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Two Dimensional Friction Stir Welding Model With Experimental Validation, Charles Blake Owen
Two Dimensional Friction Stir Welding Model With Experimental Validation, Charles Blake Owen
Theses and Dissertations
The performance of a coupled viscoplastic model of FSW has been evaluated over a variety of tool RPMs and feed rates. Initial results suggested that further optimization of the material parameters and an additional ability to model the thermal recovery of the material would improve the overall performance of the model. Therefore, an experimental/numeric approach was taken to improve and quantitatively compare the performance of the model based upon the thermal profile of the workpiece. First, an experimental method for obtaining real-time temperature measurements during Friction Stir Processing (FSP) of 304L Stainless Steel was developed. The focus of the method …