Abstract
The tensile test of the countersunk bolted composite material/metal joint with sleeve was carried out, load-displacement curve and out-of-plane deformation of the joint were measured, and the tensile behavior of the joint was analyzed. A finite element model of the joint was established by using ABAQUS software. The offset bearing load, ultimate load and failure mode calculated by finite element model were in good agreement with the experimental results, which proved the validity of the finite element model.Using this model, the mechanism of joint failure was analyzed, and the effects of bolt and sleeve interference, tightening torque and thickness of titanium plate on tensile performance of joints were further studied. The results show that moderately increasing the interference between the bolt and the sleeve can effectively improve the stiffness and strength of the joint; increasing the tightening torque within a certain range can increase the bearing capacity of the joint; increasing the thickness of the titanium plate can improve the rigidity of the joint obviously, but the impact on the ultimate breaking load is small.
| Translated title of the contribution | Tensile performance of countersunk bolted composite/metal joints with sleeve |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 633-640 |
| Number of pages | 8 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 45 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2019 |
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