HfB11
ceramic· JVASP-125117· HfB11
HfB₁₁ is a hafnium boride ceramic compound belonging to the ultra-high-temperature ceramic (UHTC) family, characterized by strong covalent bonding between hafnium and boron atoms. This material is primarily of research and developmental interest for extreme thermal environments, offering potential applications in aerospace and hypersonic systems where conventional ceramics would fail; it competes with other boride and carbide systems (such as ZrB₂ and HfC) by balancing refractory performance with processing feasibility, though industrial adoption remains limited and material characterization is ongoing.
hypersonic vehicle thermal protectionrocket nozzle linersleading edge protectionhigh-temperature structural ceramicsaerospace research applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
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.