BeFeBi

metal
· JVASP-71406· BeFeBi

BeFeBi is a beryllium-iron-bismuth ternary alloy combining the lightweight and stiffness characteristics of beryllium with iron's strength and bismuth's density-modifying properties. This is a research-phase material not widely commercialized; it represents exploration of multiphase metallic systems for specialized applications requiring unusual combinations of low density with high stiffness or specific thermal properties.

aerospace structural componentsexperimental lightweight alloysthermal management systemsresearch and developmenthigh-stiffness-to-weight applicationsspecialty metal matrix composites

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
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.
BeFeBi — Properties & Data | MatWorld