B4 Cr3

semiconductor

· B4 Cr3

B₄Cr₃ is a boron-chromium ceramic compound belonging to the refractory boride family, known for exceptional hardness and thermal stability at elevated temperatures. This material is primarily investigated for ultra-high-temperature structural applications and wear-resistant coatings where conventional ceramics reach their performance limits. While not yet mainstream in production engineering, B₄Cr₃ represents the boride ceramic class's potential for next-generation aerospace and industrial tooling applications requiring resistance to thermal shock and mechanical wear.

refractory coatingshigh-temperature ceramicscutting tool insertswear-resistant applicationsaerospace thermal barriersresearch/advanced materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	296.3	GPa	—
Shear Modulus(G)	204.2	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00350	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4240	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.

B4 Cr3

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control