室温下304不锈钢的单轴循环棘轮行为实验研究

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基金项目:

国家自然科学基金10372086项目

教育部留学回国人员科研启动基金项目资助

Experimental Study on Uniaxial Cyclic Ratcheting Behavior of 304 Stainless Steel at Room Temperature

Department of Applied Mechanics and Engineering, Southwest Jiaotong University, Chengdu, 610031, China

摘要: 在室温下对固溶处理的304不锈钢进行了系统单轴应变与应力循环实验。研究了具有平均应力的工程应力幅值历史以及相同工程应力幅值下平均应力历史、每一循环平均应力有一固定应力增量的应力幅值历史对单轴棘轮变形行为的影响。得到了一些有意义的结果。
- 304不锈钢 /
- 棘轮 /
- 循环塑性
Abstract: The cyclic tests for 304 stainless steel with solution heat treatment under uni-axial cyclic straining and stressing were carried out systematically. The effects of the cyclic engineering stress amplitude history with constant mean stress, the mean engineering stress history with constant cyclic stress amplitude and the stress amplitude histories with the specific mean stress increment per cycle on the uni-axial ratcheting deformation behavior were investigated. Some significant results are obtained.
- stainless steel /
- Ratcheting /
- Cyclic plasticity