HfTaC2

ceramic

· JVASP-111049· HfTaC2

HfTaC2 is a hafnium-tantalum carbide ceramic compound belonging to the refractory carbide family, designed for extreme-temperature and high-wear applications. This material is primarily of research and advanced development interest for aerospace and defense sectors, where it is investigated for thermal protection systems, rocket nozzles, and cutting tools that demand exceptional hardness and thermal stability beyond conventional refractory ceramics. HfTaC2 represents the cutting edge of ultra-high-temperature ceramics (UHTCs), offering potential advantages over single-carbide alternatives through compositional tailoring, though industrial deployment remains limited compared to established carbides like TaC or HfC.

hypersonic vehicle protectionrocket nozzle linerscutting and grinding toolsthermal barrier coatingsrefractory cruciblesresearch-phase aerospace components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4859	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)	-0.8986	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.

HfTaC2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental