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:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
23,282.2
ksi—
↳
23,282.2
ksi—
↳
23,284.4
ksi—
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa—
Elastic Anisotropy(AU)
0.07321
-—
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi—
Poisson's Ratio(ν)2 entries
0.2807
-—
↳
0.2900
-—
Shear Modulus(G)3 entries
11,960.2
ksi—
↳
11,960.2
ksi—
↳
11,241.9
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2448
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-6.090
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.2795
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.