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超高周疲劳裂纹萌生和初始扩展的机理与模型
洪友士; 孙成奇; 雷铮强
Source Publication中国力学大会——2013论文摘要集
2013
Conference Name中国力学大会——2013
Conference Date2013-08-19
Conference Place中国北京
Abstract提出了高强材料超高周疲劳值得关注的若干关键问题,探讨了高强钢超高周疲劳裂纹起源和初始扩展的特征与机理。文中通过大量实验结果,显示了"鱼眼"和"细晶区"尺寸随疲劳寿命的变化趋势,表明"鱼眼"和"细晶区"的应力强度因子值不随疲劳寿命变化而是基本保
Keyword超高周疲劳 裂纹萌生 扩展的 机理 细晶区 模型分析 裂纹源 疲劳寿命估算 “鱼眼 高强钢 高强材料 夹杂物 加载 应力比 实验结果分析 材料强度 恒定 变化趋势 应力强度因子 尺寸:0
DepartmentLNM金属材料微结构与力学性能
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48678
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
洪友士,孙成奇,雷铮强. 超高周疲劳裂纹萌生和初始扩展的机理与模型[C]中国力学大会——2013论文摘要集,2013.
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