Abstract
Laser welding, currently being actively investigated worldwide, is about to become an important joining method. Traditionally laser welding has always been autogenous. With increased demands of welded joint and industrial applicability laser welding is now more frequently used with wire feed. This paper reviews laser welding with continuous wire feed and illustrates its potential advantages and problems. The current knowledge about basics of the techniques, effects of various variables and phenomena involved are summarized and discussed. It is shown that influence of variables requires understanding of their individual and combined effects. The survey indicates that although laser welding with continuous wire feed is a potential technique for many applications, R&D effort is still required to make the installation economically feasible.
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