| 在室温及低温下316L、316LN不锈钢单轴低周疲劳特性的研究 |
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| 引用本文： | 何国求 高庆 等. 在室温及低温下316L、316LN不锈钢单轴低周疲劳特性的研究[J]. 西南交通大学学报, 1996, 31(5): 483-487 |
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| 作者姓名： | 何国求 高庆 等 |
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| 作者单位： | [1]西南交通大学材料工程系，成都610031 [2]西南交通大学应 |
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| 摘 要： | 本文在室温及低温下对316L、316LN奥氏体不锈钢进行了单独拉压低周疲劳试验及其微结构观察，利用穆斯堡尔谱方法，间接地证实了至今尚未得到试验证实的在316LN不锈钢中存在IS结合体的假设，基于宏观微观试验研究结果，深入研究了不锈钢的单轴低周疲劳特性对合金元素氮和试验温度依赖性的微观机理。
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| 关 键 词： | 奥氏体 不锈钢 IS结合体 低周疲劳 疲劳试验 |
Low Cycle Fatigue Characteristics of 316L and 316LN Stainless Steels at Room and Low Temperature |
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| He Guoqiu Chen Chengshu. Low Cycle Fatigue Characteristics of 316L and 316LN Stainless Steels at Room and Low Temperature[J]. Journal of Southwest Jiaotong University, 1996, 31(5): 483-487 |
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| Authors: | He Guoqiu Chen Chengshu |
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| Abstract: | Systematic tests on uniaxial tension compression low cycle fatigue at room and low temperature and observations on micro structure of 316L and 316LN austenitic stainless steels are made.The hypothesis of IS complexes in 316LN stainless steel which has not been proved so far is proved indirectly.Based on the macroscopic and microscopic experimental results of low cycle fatigue of 316L and 316LN stainless steels,the micro mechanism of dependence of uniaxial low cycle fatigue characteristics of stainless steels on the nitrogen element and experimental temperature is studied thoroughly. |
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| Keywords: | austenitic stainless steel IS complexes low cycle fatigue |
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