HfBeSi
ceramic· HfBeSi
HfBeSi is a ternary ceramic compound combining hafnium, beryllium, and silicon—a research-phase material belonging to the family of refractory ceramics with potential for ultra-high-temperature structural applications. While industrial adoption remains limited, this composition targets extreme environments where thermal stability, stiffness, and resistance to oxidation are critical; the material family is of particular interest for aerospace propulsion, nuclear systems, and advanced manufacturing processes that demand materials stable well above conventional ceramic operating limits.
refractory coatingsaerospace engine componentsnuclear reactor materialshigh-temperature structural applicationsexperimental/research phase
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 147.6 | GPa | — | ||
| ↳ | 147.6 | GPa | — | ||
| ↳ | 119.9 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1270 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.1849 | - | — | ||
| ↳ | 0.3900 | - | — | ||
Shear Modulus(G)3 entries | 117.8 | GPa | — | ||
| ↳ | 117.8 | GPa | — | ||
| ↳ | 15.73 | GPa | — |
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) | 8.130 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.5862 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.02524 | 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.