HfNb4CN4

metal
· JVASP-100834· HfNb4CN4

HfNb4CN4 is a refractory metal carbide-nitride compound combining hafnium and niobium, representing an emerging class of high-entropy ceramic-metallic materials designed for extreme environments. This material is primarily of research and developmental interest rather than established production use, with potential applications in ultra-high-temperature structural applications, thermal protection systems, and advanced cutting tools where conventional superalloys reach their thermal limits. The hafnium-niobium carbide-nitride family offers exceptional hardness and melting point retention, making it notable as a candidate for next-generation aerospace and industrial applications, though engineering adoption remains limited pending further characterization and scalable manufacturing development.

refractory coatingsultra-high-temperature structurescutting tools and wear surfacesthermal protection systemsaerospace research applicationshigh-entropy ceramics development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
9.057
kg/m³—
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)
0.1591
eV/atom—
Formation Energy(ΔHf)
-1.077
eV/atom—
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.