Abstract

AbstractThe need for joining of dissimilar metals is growing rapidly in automotive industries. Typically, integration of chassis and frame involves the joining of dissimilar materials (typically, steel, and aluminum alloy). However, joining steel with aluminum alloys is a challenging task. Friction stir welding is proved to be an operative methodology for joining the dissimilar materials. The obtained peak temperature influences the properties of the friction stir welded joints. In this study, a computation model was developed for analyzing the thermal phenomenon in the course of friction stir welding of aluminum alloy AA5083 with steel ASTM A710 using COMSOL Multiphysics software. The results indicate that the friction stir welding parameters (tool translation speed, tool rotation speed, and axial force) have a substantial impact on the peak temperature. Friction stir welding at tool rotation speed between 1000 and 1100 rpm, tool translation speed between 1 mm/min and 1.75 mm/min, and axial force between results 1300 and 1500 N in peak temperature between 920 and 950 K.KeywordsAA5083ASTM A710 steelFriction stir weldingDissimilar metalsAutomotive

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