Al9Cr3Si

metal
· JVASP-146847· Al9Cr3Si

Al9Cr3Si is an aluminum-based intermetallic compound combining aluminum, chromium, and silicon in a fixed stoichiometric ratio. This material belongs to the family of aluminum-transition metal intermetallics, which are primarily of research and development interest for high-temperature structural applications where conventional aluminum alloys reach their limits. The chromium and silicon additions promote oxidation resistance and thermal stability, making this compound a candidate for aerospace, automotive powertrain, and industrial heating applications where lightweight materials must operate at elevated temperatures; however, intermetallics in this composition range typically exhibit brittleness and processing challenges that have limited broad industrial adoption compared to conventional wrought or cast aluminum alloys.

high-temperature structural materialsaerospace engine componentsautomotive powertrain applicationsoxidation-resistant coatingsresearch and development alloyslightweight refractory applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.1340
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.1820
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.
Al9Cr3Si — Properties & Data | MatWorld