Friction welding process

Friction welding principle

Friction welding is a method of solid-state welding. Mechanical friction and axial pressure are generated by high-speed rotation between the two workpieces to generate heat on the two friction surfaces, and the welding surface is heated to a plastic state. The plastic deformation and flow of the friction surface metal prevents the oxidation of the metal, promotes the mutual diffusion of the weld metal atoms, and uses the heat generated by the friction to join the two weldment metals to form a firm welded joint.