored for extreme-environment and wear-resistant applications. Engineers would consider this compound where ultra-high hardness, thermal stability, or chemical resistance at elevated temperatures is required, though its adoption depends on manufacturing scalability and cost-effectiveness relative to established alternatives like tungsten carbide or titanium nitride.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 139.9 | GPa | — | ||
Poisson's Ratio(ν) | 0.4500 | - | — | ||
Shear Modulus(G) | 25.27 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.384 | 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) | 0.6467 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1718 | eV/atom | — |