Experimental and Numerical Analysis of the Formability of Anisotropic Steel Sheet

2014
The strain-hardening behavior and plastic anisotropy of a steel sheet of deep drawing quality has been characterized in uniaxial tension tests, and several forming tests have been performed to determine the Forming Limit Curve, the Limiting Dome Height in the hemispherical punch test and the height of ears in the cup drawing test. The experiments are compared with finite element predictions obtained with a flexible model for orthotropic plasticity, which allows us to discuss the importance of material parameters for obtaining reliable predictions by means of the numerical simulation.
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