HfBe5 is a hafnium beryllium ceramic compound that combines the refractory properties of hafnium with beryllium's lightweight characteristics, resulting in a material with exceptional stiffness and rigidity. This compound is primarily of interest in high-temperature structural applications and advanced aerospace/defense contexts where extreme thermal stability and minimal density are critical. HfBe5 represents a specialized research material rather than a widely commercialized product; it is potentially relevant for ultra-high-temperature components, neutron-transparent systems, or weight-critical applications where conventional ceramics or superalloys become limiting.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 131.2 | GPa | — | ||
| ↳ | 131.2 | GPa | — | ||
| ↳ | 132.1 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.3546 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.1503 | - | — | ||
| ↳ | 0.1600 | - | — | ||
Shear Modulus(G)3 entries | 119.7 | GPa | — | ||
| ↳ | 119.7 | GPa | — | ||
| ↳ | 120.1 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.095 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 19.80 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05390 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2242 | eV/atom | — |