Hf5Ir3

ceramic
· JVASP-121821· Hf5Ir3

Hf5Ir3 is an intermetallic ceramic compound combining hafnium and iridium, belonging to the refractory ceramic family designed for extreme-temperature and high-stress environments. This material is primarily of research and development interest rather than established production use, explored for aerospace and nuclear applications where exceptional thermal stability and chemical resistance are required. The hafnium-iridium system is notable for its potential to serve in ultra-high-temperature structural applications where conventional superalloys reach their limits, though manufacturing complexity and raw material costs typically restrict its use to specialized engineering contexts.

high-temperature aerospace structuresnuclear reactor componentsrefractory coatingsresearch and developmentextreme-environment applicationsthermal protection systems

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.