Volume 35 Issue 8
Aug.  2009
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Guo Yuan, Guan Zhidong, Liu Debo, et al. Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(8): 1018-1021. (in Chinese)
Citation: Guo Yuan, Guan Zhidong, Liu Debo, et al. Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(8): 1018-1021. (in Chinese)

Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage

  • Received Date: 19 Jun 2008
  • Publish Date: 31 Aug 2009
  • To discuss the delamination onset load, quasi-static indentation tests and drop-weight impact tests were performed. The effects of the material and plying pattern on the delamination onset load were also studied. Moreover, the delamination threshold energy levels were found and the corresponding damage was analyzed. The results show that the delamination onset load increases along with the impact energy, and the delamination onset load in the quasi-static indentation is lower than in the low-velocity impact. Massive delamination happens in laminate panels when the energy reaches the delamination threshold energy, and the rigidity descends rapidly.

     

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