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hashemi--ramin
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Implementation of Shear Stress in M-K Model for Determination of the Limit Strains
, M.Sc. Thesis Sharif University of Technology ; Asempour, Ahmad (Supervisor) ; Hashemi, Ramin (Co-Advisor)
Abstract
One of the most useful methods in metal forming is Sheet Metal Forming. Use of Forming limit diagrams (FLD) in designing is a conventional method. Therefore many experimental and theoretical efforts have been carried out in order to investigate the FLDs. Many ways to obtain this FLDs and their effective parameters have been studied. But the stress state at these studies is planar which lead to an untrue model for several metal forming process such as incremental sheet forming. With this technique, the forming limit curve (FLC) appears in a different pattern, revealing an enhanced formability, compared to conventional forming techniques. Therefore, in this study, the effect of through...