The increasing pressure of environmental organization has forced the automotive industry to look into all available options to reduce significantly a fuel consumption of vehicles manufactured. One of the most exercised options is utilizing light materials, like sheet aluminum, which application significantly reduces vehicles weight, and consequently its fuel consumption. This paper presents some results of a study on laser application to weld sheet 5XXX aluminum alloy. Butt welds were considered in this paper, only. Two fundamental methods of welding were studied: autogenous welding and welding with an addition of filler metal. The latter one was found superior to the autogenous one from the monotonic properties point of view. Failure always occurred in the base metal for all filler-metal-welded specimens tested monotonically. Also, an addition of filler metal to the welding zone increased the fatigue strength of butt welds approximately 20 percent in comparison with autogenous butt weldments.
Mechanical properties of laser-welded sheet aluminium
1998
9 Seiten, 7 Bilder, 4 Tabellen, 9 Quellen
Conference paper
English
Mechanical properties of laser-welded sheet aluminium
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