通过室温下单轴棘轮试验研究了304不锈钢的单轴棘轮机理,并建立了相应的迭代方程来模拟材料的单轴棘轮应变。结果表明:304不锈钢的弹性空间-塑性应变关系曲线和背应力-塑性应变曲线同时存在,并都能表明其循环应变强化特性;模拟结果和试验结果吻合较好,证明了从弹性空间-塑性应变关系角度能够合理解释单轴棘轮机理。
所属栏目
物理模拟与数值模拟“十二五”国家科技支撑计划项目(2011BAK06B02)
收稿日期
2013/9/22014/8/13
作者单位
姜公锋:华东理工大学机械与动力工程学院,上海 200237
孙亮:中国特种设备检测研究院,北京 100013
陈钢:华东理工大学机械与动力工程学院,上海 200237
备注
姜公锋(1981-),男,山东青岛人,博士研究生。
引用该论文:
JIANG Gong-feng,SUN Liang,CHEN Gang.Numerical Simulation of 304 Stainless Steel Uniaxial Ratcheting Based on the Elastic Space[J].Materials for mechancial engineering,2014,38(11):80～83
姜公锋,孙亮,陈钢.基于弹性空间的304不锈钢单轴棘轮的数值模拟[J].机械工程材料,2014,38(11):80～83
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