Be2FeSi

metal
· JVASP-74805· Be2FeSi

Be2FeSi is an intermetallic compound combining beryllium, iron, and silicon in a defined stoichiometric ratio, belonging to the family of lightweight metallic intermetallics. This material is primarily of research and development interest rather than a high-volume industrial commodity, with potential applications in aerospace and high-temperature structural applications where the combination of low density and high stiffness is valued. Engineers would consider Be2FeSi as an exploratory candidate for weight-critical assemblies, though its processing complexity, beryllium toxicity concerns, and limited commercial availability typically reserve it for specialized aerospace, defense, or thermal management research programs rather than mainstream engineering practice.

aerospace structural researchlightweight intermetallicshigh-stiffness-to-weight applicationsthermal management systemsdefense applicationsadvanced materials development

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.