Influence of the Friction of Crack Faces on the Cyclic Crack-Growth Resistance of 65G Steel Under Mode II Loading

被引：3
|
作者：
Lenkovs'kyi, T. M. [1 ]
机构：
[1] Ukrainian Natl Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2015年 / 50卷 / 05期
关键词：
65G steel; mode-II loading; fatigue fracture; friction coefficient of crack faces; characteristics of cyclic crack resistance;
D O I：
10.1007/s11003-015-9772-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the fracture of 65G steel under cyclic mode-II loading of beam specimens with lateral cracks, experimentally determine the friction coefficient of crack faces for specimens made of steel with troostite structure, and plot the kinetic diagrams of fatigue fracture. The influence of the friction of crack faces on the cyclic crack-growth resistance of 65G steel under mode-II loading is established for troostite and sorbite structures depending on the growth rate of fatigue cracks.
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页码：682 / 686
页数：5
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