Be8 W4
semiconductor· Be8 W4
Be8 W4 is a beryllium-tungsten composite or alloy in the experimental/research stage, combining the low density and high stiffness of beryllium with the high-temperature strength and density of tungsten. This material family is explored for aerospace and defense applications where extreme weight savings and thermal performance are critical, though beryllium-based materials remain specialized due to toxicity concerns in manufacturing and machining that require strict handling protocols.
aerospace structureshigh-temperature applicationslightweight compositesdefense systemsresearch/prototype developmentthermal management components
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.