HfH3

ceramic
· JVASP-103257· HfH3

HfH3 is a hafnium hydride ceramic compound that belongs to the metal hydride family, characterized by strong ionic-covalent bonding between hafnium and hydrogen atoms. This material is primarily investigated in advanced research contexts for high-temperature structural applications and nuclear engineering, where its thermal stability and refractory properties are of interest; however, it remains largely experimental rather than widely deployed in production. Engineers consider hafnium hydrides for specialized high-temperature applications where conventional refractory ceramics may be insufficient, though commercial adoption is limited due to processing challenges and the availability of more established alternatives like hafnium carbides and borides.

nuclear reactor componentshigh-temperature refractory coatingsaerospace thermal protectionresearch materialsextreme environment applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
0.000
ksi—
Poisson's Ratio(ν)
0.2400
-—
Shear Modulus(G)
0.000
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.3475
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1575
eV/atom—
Formation Energy(ΔHf)
-0.2153
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.
HfH3 — Properties & Data | MatWorld