The influence of Cu content on the aging precipitation behavior of Al–Si–Mg–Cu alloys

Key Points

• Increasing copper content enhances the precipitation behavior of aluminum alloys, affecting their microstructure.
• Key evidence shows a marked improvement in mechanical properties with higher copper content in alloys.
• Analysis of the aging precipitation behavior highlights the role of copper in altering microstructure and properties over time.
• This finding supports further exploration into optimizing alloy composition for improved performance.