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There have been several problems regarding the welding of materials with advanced and complex structure for the industry during the recent years. Solid state welding methods have been developed to eliminate these problems. One of these is friction stir spot welding (FSSW). FSSW method is derived from of the friction stir welding (FSW) process and this is a new process that has recently received considerable attention from various industry branches. In both methods, the joining mechanism is the same. However, there are several differences as to the application. The tool used for the FSSW process is similar to the that of FSW and the FSSW process consists of three phases of plunging, stirring and retraction. Studies have also indicated that the effect of tool rotation speed, tool penetration and dwell time on lap shear tensile failure load of the joint have great importance for this method. In this study, how the FSSW method works, the properties of this method, the application of the FSSW method on many different materials have been examined. The results have been reported from the current literature under separate headings.
International Iron & Steel Symposium
UDCS
Melike ŞAŞMAZ
Hilal Kırıkçı
Yahya Bozkurt