Nb3Al

Name: Nb3Al
Brand: MatWorld

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

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	23,368.8	ksi	DFT
↳	23,539.6	ksi	DFT · OptB88vdW
Shear Modulus(G)2 entries	2,965.8	ksi	DFT
↳	2,367	ksi	DFT · OptB88vdW

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	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000249	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000230	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	8.750	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	8.400	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.04160	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.1681	eV/atom	DFT · OptB88vdW
↳	-0.1420	eV/atom	Measured

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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 — Properties & Data | MatWorld

Nb3Al

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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