Nb3Al

metal

· Nb3Al

Nb3Al is an intermetallic compound in the niobium–aluminum system, belonging to the class of high-temperature structural materials studied for aerospace and power generation applications. It is primarily of research and development interest rather than a mature commercial material, valued for its potential to operate at elevated temperatures while maintaining structural integrity. This material family represents an alternative to nickel-based superalloys in applications where weight reduction and thermal efficiency gains justify the additional processing complexity.

high-temperature aerospace structuresturbine engine componentslightweight refractory alloysresearch/development materialshypersonic vehicle structuresadvanced power generation systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	23,368.8	ksi	—
↳	23,539.6	ksi	—
Shear Modulus(G)2 entries	2,965.8	ksi	—
↳	2,367	ksi	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2583	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	8.750	µV/K	—

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

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.04160	eV/atom	—
Formation Energy(ΔHf)2 entries	-0.1420	eV/atom	—
↳	-0.1681	eV/atom	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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.

Nb3Al

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control