Browsing by Author "Kaftanoglu,B."

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    Prediction of plastic instability and forming limits in sheet metal forming
    (2011) Şanay,B.; Kaftanoglu,B.; Manufacturing Engineering; 06. School Of Engineering; 01. Atılım University
    In this study, FLD's are predicted by simulating Nakazima test using a finite element software. Strain propagation instability criterion is used to evaluate the limit strains from the finite element simulations. SAE 1006, material is used in this study and 7 different specimen geometries are analyzed. Furthermore, FLD's are also predicted by theoretical approaches namely; Keeler's model, maximum load instability criterion, Swift-Hill model and Storen-Rice model. At the end of the study, the calculated FLD's are compared with the experimental results. © 2011 IBF (RWTH Aachen) & IUL (TU Dortmund).