Stress state and modelling of mode I cracks in layered materials suffering normal or near-normal contact loading

被引：5
|
作者：
Kelly, PA
Hills, DA
OConnor, JJ
机构：
[1] Department of Engineering Science, University of Oxford
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 1997年 / 211卷 / 04期
关键词：
crack; layer; contact; stress; stress intensity factor;
D O I：
10.1243/0954406971522060
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Stress intensity factors are found for cracks arising in an elastic layer, perfectly bonded to an elastic substrate and propelled by surface contact loading, in a range of different distributions. In each case the loading is normal or very nearly normal, with only a modest frictional shearing force present. It is shown that the most favoured regions for crack growth, i.e. where tension occurs, are adjacent to the interface (at 45 degrees) and normal to the free surface, based on the assumption that cracks grow mainly in mode I.
引用
收藏
页码：301 / 311
页数：11
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