Volume 30 Issue 10
Oct.  2015
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Article Navigation >  Journal of Aerospace Power  > 2015  >  30(10): 2331-2337
CUI Hai-po, WEN Wei-dong, ZHANG A-long. Influence of different impact energies on damage and residual strength of laminates[J]. Journal of Aerospace Power, 2015, 30(10): 2331-2337. doi: 10.13224/j.cnki.jasp.2015.10.005
Citation: CUI Hai-po, WEN Wei-dong, ZHANG A-long. Influence of different impact energies on damage and residual strength of laminates[J]. Journal of Aerospace Power, 2015, 30(10): 2331-2337. doi: 10.13224/j.cnki.jasp.2015.10.005
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Influence of different impact energies on damage and residual strength of laminates

doi: 10.13224/j.cnki.jasp.2015.10.005

  • 1. Shanghai Institute for Minimally Invasive Therapy, University of Shanghai for Science and Technology, Shanghai 200093, China;

  • 2. College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • Received Date: 2014-03-28
  • Publish Date: 2015-10-28
    Abstract
  • The damage processes of composite laminates under impact loading and static loading after impact were analyzed based on the three-dimensional (3-D) progressive damage theory and whole-process analysis method. The influence rules of impact energy on the damage and residual strength of T300/BMP-316 composite laminates with different layer parameters and dimensions were researched. Results show that there is a threshold of impact energy for the composite laminates. The residual strength of composite laminates will decrease rapidly if impact energy exceeds the threshold value. The threshold value of impact energy for T300/BMP-316 composite laminates is between 5.0J and 5.5J. During the impact process, the dropping velocity of impactor is fluctuating, and layer parameters can influence the dent depth of the surface of composite laminates.

     

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