Fatigue crack propagation of aluminium panels repaired with adhesively bonded composite laminates

被引：8
|
作者：
Daghyani, HR
Sayadi, A
Toudeshky, HH
机构：
[1] Amirkabir Univ Technol, Dept Engn Mech, Tehran 15914, Iran
[2] Amirkabir Univ Technol, Dept Aeronaut Engn, Tehran 15914, Iran
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS | 2003年 / 217卷 / 04期
关键词：
cracked panels; composite repair; fatigue crack propagation;
D O I：
10.1243/146442003322814178
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fatigue crack propagation of aluminium panels when repaired with unidirectional glass fibre composite laminates was investigated. The stress intensity factor at the crack tip of cracked panels repaired with single-sided and double-sided composite patches was evaluated by developing three-dimensional finite element models (FEMs). A particular surface preparation was used to bond the patches to the aluminium panels, resulting in a cohesive failure mechanism in the specimens. The results show that the stress intensity factor in the aluminium specimens was considerably decreased for double-sided repair, although for single-sided repair specimens the fatigue life was almost doubled compared with the specimens before repair.
引用
收藏
页码：291 / 293
页数：3
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