Laser shock welding of aluminum/aluminum and aluminum/copper plates |
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| Affiliation: | 1. School of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China;2. Tianjin Key Laboratory of Advanced Joining Technology, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China;3. Collaborative Innovation Center of Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China;4. College of Science, Civil Aviation University of China, Tianjin 300300, China;1. RWTH Aachen University – Welding and Joining Insitute ISF, Pontstr. 49, 52062 Aachen, Germany;1. Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China;2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China;3. Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China |
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| Abstract: | This work describes an advanced technique for metal welding and composite production, namely laser shock welding. A series of laser shock welding experiments were conducted to verify the welding ability of aluminum/aluminum and aluminum/copper plates. Two kinds of interface morphologies were observed by metallographic investigation on cross-sections of the joint areas, including the linear and wavy interfaces. Besides, micro-hardness testing results show the welded interface has a much greater hardness than the base metals. The lap shearing test was used to characterize the joint. According to the experimental results, it can be imply that this kind of technique shares the same bonding mechanism with explosive welding and magnetic welding. |
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