Development and expectation of laser welding technology

The developing procedure of laser welding technology is presented in this paper.The current situation of laser welding and future perspective is also clarified.The emphasis is focused on the characteristics of laser welding process and its problems to be studied.The comparisons of laser welding with other welding techniques,including electron beam welding,inert gas tungsten arc welding,gas metal arc welding and resistance welding,are performed roundly and deeply.The advantages and disadvantages of laser welding are summed up.