B4 Nb3
semiconductor· B4 Nb3
B₄Nb₃ is a hard ceramic compound belonging to the boron-niobium system, combining boron's hardness with niobium's refractory properties. This material is primarily of research and developmental interest for high-temperature structural applications, with potential use in aerospace and extreme-environment contexts where conventional ceramics or metals reach performance limits. Its notable stiffness and hardness characteristics make it relevant for wear-resistant coatings and composite reinforcement phases, though industrial adoption remains limited compared to established ceramics like silicon carbide or alumina.
high-temperature coatingsceramic compositeswear-resistant materialsaerospace researchrefractory applicationsadvanced ceramics development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.