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The laser has introduced optical radiant energy as a new form of energy for industry. Laser welding offers high speed, with high joint efficiency to produce high quality weld. It can be delivered in pulse mode or continuously, to control the heat input, and hence, the heat affected zone, or the temperature near heat sensitive items. The energy can be delivered through transparent media for underwater welding. It can be used with a filler system for the thick section welding, and also it can be transmitted through air, vacuum or fibre. In the present paper, some issues on laser welding and its applications are reviewed.


Welding, Laser, LBW, Applications, Typical Issues.
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