对高锰钢和18-8不锈钢进行了室温拉伸试验,通过Hollomon法和Crussard-Jaoul法分析了高锰钢和18-8不锈钢的加工硬化行为.结果表明:Crussard-Jaoul法比Hollomon法能更好地分析高锰钢和18-8不锈钢加工硬化行为的特点和机制;18-8不锈钢以位错滑移为塑性变形机制,高锰钢在低应变阶段(e≤0.07)也以位错滑移为主要的塑性变形机制,但当真应变超过0.07时,则以孪生为主要的变形机制;正是孪晶的产生导致了高锰钢和18-8不锈钢加工硬化行为的显著差异.
所属栏目
材料性能及其应用新世纪优秀人才支持计划资助项目(NCET-06-0793);教育部重点资助项目(107093)
收稿日期
2008/8/302009/6/3
作者单位
吴俊良:四川大学制造科学与工程学院, 成都 610065
文玉华:四川大学制造科学与工程学院, 成都 610065
李宁:四川大学制造科学与工程学院, 成都 610065
王兆昌:四川大学制造科学与工程学院, 成都 610065
备注
吴俊良(1983-),男,四川巴中人,硕士研究生.
引用该论文:
WU Jun-liang,WEN Yu-hua,LI Ning,WANG Zhao-chang.Comparison of Work Hardening Behaviors of 18-8 Stainless Steel and Hadfield Steel by Two Methods[J].Materials for mechancial engineering,2009,33(9):68～71
吴俊良,文玉华,李宁,王兆昌.两种方法分析高锰钢和18-8不锈钢加工硬化行为的对比[J].机械工程材料,2009,33(9):68～71
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