BeCoSi

metal

· JVASP-114613· BeCoSi

BeCoSi is a ternary intermetallic compound combining beryllium, cobalt, and silicon elements. This material belongs to the family of lightweight high-performance intermetallics and remains primarily in research and development contexts rather than widespread commercial production. BeCoSi is investigated for potential aerospace and high-temperature applications where the combination of low density with ceramic-like stiffness and thermal stability could offer advantages over conventional superalloys, though engineering adoption has been limited due to beryllium's toxicity concerns, processing complexity, and the availability of more established alternatives.

aerospace researchhigh-temperature structural applicationslightweight intermetallic compositesthermal management systemsexperimental alloy developmentadvanced materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.375	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	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4068	eV/atom	—
Formation Energy(ΔHf)	0.03715	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.

BeCoSi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control