Stress transfer in the fibre fragmentation test: Part III Effect of matrix cracking and interface debonding

被引：0
|
作者：
H.-Y LIU
Y.-W MAI
L YE
L.-M ZHOU
机构：
[1] The University of Sydney,Centre for Advanced Materials Technology, Department of Mechanical and Mechatronic Engineering
来源：
Journal of Materials Science | 1997年 / 32卷
关键词：
Applied Stress; Axial Stress; Interface Crack; Fracture Resistance; Stress Transfer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A theoretical stress analysis has been developed for the fibre fragmentation test in the presence of matrix cracks at sites of fibre breaks. The strain energy release rates for both matrix cracking and interface debonding are calculated for a carbon fibre/epoxy matrix composite. By comparing these strain energy release rates with the corresponding specific fracture resistances, the competition between matrix crack growth and interface debonding has been studied. The distributions of fibre axial stress and interfacial shear stress obtained from the present analysis show that the matrix crack substantially reduces the efficiency of stress transfer from the matrix to the fibre.
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页码：633 / 641
页数：8
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