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Finite element analysis of springback in bending of aluminium sheets

✍ Scribed by Volkan Esat; Haluk Darendeliler; Mustafa Ilhan Gokler

Publisher
Elsevier Science
Year
2002
Weight
646 KB
Volume
23
Category
Article
ISSN
0261-3069

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✦ Synopsis

Bending is one of the processes frequently applied during manufacture of aluminium components. The bending operation involves springback, which is defined as elastic recovery of the part during unloading. In manufacturing industry, it is still a practical problem to predict the final geometry of the part after springback and to design appropriate tooling in order to Ε½ . compensate for springback. In this paper, commercially available finite-element analysis FEA software is used to analyse bending and springback of different aluminium materials of different thickness. The amount of springback, the total equivalent plastic strains and the equivalent von Mises stresses are presented. The FEA results are compared with empirical data.

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✍ Sergei Alexandrov; Yeong-Maw Hwang πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 697 KB

Finite deformation rigid plastic and elastic-plastic analyses of plane strain pure bending of a plastically anisotropic sheet is presented. An efficient method for finding the exact solution is proposed by extending the previously developed method to the stage of unloading. Using this method the sol