B4 Cr1

semiconductor

· B4 Cr1

B4Cr1 is a boron-chromium ceramic compound belonging to the family of transition metal borides, which are intermetallic ceramics known for exceptional hardness and thermal stability. This material is primarily investigated in research contexts for applications requiring extreme wear resistance and high-temperature performance, competing with established hard ceramic phases like boron carbide and tungsten carbide in specialized industrial settings. The chromium addition to the boron matrix offers potential benefits in oxidation resistance and fracture toughness compared to pure boron-based ceramics, making it of interest for cutting tools, armor systems, and high-temperature structural applications.

cutting tool insertswear-resistant coatingsarmor and ballistic protectionhigh-temperature ceramicsresearch/development phasewear parts in extreme environments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	40,803.9	ksi	—
Shear Modulus(G)	37,559	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00170	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2900	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 Cr1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control