Be4AlCr

metal

· JVASP-102797· Be4AlCr

Be₄AlCr is an intermetallic compound combining beryllium, aluminum, and chromium, representing an experimental or specialized alloy in the beryllium-based metals family. While not widely documented in mainstream engineering applications, beryllium-containing intermetallics are of research interest for aerospace and high-temperature structural applications due to beryllium's exceptional strength-to-weight ratio and thermal properties, though such materials typically require careful handling due to beryllium's toxicity and brittleness. This composition likely targets niche applications where lightweight, high-stiffness materials with thermal stability are critical, though adoption remains limited pending development of improved processing routes and safety protocols.

aerospace structures (research phase)high-temperature compositeslightweight alloysadvanced metallurgy researchthermal management systems (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.287	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	2.970	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.1318	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.

Be4AlCr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control