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夹杂物附近循环塑性应变场的细观力学实验研究
Micromechanical Experiment Study for Cyclical Plasticity Strain Near by Inclusion
【摘要】 夹杂物附近循环塑性应变场的细观力学实验研究洪宝宁徐涛(东南大学数学力学系,南京210018)大量实验结果显示[1,2],夹杂物是疲劳裂纹主要的萌生源之一,它对材料的疲劳力学性能影响很大.自50年代起,人们已开始研究这类问题[3],然而,受实验技术和...
【Abstract】 Depended on the observation of fatigue crack initiation near by inclusion on microscope,a method to calculate plasticity strain,utilizing series of microscope image, is presented. The statistical law of cyclical plasticity strain and its change,in course of fatigue crack initiation,is studied and analyzed.
【关键词】 inclusion;
fatigue crack;
initiation;
micromechanical experiment;
【Key words】 inclusion; fatigue crack; initiation; micromechanical experiment;
【Key words】 inclusion; fatigue crack; initiation; micromechanical experiment;
【基金】 国家重点自然科学基金
- 【文献出处】 东南大学学报 ,Journal of Southeast University , 编辑部邮箱 ,1997年04期
- 【分类号】TB30
- 【被引频次】2
- 【下载频次】101