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Three-Dimensional Modeling of Single-Lap Joints with Variable Interfacial Crack Length

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Abstract:

This paper investigated the performance of single-lap joints with interfacial crack through the finite element method. The finite element method was validated by the G-R solutions at first. And then the influence of geometric parameter of the joint as well as the length of the interfacial crack were discussed. Results showed that the presence of a spew fillet can reduced the stress intensity factors (SIF).The relationship of the crack length ratio and SIF, adhesive thickness ratio and SIF were built.

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Periodical:

Key Engineering Materials (Volume 665)

Pages:

161-164

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.665.161

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Online since:

September 2015

Authors:

Shi Xian Xu, Yu Zhang, Meng Lan Duan, Bing Dai

Keywords:

FEM, Interfacial Crack, Joint Strength, Stress Intensity Factors

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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