吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 229-235.doi: 10.13229/j.cnki.jdxbgxb20161416

• Orginal Article • Previous Articles     Next Articles

Effect of Al surface with micro/macro grooves on Al/CFRP adhesive-bonded joints

HU Zhi-qing1, ZHENG Hui-hui2, XU Ya-nan2, ZHANG Chun-ling2, DANG Ting-ting2   

  1. 1. Roll Forging Research Institute, Jilin University, Changchun 130022,China;
    2. College of Materials Science and Engineering, Jilin University, Changchun 130022,China
  • Received:2016-12-28 Online:2018-02-26 Published:2018-02-26

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Abstract: A finite element model of adhesive joint of aluminum alloy 5025 sheet surface with or without grooves and Carbon Fiber Reinforced Polymer (CFRP) was built to evaluate the influence of the grooves on adhesive joint intensity. First, the adhesive joint intentions are compared and analyzed on the aluminum alloy with or without grooves and CFRP, and the effect of the groove depth on the adhesive joint intensity was discussed. The simulation results show that the adhesive joint intensity of aluminum alloy with grooves is better than that of aluminum alloy without grooves. Furthermore, the adhesive joint intensity increases with the groove depth. Then, experiments were carried out, and the results are in good accordance with the simulation results, verifying the simulation method. With the increase in the groove depth, the failure load of the adhesive joints grows continuously, however with further increase in the groove depth, the failure load increases slowly.

Key words: composite materials, micro/macro grooves, aluminum alloy, adhesive joints, carbon fiber reinforced polymer(CFRP)

CLC Number: 

  • TB333
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