Nb4 C3

semiconductor

· Nb4 C3

Nb₄C₃ is a niobium carbide ceramic compound belonging to the refractory carbide family, characterized by high hardness and thermal stability. This material is primarily investigated in research contexts for wear-resistant coatings, cutting tools, and high-temperature structural applications where conventional carbides may be insufficient; it represents an emerging alternative within the niobium carbide system that offers potential advantages in extreme environment performance compared to more commonly used titanium or tungsten carbides.

refractory coatingscutting tool insertshigh-temperature ceramicswear-resistant surfacesaerospace researchextreme environment applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	268.2	GPa	—
Shear Modulus(G)	136.9	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01210	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4100	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.

Nb4 C3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control