Improving mechanical properties of Mg-Al-Zn alloy sheets through accumulative roll-bonding
(1. Analytical and Testing Center, South China University of Technology, Guangzhou 510640, China;2. School of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China)
Abstract: Experiments were conducted to evaluate the potential for improving the mechanical properties of Mg-Al-Zn alloy at room temperature by subjecting to accumulative roll-bonding(ARB). It is shown that ARB may be applied successfully to Mg-Al-Zn alloy at elevated temperatures and it leads to grain refinement and significant improvements in the ductility. The strength of the as-rolled Mg-Al-Zn alloy sheet after ARB processing is slightly decreased and basal texture is weakened by ARB processing.
Key words: Mg-Al-Zn alloy; accumulative roll-bonding; mechanical property; grain refinement