BeFe4Si

metal
· JVASP-64932· BeFe4Si

BeFe4Si is an intermetallic compound combining beryllium, iron, and silicon—a hard, brittle metallic material belonging to the family of transition metal silicides. This compound is primarily of research and specialized industrial interest rather than mainstream engineering use, with potential applications in high-temperature structural materials and wear-resistant coatings where the combination of light weight (from beryllium) and hardness (from the intermetallic phase) offers advantages over conventional alloys. Engineers would consider this material in aerospace or high-performance contexts where weight reduction and thermal stability are critical, though its brittleness and beryllium toxicity during processing limit adoption compared to established alternatives like nickel-based superalloys or tungsten silicides.

research/experimental materialshigh-temperature applicationswear-resistant coatingsaerospace structural componentslightweight refractory materialsbearing and friction surfaces

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
—
Pa——
Poisson's Ratio(ν)
—
-——
Shear Modulus(G)
—
Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
—
kg/m³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Magnetic Moment(μB)
—
µB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
—
eV/atom——
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.