TAN Chao, LI Yulong, GUO Yazhou. Mechanical property analysis of composite adhesively bonded sandwich pipe joints[J]. Acta Materiae Compositae Sinica, 2014, 31(6): 1532-1542.
Citation: TAN Chao, LI Yulong, GUO Yazhou. Mechanical property analysis of composite adhesively bonded sandwich pipe joints[J]. Acta Materiae Compositae Sinica, 2014, 31(6): 1532-1542.

Mechanical property analysis of composite adhesively bonded sandwich pipe joints

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  • Received Date: October 09, 2013
  • Revised Date: December 18, 2013
  • An analytical model for the joints of composite honeycomb sandwich pipes widely used as the aviation structures, which is the most vulnerable part, was developed to investigate the mechanical characteristics of adhesively bonded composite honeycomb sandwich pipe joints. Equivalent elastic parameters of the honeycomb core were obtained according to Gibson's correction formula, and the governing equations were acquired by using the classic composite shell theory and linearly elastic theory, and it was solved through the state space method. The adhesive shear stress and peel stress of pipe joint under torgue and bending moment were calculated by the proposed analytical model. And finite element method was used to simulate the model and the simulated results were compared with the model calculated results. In addition, the influence of overlap length on adhesive stress was analyzed.
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