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Influence of roll smoothing on the initial residual stress fields of 10Ni5CrMoV steel heavy gauge plates
Author(s): 
Pages: 70-74,102
Year: Issue:  2
Journal: JOURNAL OF PLASTICITY ENGINEERING

Keyword:  辊式校平数值模拟大尺寸板材初始残余应力10Ni5CrMoV钢;
Abstract: 用实验和数值模拟相结合的方法,研究了辊式校平过程对10Ni5CrMoV钢大尺寸船用板材残余应力的影响规律.实验结果和有限元结果的对比表明,大尺寸板材的辊式校平的有限元分析过程可以用平面应变问题来处理,并能保持相当的精度;校平过程对于板材上表面的长度方向应力影响很大.有限元分析的结果表明,校平过程中板材承受反复的拉压,从而在板材表面形成一层关于中性层对称的塑性变形.
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