Nb2Al — Properties & Data | MatWorld

Nb2Al

metal

· Nb2Al

Nb2Al is an intermetallic compound in the niobium-aluminum system, belonging to a class of refractory intermetallics designed for high-temperature structural applications. This material combines niobium's high melting point and refractory properties with aluminum's lightweight character, making it potentially valuable for extreme-temperature environments where conventional superalloys reach their limits. Nb2Al remains primarily in research and development phases; it is studied for aerospace propulsion systems, advanced power generation, and high-temperature structural components where creep resistance and thermal stability are critical, though industrial adoption remains limited compared to established nickel- and titanium-based superalloys.

High-temperature structural componentsRefractory intermetallics researchAerospace propulsion systemsUltrahigh-temperature applicationsAdvanced materials development

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)3 entries	23,282.2	ksi	DFT
↳	23,284.4	ksi	DFT · OptB88vdW
↳	23,282.2	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.07321	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2900	-	DFT · OptB88vdW
↳	0.2807	-	DFT · PBE
Shear Modulus(G)3 entries	11,960.2	ksi	DFT
↳	11,241.9	ksi	DFT · OptB88vdW
↳	11,960.2	ksi	DFT · PBE

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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.2448	lb/in³	DFT · OptB88vdW

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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	0.0000609	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000585	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-6.090	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-6.183	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2795	eV/atom	DFT · OptB88vdW

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

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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.

Nb2Al

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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