Finite element prediction of fatigue crack propagation lifetime in composite bonded joints

被引：31
|
作者：
Wahab, MMA [1 ]
Ashcroft, IA
Crocombe, AD
Smith, PA
机构：
[1] Univ Surrey, Sch Engn H5, Guildford GU2 7XH, Surrey, England
[2] Univ Loughborough, Wolfson Sch Mech & Mfg Engn, Loughborough LE11 3TU, Leics, England
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2004年 / 35卷 / 02期
关键词：
fatigue; fracture; finite element analysis (FEA); adhesive;
D O I：
10.1016/j.compositesa.2003.10.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A generalised technique for the prediction of fatigue crack propagation lifetime in bonded structures using finite element analysis is proposed. The method is based on numerical integration of the fatigue crack growth law from an initial to a final crack size. The technique has been applied to carbon fibre composite joints bonded with an epoxy adhesive. A crack growth law was determined experimentally using double cantilever beam (DCB) samples. Experimental load-life data were then generated for single and double lap joints (DLJs) manufactured from the same materials as the DCB samples. The crack growth law determined from the DCB samples was used to predict the load-life response of the single lap and DLJs. Good agreement was seen between the predicted and experimental load-life plots. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：213 / 222
页数：10
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