Na4BeW

metal
· JVASP-65236· Na4BeW

Na4BeW is an intermetallic compound combining sodium, beryllium, and tungsten—a research-phase material rather than a production alloy. This compound belongs to the family of lightweight intermetallics and refractory systems, with potential applications where combinations of low density, high stiffness, and thermal stability are valuable. Because it remains primarily in academic or experimental contexts, engineers considering it should evaluate it against established lightweight alternatives (aluminum alloys, magnesium alloys, titanium) and confirm material availability and processing feasibility for their specific application.

experimental aerospace structureshigh-temperature refractory researchlightweight composite reinforcementthermal management systemsadvanced materials researchnuclear or space applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Poisson's Ratio(ν)
-
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.