HfBe5
ceramic· HfBe5
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.
high-temperature structural ceramicsaerospace thermal protectionnuclear reactor componentsberyllium composite matriceslightweight refractory applicationsresearch/development materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | — | ksi | — | — | |
| ↳ | — | ksi | — | — | |
| ↳ | — | ksi | — | — | |
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | — | |
Elastic Anisotropy(AU) | — | - | — | — | |
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | — | |
Poisson's Ratio(ν)2 entries | — | - | — | — | |
| ↳ | — | - | — | — | |
Shear Modulus(G)3 entries | — | ksi | — | — | |
| ↳ | — | ksi | — | — | |
| ↳ | — | ksi | — | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.