BaAl4

metal
· BaAl4

BaAl4 is an intermetallic compound in the barium-aluminum system, representing a crystalline metal phase with defined stoichiometry. This material belongs to the family of lightweight intermetallics and is primarily of research and specialized industrial interest rather than a commodity engineering material. Potential applications include high-temperature aerospace components, thermal management systems, and advanced lightweight structural alloys where barium's low density and aluminum's strength can be leveraged; however, limited commercial adoption means engineers typically encounter this compound in materials research, prototype development, or niche applications requiring specific thermal or mechanical coupling properties that conventional alloys cannot provide.

aerospace research componentslightweight structural applicationshigh-temperature intermetallicsmaterials research and prototypingthermal management systemsexperimental alloy development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
7,391.7
ksi—
↳
7,362.1
ksi—
Poisson's Ratio(ν)
0.2600
-—
Shear Modulus(G)2 entries
5,023.6
ksi—
↳
4,312
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)
0.1224
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)
-24.32
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.3423
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.