Li8Al3Si5 — Properties & Data | MatWorld

Li8Al3Si5

metal

· JVASP-34965· Li8Al3Si5

Li8Al3Si5 is a quaternary lithium-aluminum-silicon intermetallic compound that combines low density with potential high strength, positioning it within the lightweight advanced alloy family. This material is primarily of research and developmental interest for aerospace and automotive applications where weight reduction is critical, though it remains largely experimental and has not achieved widespread industrial adoption. Engineers would evaluate this compound in contexts demanding ultra-lightweight structural components or specialized energy-storage related applications, though conventional aluminum alloys and magnesium alloys currently dominate production use in these sectors.

lightweight aerospace structuresexperimental alloys researchautomotive weight reductionenergy storage systemshigh-performance composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	1.867	kg/m³	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	0.000181	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000214	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-6.690	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-7.280	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2238	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.04918	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

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.

Li8Al3Si5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control