Formation Mechanisms for Entry and Exit Defects in Bobbin Friction Stir Welding

• Published in: Metals
• Main Authors: Abbas Tamadon, Dirk Pons, Kamil Sued, Don Clucas
• Format: Text
• Language: English
• Published: Multidisciplinary Digital Publishing Institute 2018
• Subjects: bobbin friction stir welding; sprayed entry defect; keyhole exit defect; material flow; analogue modelling; plasticine; AA6082-T6; Keyhole; Tail Island
• Online Access: https://doi.org/10.3390/met8010033

Bobbin friction stir welding (BFSW) is an innovative variant for the solid state welding process whereby a rotating symmetrical tool causes a fully penetrated bond. Despite the process development, there are still unknown variables in the characterization of the process parameters which can cause un...