Hf4C3N

ceramic

· JVASP-109741· Hf4C3N

Hf4C3N is a hafnium carbonitride ceramic compound combining refractory metal chemistry with interstitial carbon and nitrogen phases. This material belongs to the family of ultra-high-temperature ceramics and is primarily of research interest, investigated for extreme-environment applications where thermal stability, hardness, and chemical resistance are critical. Hafnium carbonitrides are considered potential candidates for next-generation hypersonic vehicle components, cutting tools, and nuclear applications, though commercial adoption remains limited compared to more established alternatives like TiC or WC-based systems.

hypersonic vehicle thermal protectionultra-high-temperature structural ceramicsadvanced cutting tool insertsnuclear reactor componentsrefractory coatingsaerospace thermal applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4638	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)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.324	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.

Hf4C3N

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental