BeNb2Si

metal
· JVASP-72470· BeNb2Si

BeNb₂Si is an intermetallic compound combining beryllium, niobium, and silicon—a class of materials engineered for extreme-performance applications requiring exceptional stiffness and low density. This is primarily a research and development material rather than a high-volume commercial alloy; intermetallic compounds in this family are investigated for aerospace and defense applications where weight reduction and thermal stability at elevated temperatures are critical. BeNb₂Si represents a niche category of advanced structural materials that compete with titanium aluminides and nickel-based superalloys by offering unique combinations of rigidity and light weight, though processing challenges and material brittleness typically limit adoption to specialized, high-value applications.

aerospace structureshigh-temperature applicationslightweight compositesresearch alloysmilitary/defense systemsthermal management systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
168.5
GPa—
Poisson's Ratio(ν)
-0.01000
-—
Shear Modulus(G)
62.29
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.228
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.3581
eV/atom—
Formation Energy(ΔHf)
-0.1335
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.