A Microscopic Mechanism of Fatigue Crack Growth Based on the Dislocation-Free Zone

被引：0
|
作者：
Jun, Ma [1 ]
Yi, Sun [1 ]
机构：
[1] Dept. of Astronautic Engineering and Mechanics, Harbin Institute of Technology, 150001, China
来源：
International Journal of Fracture | 2002年 / 114卷 / 04期
关键词：
Civil engineer - Cohesive zone model - Cyclic loading - Dislocation free zone - Fatigue cracks - Mechanical - Mechanical engineer - Mechanism modeling - Microscopic mechanisms - Simple++;
D O I：
10.1023/A:1022678231171
中图分类号：
学科分类号：
摘要：
A new microscopic mechanism model of fatigue crack growth is presented based on the dislocation-free-zone (DFZ) theory. A cohesive zone model is developed to determine the stress filed of the DFZ under cyclic loading. A simple relation is derived to evaluate the rate of fatigue crack growth.
引用
收藏
页码：33 / 37
页数：4
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