316不锈钢的非比例循环特性

金属学报, 1996, 32(1): 15-22.

316不锈钢的非比例循环特性

杨显杰 , 高庆 , 何国求 , 蔡力勋

西南交通大学

基金项目: 国家自然科学青年基金

关键词：３１６Ｌ不锈钢 , 316LN stainless steel , nonproportional cyclic plasticity , plastic flow , cyclic hardening

ON NONPROPORTIONAL CYCLIC PROPERTIES OF TYPE 316 STAINLESS STEELS

YANG Xianjie , GAO Qing , HE Guoqiu , CAI Lixun (Southwest Jiaotong University

Keywords： : 316L stainless steel , ３１６ＬＮ不锈钢 , 非比例循环塑性 , 塑性流动 , 循环硬化

本文对３１６Ｌ，３１６ＬＮ不锈钢进行了单轴及双轴非比例循环加载试验研究．对这两种钢的循环硬化、塑性流动特性以及单轴随动硬化特性进行了分析、发现这些材料的循环特性不但依赖于等效应变幅值、更依赖于应变路径．得到了这两种材料的循环变形的一些有意义的结果．

篈n experimental investigation was carried out of the cyclic properties of 316L and 316LN stainless steels subjected to uniaxial loading and biaxially nonproportional cyclic loadings. The properties of cyclic hardening, plastic flow and uniaxial kinematic hardening for the two kinds of steels were studied. It is shown that the properties depend not only on equivalent strain amplitude, but on strain path also. Some significant results were obtained.Correspondent: YANG Xianjie,(associate professor, Institute of Applied Mechanics, Southwest Jiaotong University, Chengdu 610031)

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