The effects of Cu and Sr elements on the mechanical properties of Al-Mg-Si based alloy sheets were studied by using metallograph,DSC,XRD,SEM and TEM.

• 采用DSC、XRD、SEM及TEM等分析手段,研究了铜和锶对铝-镁-硅基铝合金汽车车身板材显微组织和力学性能的影响。