Asymptotically Modelling of Plastic Deformation during Cold Rolling of Sheet Metal

SPAAM Seminar Series (11/5/2023)-Mozhdeh Erfanian
Asymptotically Modelling of Plastic Deformation during Cold Rolling of Sheet Metal:

Cold rolling is a metal forming process where a strip of metal passes between two rollers and comes out thinner. Understanding the stress and strain in the material resulting from the roll pressure is essential not only for process design but also for material design. Here, we present a multiple-scale asymptotic model for cold rolling under the assumption of large rollers and a thin sheet. This model can successfully predict the stress and strain distribution, including through-thickness stress oscillations, and is shown to agree well with Finite Element simulations.

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