Al3FeSi2

metal
· Al3FeSi2

Al3FeSi2 is an intermetallic compound belonging to the aluminum-iron-silicon family, characterized by a fixed stoichiometric composition that creates a brittle, hard phase. This material appears primarily in cast aluminum alloys as a secondary phase rather than as a standalone engineering material, where it forms during solidification and influences the overall mechanical and thermal properties of the host alloy. Its presence is notable in automotive and aerospace casting applications because controlling its formation and morphology is critical for optimizing strength, wear resistance, and thermal stability—making it more of a microstructural constituent that engineers must manage rather than a primary material of choice.

cast aluminum alloysautomotive engine blocksaerospace castingswear-resistant coatingshigh-temperature applicationsmicrostructural hardening phase

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
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

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.