Nb2Al is an intermetallic compound in the niobium-aluminum system, belonging to a class of refractory intermetallics designed for high-temperature structural applications. This material combines niobium's high melting point and refractory properties with aluminum's lightweight character, making it potentially valuable for extreme-temperature environments where conventional superalloys reach their limits. Nb2Al remains primarily in research and development phases; it is studied for aerospace propulsion systems, advanced power generation, and high-temperature structural components where creep resistance and thermal stability are critical, though industrial adoption remains limited compared to established nickel- and titanium-based superalloys.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 160.5 | GPa | — | ||
| ↳ | 160.5 | GPa | — | ||
| ↳ | 160.5 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.07321 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2807 | - | — | ||
| ↳ | 0.2900 | - | — | ||
Shear Modulus(G)3 entries | 82.46 | GPa | — | ||
| ↳ | 82.46 | GPa | — | ||
| ↳ | 77.51 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.775 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -6.090 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2795 | eV/atom | — |