Hf2IrOs

ceramic

· JVASP-80840· Hf2IrOs

Hf2IrOs is a refractory ceramic compound combining hafnium, iridium, and osmium—three of the highest-melting-point elements known. This material represents an experimental composition in the ultra-high-temperature ceramic family, designed for extreme thermal and oxidative environments where conventional superalloys and standard ceramics fail. Its exceptional density and theoretical thermal stability make it a research focus for next-generation aerospace and hypersonic applications, though industrial production and processing routes remain under development.

hypersonic vehicle componentsexperimental ultra-high-temperature ceramicsaerospace thermal protection systemsrefractory applications researchextreme environment testing materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5986	lb/in³	—

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)	1.222	eV/atom	—
Formation Energy(ΔHf)	0.3340	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.

Hf2IrOs

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental