Friction stir spot welding
= Friction stir spot welding
{wiki=Friction_stir_spot_welding}
Friction Stir Spot Welding (FSSW) is a solid-state welding process that employs frictional heat to join materials, typically metals, without the need for melting. It is a variant of Friction Stir Welding (FSW), which is more commonly used for continuous joints.