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Coupled Thermo Mechanical Modeling Of Friction Stir Welding And Fatigue Life Improvement Of Friction Stir Welding Structures, Saad Bin Aziz
Coupled Thermo Mechanical Modeling Of Friction Stir Welding And Fatigue Life Improvement Of Friction Stir Welding Structures, Saad Bin Aziz
LSU Doctoral Dissertations
Friction- stir- welding (FSW) is comparatively a new welding process invented by The Welding Institute in 1991. Since no melting or fusion occurs during the welding process, FSW is free of high heat input and solidification defects. Two main objectives have been set forth in this work. The first object of this thesis is to develop thermomechanical models based on experimental knowledge and understanding the FSW process at a fundamental level. The quality of friction-stir-welding (FSW) joints depends on many critical weld process parameters. The main challenge for the FSW is in the selection of these critical process parameters that …