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Chaboche随动硬化模型参数确定及棘轮效应

姜金朋 陈涛 金平 王珏

姜金朋, 陈涛, 金平, 等 . Chaboche随动硬化模型参数确定及棘轮效应[J]. 北京航空航天大学学报, 2014, 40(10): 1430-1435. doi: 10.13700/j.bh.1001-5965.2013.0655
引用本文: 姜金朋, 陈涛, 金平, 等 . Chaboche随动硬化模型参数确定及棘轮效应[J]. 北京航空航天大学学报, 2014, 40(10): 1430-1435. doi: 10.13700/j.bh.1001-5965.2013.0655
Jiang Jinpeng, Chen Tao, Jin Ping, et al. Parameter determination of Chaboche kinematic hardening models and ratcheting simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1430-1435. doi: 10.13700/j.bh.1001-5965.2013.0655(in Chinese)
Citation: Jiang Jinpeng, Chen Tao, Jin Ping, et al. Parameter determination of Chaboche kinematic hardening models and ratcheting simulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1430-1435. doi: 10.13700/j.bh.1001-5965.2013.0655(in Chinese)

Chaboche随动硬化模型参数确定及棘轮效应

doi: 10.13700/j.bh.1001-5965.2013.0655
基金项目: 国家863计划资助项目
详细信息
    作者简介:

    姜金朋(1988-),女,山东莱阳人,博士生,jjpbuaa@126.com.

  • 中图分类号: TG142

Parameter determination of Chaboche kinematic hardening models and ratcheting simulation

  • 摘要: 采用遗传算法确定不同Chaboche随动硬化模型的参数,得到的3种模型中,四分量模型对棘轮的预测与试验结果符合最好.增大应力幅值或应力平均值,都会使应变峰值增大,应变累积速度加快;利用确定的四分量模型研究加载顺序对棘轮的影响.结果表明,平均应力加载顺序对棘轮预测有较大影响,加载顺序高-低的累积应变低于加载顺序低-高的累积应变,而且先加载的平均应力越大,后加载的载荷产生的累积应变越小;而应力幅值加载顺序对应变累积几乎没有影响.

     

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出版历程
  • 收稿日期:  2013-11-14
  • 网络出版日期:  2014-10-20

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