Fatigue propagation of induced cracks by stiffeners in repaired panels with composite patches

被引：7

作者：

Hosseini-Toudeshky, H. ^{[1
]}

Ghaffari, M. A. ^{[1
]}

Mohammadi, B. ^{[2
]}

机构：

[1] Amirkabir Univ Technol, Dept Aerosp Engn, Tehran, Iran

[2] Iran Univ Sci & Technol, Sch Mech Engn, Tehran, Iran

来源：

11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷

关键词：

Crack propagation; composite patch; repair; Stiffened cracked panel; rivet; GROWTH ANALYSIS;

D O I：

10.1016/j.proeng.2011.04.542

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, finite element method is used to investigate crack propagation of stiffened aluminum panels repaired with composite patches. For this purpose, 3-D crack-front in general mixed-mode conditions is considered for the analyses. The cracks are considered to be near the stiffener around a rivet and are capable to propagate under a cyclic loading. Effects of rivets distances and their diameter on the crack growth life of repaired panels are investigated. Moreover, the obtained crack-front shapes at various crack growth steps, crack trajectories and life of the unrepaired and repaired panels with various glass/epoxy patch lay-ups are discussed. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11

引用

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页码：3285 / 3290

页数：6

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