Nb4C3 — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	268.2	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	136.9	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	7.593	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04220	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5261	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Nb4C3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control