HfReAs

ceramic

· JVASP-75585· HfReAs

HfReAs is an intermetallic ceramic compound combining hafnium, rhenium, and arsenic—a ternary ceramic material in the refractory metals family. This is primarily a research-phase material studied for extreme-temperature and high-density applications where conventional ceramics fall short; its potential lies in aerospace thermal protection, nuclear environments, and specialized wear-resistant coatings, though industrial deployment remains limited compared to established hafnium carbides or rhenium alloys.

refractory thermal barriersnuclear applicationsextreme-temperature researchhigh-density structuresaerospace propulsion systemsexperimental coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4255	lb/in³	DFT · OptB88vdW

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Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.148	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.4770	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

HfReAs — Properties & Data | MatWorld

HfReAs

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental