Affiliation:
1. University of British Columbia
Abstract
There are several reported thermomechanical models that can be used to predict friction stir welding (FSW) properties of different alloys. A major application of these models is the computation of material temperature, flow stress, strain rate and strain during the process and/or the resulting residual stress after the process. The models are normally applied to solve energy, mass and force equilibrium equations simultaneously using different numerical approaches. All of the validated models can be reliably used to optimize the FSW process parameters such as tool RPM and transverse speed. The brief review in this article is indented to summarize some of the most commonly used thermomechanical models of FSW along with their main characteristics namely; the Solid Mechanics-based models, Fluid Dynamics-based models, and hybrid/ multiphysics models.
Publisher
Trans Tech Publications, Ltd.
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