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Materials Science and Engineering
Friction stir welding<br />Aluminum alloys -- Welding<br />Electric welding -- Equipment and supplies<br />Welded joints<br />Tools -- Design<br />Shear (Mechanics)
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Friction Stir Spot Welding Of Aluminum Alloys, Wei Yuan
Friction Stir Spot Welding Of Aluminum Alloys, Wei Yuan
Masters Theses
"Efforts to reduce vehicle weight and improve safety performance have resulted in increased application of light-weight aluminum alloys and a recent focus on the weldability of these alloys. Friction stir spot welding (FSSW) is a solid state welding technique (derivative from friction stir welding (FSW), which was developed as a novel method for joining aluminum alloys). During FSSW, the frictional heat generated at the tool-workpiece interface softens the surrounding material, and the rotating and moving pin causes material flow. The forging pressure and mixing of the plasticized material result in the formation of a solid bond region. The present work …