Be2SiW
metal· JVASP-70248· Be2SiW
Be2SiW is an intermetallic compound combining beryllium, silicon, and tungsten—a research-phase material within the family of refractory intermetallics designed for extreme-temperature and high-stiffness applications. While not yet established in mainstream production, compounds in this material class are investigated for aerospace and high-temperature structural components where low density combined with exceptional rigidity and thermal stability is critical. Be-based intermetallics remain largely experimental due to beryllium's toxicity and processing challenges, but they represent a frontier in lightweight refractory systems for hypersonic vehicles, rocket engines, and advanced reactor environments.
aerospace structureshigh-temperature compositesrefractory applicationsresearch materialslightweight stiffness-critical designsadvanced propulsion systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 194.2 | GPa | — | ||
Poisson's Ratio(ν) | 0.1900 | - | — | ||
Shear Modulus(G) | 156.0 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.419 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -6.393 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3154 | 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.