Welding processes can be categorized into two broad areas, namely fusion welding processes where a portion of the pieces to be joined actually melts and non‐fusion welding processes. This chapter outlines laser welding parameters. It explains common discontinuities encountered during laser welding followed by advantages and disadvantages of the process. The chapter presents special laser welding techniques, such as multiple‐beam welding, arc‐augmented laser welding, wobble welding, and remote laser welding. Conduction mode welding is normally used for welding of foils and thin sheets, while keyhole mode welding is used for relatively thick sections. The chapter considers the behavior of three groups of materials when laser‐welded: steels, nonferrous metals, and ceramic materials. It discusses discontinuities that are commonly associated with laser welding, specifically porosity and humping. Lasers are effectively used in microwelding and also in tailored blank welding, which involves welding of sheet metal blanks of either different thicknesses, coatings, or materials.
Laser Welding
2023-02-07
56 pages
Article/Chapter (Book)
Electronic Resource
English
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