AlNi3 is an intermetallic compound in the aluminum-nickel system, characterized by an ordered crystalline structure that provides exceptional rigidity and thermal stability. This material is primarily of research and specialized industrial interest rather than a commodity alloy, appearing in high-performance applications where its stiffness and high-temperature capability offer advantages over conventional wrought aluminum alloys or nickel superalloys. AlNi3 finds use in aerospace components, thermal management systems, and advanced composites where the combination of relatively light weight with high elastic modulus and narrow operating temperature sensitivity is critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 179.5 | GPa | — | ||
| ↳ | 179.5 | GPa | — | ||
| ↳ | 180.5 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 1.496 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.2969 | - | — | ||
| ↳ | 0.3100 | - | — | ||
Shear Modulus(G)3 entries | 84.35 | GPa | — | ||
| ↳ | 84.35 | GPa | — | ||
| ↳ | 87.62 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.433 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.01800 | µB | — | ||
Seebeck Coefficient(S) | 17.05 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00870 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4198 | eV/atom | — | ||
| ↳ | -0.4384 | eV/atom | — |