HfTaCN

ceramic
· JVASP-103091· HfTaCN

HfTaCN is a refractory ceramic compound combining hafnium, tantalum, carbon, and nitrogen—part of the high-entropy ceramics family designed for extreme-temperature and high-wear applications. This material is primarily investigated in research and emerging industrial contexts for its potential to deliver hardness and thermal stability in harsh environments where traditional ceramics or superalloys reach their limits. Its combination of transition metals creates a dense, stiff material suited to applications demanding resistance to oxidation, thermal shock, and mechanical wear at elevated temperatures.

refractory liningscutting tool coatingsthermal protection systemswear-resistant surfaceshigh-temperature structural applicationsaerospace/hypersonic environments

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
200.2
ksi
Poisson's Ratio(ν)
0.3200
-
Shear Modulus(G)
452.5
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.5003
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.05240
eV/atom
Formation Energy(ΔHf)
-1.230
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.
HfTaCN — Properties & Data | MatWorld