Al3 Cu2

semiconductor

· Al3 Cu2

Al₃Cu₂ is an intermetallic compound from the aluminum-copper binary system, characterized by a fixed stoichiometric composition that forms ordered crystal structures distinct from conventional solid solutions or precipitation-hardened alloys. This material is primarily of research and materials science interest rather than widespread industrial production, being studied for potential applications in high-temperature structural applications and as a strengthening phase in aluminum-copper alloys. The compound's relevance to practicing engineers lies mainly in understanding precipitation behavior in commercial Al-Cu alloys (such as 2xxx and 7xxx series), where Al₃Cu phases influence mechanical properties, corrosion resistance, and thermal stability.

aluminum-copper alloy strengthening phaseshigh-temperature structural researchprecipitation hardening studiesintermetallic compound researchaerospace alloy developmentmaterials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00210	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1780	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.

Al3 Cu2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control