Friction stir welding (FSW) of dissimilar joints offers serveral advantages over conventional fusion joining techniques since no associated melting is involved. In this study, FSW was applied to join AA6181-T4 aluminium alloy to HC340LA high strength steel and a systematic investigation of the microstructure formation, the development of FexAly intermetallic compounds and their influences on the mechanical behaviour is presented. Based on fractography analyses, a possible failure scenario for the joint during shear test is also proposed.
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Coelho et al. (2008) studied this question.
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