Nb4Al

metal

· JVASP-99946· Nb4Al

Nb4Al is an intermetallic compound in the niobium-aluminum system, belonging to a class of refractory metal aluminides under investigation for high-temperature structural applications. This material is primarily of research and developmental interest rather than established production use, with potential applications in aerospace and energy sectors where lightweight, high-temperature strength is valuable. Nb4Al and related niobium aluminides are explored as alternatives to nickel-based superalloys for ultra-high temperature environments, though challenges in processing, brittleness control, and cost-effectiveness currently limit wider industrial adoption.

high-temperature aerospace structuresrefractory applicationsturbine engine components (developmental)research/experimental materialslightweight structural alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.412	kg/m³	—

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

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

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.06760	eV/atom	—
Formation Energy(ΔHf)	-0.1001	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.

Nb4Al

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control