HfAsIr

ceramic

· JVASP-75869· HfAsIr

HfAsIr is a ternary intermetallic ceramic compound combining hafnium, arsenic, and iridium. This is a research-phase material primarily studied for high-temperature structural applications due to the refractory properties of hafnium combined with the density and corrosion resistance of iridium. While not yet established in mainstream engineering practice, materials in this compositional family are of interest for extreme-environment applications where conventional superalloys or ceramics reach their limits.

high-temperature structural compositesaerospace thermal management (research)refractory intermetallicsextreme-environment testingadvanced ceramics researchspecialist alloy development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4368	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)	0.5519	eV/atom	—
Formation Energy(ΔHf)	-0.3178	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.

HfAsIr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental