Analysis of Strength of Adhesive Bonding of Single Lap Joints of Metal with Reinforcements Based on OneDimensional Beam Theory

Abstract

Abstract:

Abstract： In order to enhance the strength of adhesive bonding of single lap joints (SLJs), the adhesive bonding of SLJ with reinforcements was designed based on Goland and Reissner’s onedimensional beam theory model. The adhesive bonding of SLJs whose adherends were aluminum alloy 5052 (Al5052), Al5052 with pasting aluminum and Al5052 with pasting copper were separately tested under tensionshear loading, and stress distributions were acquired by means of finite element analysis. The results show that the strength of joints and the state of stress in the adhesive layer are influenced by the stiffness at the end of the overlap region. The strength of adhesive bonding of SLJ whose adherend is Al5052 with pasting copper is stronger than that of other kinds of joints. The feasibility and validity of adhesive bonding of SLJ with reinforcements are verified by these analysis results.
Key words：

Key words: metal, single lap adhesive, single lap joints, onedimensional beam theory model, rigidity, peeling effect

CLC Number:

WANG Yuqi,HE Xiaocong,DING Yanfang,XING Baoying. Analysis of Strength of Adhesive Bonding of Single Lap Joints of Metal with Reinforcements Based on OneDimensional Beam Theory[J]. Journal of Shanghai Jiaotong University, 2015, 49(01): 49-55.

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