A Polycrystal Plasticity Model and its Application in Deep Drawing of a FCC Metal

Abstract:

This study developed a new polycrystal plasticity model by deducing a set of linear controlling equations with respect to the controlling equation of rate dependent crystal plasticity (RDCP). It was proved numerically efficient and stable by means of the comparison with experiment and an implicit model. The model was then applied to describe earing in deep drawing process. Remarkable effects of rate sensitivity coefficient of the material, drawing speed and dies clearance on earing were found.

• Periodical: Advanced Materials Research (Volumes 560-561)
• Pages: 952-958
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.560-561.952
• Online since: August 2012
• Authors: Hong Wei Li, He Yang
• Keywords: Crystal Plasticity, Deep Drawing, Earing, Explicit Algorithm, Implicit Algorithm

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