Mg4BeNb

metal

· JVASP-65229· Mg4BeNb

Mg4BeNb is an experimental intermetallic compound combining magnesium, beryllium, and niobium—a research-phase material designed to explore lightweight, high-strength alloy systems for demanding aerospace and structural applications. While not yet in widespread commercial production, this material family targets the intersection of magnesium's low density with beryllium's stiffness and niobium's refractory properties, positioning it as a potential alternative to conventional titanium or aluminum alloys where weight reduction and thermal stability are critical. Engineers evaluating this material should treat it as an emerging candidate requiring validation through full mechanical and environmental testing rather than a production-ready specification.

aerospace structures (research phase)high-temperature lightweight alloysintermetallic compound developmentweight-critical applicationsexperimental materials screening

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.768	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	2.575	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.7610	eV/atom	—
Formation Energy(ΔHf)	0.6982	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.

Mg4BeNb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control