Introduction: fundamentals of laser welding
S. Katayama, JWRI. Osaka University Japan
Abstract:
This chapter describes characteristics of laser welding, features of main lasers used for welding, factors affecting weld penetration, laser welding phenomena including behavior of laser-induced plume, keyhole behavior and melt flows in a molten pool during laser welding. It also refers to welding defects and the recent trend for laser welding.
Key words
laser welding
CO2 laser
YAG laser
fiber laser
diode laser
fiber delivery
welding phenomena
welding defects
laser-induced plume
deep penetration
welding conditions
1.1 Characteristics of laser welding
Welding is the most versatile and realistic joining method applicable to the construction ...
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