Abstract

Abstract Some theories of friction relevant to friction welding have been discussed. Friction welding has been done on Low Carbon Steel-Stainless Steel and Aluminium-Copper dissimilar metal combination and the results of tensile testing on the welds have been correlated to the friction mechanism. Diffusion and recrystallization appear to be the mechanism of friction welding for Low Carbon Steel-Stainless steel and cold working and upsetting seem to be the predominant mechanism for welding of Aluminium to Copper.

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