汽车铝合金零部件的焊接重庆大学贺岩松汽车的轻量化、可回收再利用是当今汽车生产中的一个重要的发展趋势。铝及其合金具有比重小，成形方便，易于切削加工，且可以有较高的强度、刚度，以及耐腐蚀、美观等优点，更具有可回收的特性。因而在汽车上，铝合金零部件应用十分... Automotive aluminum alloy parts welding Chongqing University, He Yansong Lightweight, recyclable and reusable automotive production today is an important development trend. Aluminum and its alloy with a small proportion, easy forming, easy cutting, and can have higher strength, stiffness, and corrosion resistance, aesthetics, etc., more recyclable features. Thus in the car, the application of aluminum alloy parts is very ...