Developments in pulsed and continuous wave laser welding technologies
J. Zhou, Pennsylvania State University, USA
H.L. Tsai, Missouri University of Science and Technology, USA
Abstract:
This chapter first describes the history and current status of the laser welding technology. Then, fundamentals of laser welding, such as keyhole formation and collapse, laser-plasma interaction, weld pool dynamics, porosity formation mechanisms, metal melting and solidification, etc., are elaborated. Finally, new developments in laser welding such as hybrid laser-arc welding, multi-beam laser welding, electromagnetically assisted laser welding, and future challenges and development of laser welding are discussed.
Key words
laser welding
hybrid ...
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