Abstract
In this work, Barlat 2000 yield criterion has been developed for EDD steel at room temperature. Uniaxial tensile test experiments were performed to determine the material constants for Baralt 2000 yield criterion. In addition to that, biaxial tensile test and compression test has been performed to determine the additional parameters such as biaxial yield stress (σb) and biaxial anisotropic coefficient (rb) for Barlat 2000 yield criterion. Furthermore, Barlat 2000 yield criterion constants have been implemented in finite element analysis of deep drawing process using DYNAFORM software with LSDYNA solver. In order to validate the finite element analysis results, deep drawing experiment has been performed at room temperature. The thickness distribution and earing profile of cup has been compared. It has been observed that, Barlat 2000 yield criterion is very well suited for thickness distribution prediction however earing prediction is poor compared with experimental results.
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