Analysis of the disbond effect on the stress intensity factor variation for repaired cracks with bonded composite patch

被引：4
|
作者：
Amiri, A. [1 ]
Bouiadjra, B. Bachir [1 ]
Serier, B. [1 ]
Belhouari, M. [1 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Dept Mech Engn, Sidi Bel Abbes 22000, Algeria
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART L-JOURNAL OF MATERIALS-DESIGN AND APPLICATIONS | 2006年 / 220卷 / L2期
关键词：
stress intensity factor; patch repair; disbond; adhesive; finite-element method;
D O I：
10.1243/14644207JMDA46
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of this study is to analyse, by the finite-element method, the disbond effect on the variation of the stress intensity factor (SIF) at the crack tip in an aluminium sheet repaired with a boron/epoxy patch. The effects of the width and the height of the disbond on the variation of the SIF at the crack tip are highlighted. The obtained results show that the presence of the disbond area increases the SIF of the repaired crack and the rate of this increase depends primarily on the size of the disbond area. The obtained results allow the development of an analytical model of the asymptotic SIF, which takes account of the disbond effect. This model adds the effect of the disbond of the adhesive layer to the well-known Rose model.
引用
收藏
页码：91 / 93
页数：3
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