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Microforming Technology by Haibo Xie, Jingwei Zhao, Zhengyi Jiang

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Chapter 9

Simulation of Micro Ultrathin Strip Rolling

Abstract

This chapter presents the simulation of micro ultrathin strip rolling. The rolling deformation characteristics of foil have been theoretically analyzed. A 2D elastoplastic finite model is established to investigate the roll bite behavior in cold foil rolling process. Contact pressure distribution and roll contour in roll bite are also presented, which demonstrate that foil rolling process is different from conventional strip rolling process. The contact area is composed of five zones which are same as the results of Fleck foil rolling theory. The effect of rolling parameters, such as coefficient of friction, entry thickness and reduction rate on distribution of contact pressure, and ...

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