Synergistic improvement of mechanical properties at room temperature and high temperature of 350 °C of Al–7Si–4Cu–1Ni–0.5Mn–0.5Mg alloy via microalloying of Gd and Yb elements

Key Points

• Enhanced mechanical properties achieved at room temperature and high temperature of 350 °C.
• Microalloying with Gd and Yb elements improved the alloy's resistance and performance under high temperature.
• Analysis of mechanical property enhancements based on temperature evaluations.
• Significant implications for alloy applications in engineering and manufacturing sectors.