HE W P, LIU M, WEI J H, et al. Analysis on compression behavior of woven carbon fiber reinforced thick composite laminates under low velocity impact[J]. Chinese Journal of Ship Research, 2023, 18(5): 166–172. DOI: 10.19693/j.issn.1673-3185.03256
Citation: HE W P, LIU M, WEI J H, et al. Analysis on compression behavior of woven carbon fiber reinforced thick composite laminates under low velocity impact[J]. Chinese Journal of Ship Research, 2023, 18(5): 166–172. DOI: 10.19693/j.issn.1673-3185.03256

Analysis on compression behavior of woven carbon fiber reinforced thick composite laminates under low velocity impact

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  • Received Date: January 30, 2023
  • Revised Date: April 12, 2023
  • Available Online: April 22, 2023
© 2023 The Authors. Published by Editorial Office of Chinese Journal of Ship Research. Creative Commons License
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
  •   Objectives  In order to study the effects of impact damage on the compressive strength and failure modes of woven carbon fiber reinforced thick composite laminates, in-plane compression tests are carried out.
      Methods  The modified Hashin failure criterion and material degradation model are realized with user-defined subroutines to simulate the failure behaviors of laminates using the ABAQUS/Explicit modelling package. The effectiveness of the numerical model is validated through comparison with experiments aimed at the compressive strength and failure modes.
      Results  The results show that the impact damage reduces the compressive strength of the impacted laminates. The compressive failure mode of the non-destructive specimen is concentrated at the ends of the impacted laminates, while truncated failure occurs across the middle region. The compressive strength decreases with the increase in impact energy, but there is no linear relationship between the compressive strength and impact energy. The evolution of the damage behavior of laminated plates is closely related to the history of compression load. The damage failure of laminates hardly develops when the compression load is below the threshold of the failure load. Otherwise, the damage expands rapidly in the width direction, and compression damage eventually occurs across the whole width direction of the laminate.
      Conclusions  The results of this study can provide references for evaluating the impact resistance of woven carbon fiber reinforced thick composite laminates.
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