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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.040	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)	0.4565	eV/atom	—
Formation Energy(ΔHf)	0.2048	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.

HfB11

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental