This document discusses the design and experimental study of friction stir welding (FSW) of AA6061-T6 aluminum alloy. The goal is to optimize welding parameters using a lathe machine. FSW is a solid-state welding process that joins metals without melting. The tool geometry and process parameters significantly impact weld quality. Experiments were conducted using different tool profiles and transverse speeds on AA6061 aluminum alloy plates of varying thickness on a lathe machine. Numerical simulations were also performed to model the thermal and mechanical effects of FSW. The simulations showed temperature distributions and deformation patterns during welding. Overall, the study aimed to understand how tool design and process parameters affect the mechanical properties and quality of FSW aluminum welds.
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