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《Materials for Mechanical Engineering》 2013-01
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Prediction for Edge Cracking for Silicon Steel Sheet with Edge Defect during Cold Rolling Based on GTN Damage Model

SUN Quan,YAN Yu-xi,CHEN Jian-jun,PAN Hong-liang(School of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai 200237,China)  
The crack initiation and propagation of silicon steel strip with edge defect during cold rolling process was studied by using GTN damage model in this paper.Nine damage parameters in GTN model were identified by tensile testing and microstructure observing,and then the FE simulation of edge defect evolution of silicon steel strip during rolling process was conducted on the base of GTN damage model,and then the results were compared with rolling experimental results.The results show that the edge defect was a important reason for edge-crack initiation and propagation,and GTN damage model could be used to predict the occurrence of edge-crack of steel strip with edge defect during cold rolling process.The predicted results matched the experimental ones.
【Fund】: 国家自然科学基金资助项目(51105143);; 中央高校基本科研业务资助项目(1114036);; 上海高校青年教师培养资助计划(YG0142129)
【CateGory Index】: TG335.55
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