Transactions of Materials and Heat Treatment

Title：Simulation research of V-bending springback for ultra-high-strength steel sheet

Authors： ZHU Yang-chun1 WU Xiang-dong1 WAN Min1 DIAO Ke-shan2

Unit： 1.School of Mechanical Engineering and Automation Beihang University Beijing 100191 China 2.Automobile Steel Research Institute Baoshan Iron and Steel Co. Ltd. Shanghai 201900 China

KeyWords： ultra-high-strength steel sheet springback of V-bending numerical simulation orthogonal array experiment

ClassificationCode：TG386.3+1

year,vol(issue):pagenumber：2012,37(5):31-34

Abstract：

Springback is one of the key factors in ultra-high-strength steel sheet's forming which influences both the dimension and shape accuracy of the ultra-high-strength steel. The V-bending springback and unloading springback process of 980GI ultra-high-strength steel sheet were simulated by the software ABAQUS/CAE using orthogonal array experiment method based on experimental confirmation. The influences of parameters of geometry and process on springback were studied. The influence sensitivity and regulation of every factor were finally got from simulation results, and simulation prediction was finally carried out, which provides references in practical application.

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