Co3B

metal
· JVASP-59652· Co3B

Co₃B is an intermetallic cobalt boride compound that belongs to the family of transition metal borides, which are known for high hardness and wear resistance. This material is primarily of research and developmental interest for applications requiring extreme hardness and thermal stability, particularly in cutting tools, wear-resistant coatings, and high-temperature structural components where conventional cobalt alloys reach their performance limits. Co₃B and related cobalt borides are notable for combining cobalt's favorable magnetic and corrosion properties with boron's hardening effect, making them candidates for specialty applications where cost-effective alternatives to tungsten carbides or ceramic tools are sought.

cutting tool insertswear-resistant coatingshigh-temperature alloysresearch phase materialboride reinforcement phasesspecialty metallic compounds

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Poisson's Ratio(ν)
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-——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.