Friction stir welding principles center on solid-state joining, frictional heat generation, material plasticization, and precise tool action. This process stands apart from traditional welding by avoiding melting, forming strong homogeneous bonds, and minimizing defects. In industrial applications,
Friction Stir Welding (FSW) has rapidly become one of the most important joining technologies for modern lightweight manufacturing. As a solid-state welding process, friction stir welding eliminates melting-related defects, significantly reduces distortion, and delivers highly repeatable, high-stren