Nb₄AlC₃ is a ternary carbide compound belonging to the MAX phase family, combining niobium, aluminum, and carbon into a layered ceramic-metallic structure. This material is primarily of research and developmental interest rather than established in widespread industrial production, representing an emerging class of materials that exhibit both ceramic hardness and metallic ductility. The niobium-based MAX phase offers potential for high-temperature applications where thermal stability and damage tolerance are required, though practical applications remain limited compared to established alternatives like Ti₃AlC₂ or Cr₂AlC phases.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 31,268.5 | ksi | — | ||
| ↳ | 31,268.5 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.05846 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν) | 0.2249 | - | — | ||
Shear Modulus(G)2 entries | 21,068.8 | ksi | — | ||
| ↳ | 21,068.8 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2457 | lb/in³ | — |
| 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) | 0.00290 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5607 | eV/atom | — |