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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 268.2 | GPa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 136.9 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.593 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 17.49 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04220 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5261 | 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.