Hf5Al3 is an intermetallic compound combining hafnium and aluminum, representing a hard ceramic-like metal phase that forms in hafnium-aluminum systems. This material is primarily of research and development interest rather than established commercial production, with potential applications in high-temperature structural applications where the combination of hafnium's refractory properties and aluminum's lightweight characteristics could offer advantages. The material's primary appeal lies in aerospace and defense sectors exploring next-generation materials for extreme thermal environments and high-strength components.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 111.0 | GPa | — | ||
| ↳ | 111.0 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1345 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.3128 | - | — | ||
Shear Modulus(G)2 entries | 47.48 | GPa | — | ||
| ↳ | 47.48 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 10.02 | 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) | 0.05490 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2820 | eV/atom | — |