Nb4C3

metal
· JVASP-104711· Nb4C3

Nb4C3 is a niobium carbide ceramic compound belonging to the refractory metal carbide family, known for exceptional hardness and thermal stability at elevated temperatures. While primarily investigated in research and advanced materials development, niobium carbides are valued in cutting tool applications, wear-resistant coatings, and high-temperature structural components where traditional steel or tungsten carbide alternatives would fail. Engineers consider this material class when extreme hardness, chemical inertness, and performance above 1000°C are critical requirements, though commercial availability and cost typically limit use to specialized, high-value applications.

cutting tools and insertswear-resistant coatingshigh-temperature structural componentsrefractory applicationsaerospace engine materialsresearch and development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.