FSSW (Friction stir spot welding), Sürtünme Karıştırma Nokta Kaynağı

Friction stir spot welding (Sürtünme karıştırma nokta kaynağı); A rotating tool with a probe pin plunges into the upper sheet and a backing tool beneath the lower sheet supports the downward force. The tool downward force and the tool rotational speed are maintained for an appropriate time (in this video 2 s) to generate frictional heat. Then, heated and softened material adjacent to the tool deforms plastically, and a solid-state bond is made between the surfaces of the upper and lower sheets.