Prediction of failure modes during deep drawing of metal sheets with nickel coating
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NOTICE: This is the author’s version of a work that was accepted for publication in Journal of Materials Science and Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Materials Science and Technology, Volume 29, Issue 11, November 2013, Pages 1059-1066. http://dx.doi.org/10.1016/j.jmst.2013.08.001
To optimize the process parameters, it is necessary to exactly predict failure modes during deep drawing of coated metal sheets, where two main failure forms are fracture and wrinkling. In this paper, finite element simulations based on continuous damage mechanics were used to study the failure behavior during a cylindrical deep drawing of metal sheets with nickel coating. It is shown that taking the effect of blank holder force into account, these two failure modes can be predicted. The simulation results are well consistent with that obtained from experiments.
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