吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (6): 1874-1880.doi: 10.13229/j.cnki.jdxbgxb201606016

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Stress analysis of adhesively bonded single lap joint under eccentric load

LI Chun-liang, WANG Fang-yan, ZHANG Li-hui, WANG Jing   

  1. School of Communication Science and Engineering, Jilin Jianzhu University, Changchun 130118,China
  • Received:2015-11-25 Online:2016-11-20 Published:2016-11-20

Abstract: Based on theory of elastic mechanics, the bonding stress model of adhesively bonded single lap joint under eccentric load was established. The effects of different parameters on the interfacial shear stress were investigated. A quantitative design formula of the single lap joint was given. The results show that the maximum shear stress is located at the bond corner, which will be first damaged. However, the bond failure can be avoided by increasing the width and length of the single lap joint. The shear stress decreases nonlinearly with the increase in distance. Besides, if the hardness of the overlap plate is lower, the bond stress at the corner will be higher under eccentric load. The results of this study provide a reference for engineering practice.

Key words: mechanical design, torsional loading, interfacial stress, adhesive layer, single lap joint

CLC Number: 

  • TQ436.2
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