Ca4BeW
metal· JVASP-65062· Ca4BeW
Ca4BeW is an intermetallic compound combining calcium, beryllium, and tungsten—a research-phase material rather than an established commercial alloy. This ternary system belongs to the family of lightweight refractory intermetallics, where the combination of beryllium and tungsten creates potential for high-temperature applications requiring low density and stiffness. Industrial use remains limited; the material is primarily of interest in aerospace and materials research communities exploring next-generation high-temperature structural alloys, though processing, brittleness, and beryllium toxicity present significant engineering and manufacturing challenges.
aerospace researchhigh-temperature structural componentslightweight refractory applicationsintermetallic compound researchexperimental materials development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,340.2 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 2,004.4 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1308 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 3.608 | µB | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 1.364 | eV/atom | — | ||
Formation Energy(ΔHf) | 1.235 | 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.