Al3Si

metal
· JVASP-125548· Al3Si

Al₃Si is an intermetallic compound composed of aluminum and silicon, representing a phase that can form in aluminum-silicon alloy systems. This material is primarily of research and metallurgical interest rather than a standalone engineering material, typically appearing as a constituent phase in cast aluminum-silicon alloys used for lightweight structural applications. Engineers encounter Al₃Si as a reinforcing or secondary phase within commercial Al-Si casting alloys, where it influences hardness, thermal properties, and wear resistance; it is notable for its potential in high-temperature applications and composite reinforcement, though its brittleness and limited ductility mean it is not used as a monolithic material in typical engineering designs.

cast aluminum alloysintermetallic strengthening phaseautomotive engine blocksthermal management componentswear-resistant coatingsmetallurgical research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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kg/m³——
Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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µB——
Verified Unverified Low confidence (<80%) Link to source
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Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.