BeSiW2

metal
· JVASP-67770· BeSiW2

BeSiW2 is an experimental intermetallic compound combining beryllium, silicon, and tungsten, representing a research-phase material rather than an established commercial alloy. This material family is being investigated for applications requiring exceptional stiffness-to-weight performance and high-temperature stability, though it remains primarily in development and is not widely adopted in production engineering. Engineers should consider this material only for advanced research projects or specialized high-performance applications where its unique property combination justifies the material's limited availability and higher cost versus conventional alternatives.

aerospace structures (research phase)high-temperature compositeslightweight refractory applicationsresearch and developmentspace vehicle components (exploratory)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
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.