BaAlSi — Properties & Data | MatWorld

BaAlSi

Name: BaAlSi
Brand: MatWorld

metal

· BaAlSi

BaAlSi is an intermetallic compound combining barium, aluminum, and silicon, belonging to the class of lightweight metallic materials with ceramic-like properties. This material is primarily of research and development interest for advanced applications requiring combinations of low density with moderate stiffness, though industrial adoption remains limited compared to established aluminum or magnesium alloys. The barium-containing composition makes it potentially valuable for applications where specific thermal, electrical, or radiation-shielding characteristics are beneficial, though practical engineering use cases and production maturity are not yet widespread.

research alloyslightweight structural componentsaerospace materials (experimental)thermal management applicationsradiation shielding (potential)high-temperature intermetallics

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	48.64	GPa	DFT
↳	51.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2000	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	37.46	GPa	DFT
↳	38.40	GPa	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	3.797	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.5650	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	15.54	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000553	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000594	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-17.07	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-17.77	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.11	%	DFT · TBmBJ

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)	-0.4722	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

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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.

BaAlSi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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