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Volume 36 Issue 6
Dec 2022
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Chinese Journal of High Pressure Physics  > 2022  >  36(6): 064104.
LI Teng, ZHANG Chenfan, DENG Qingtian, LI Xinbo, WEN Jinpeng. Optimized Design and Energy Absorption of TPU Material Based on Hierarchical Structure[J]. Chinese Journal of High Pressure Physics, 2022, 36(6): 064104. doi: 10.11858/gywlxb.20220542
Citation: LI Teng, ZHANG Chenfan, DENG Qingtian, LI Xinbo, WEN Jinpeng. Optimized Design and Energy Absorption of TPU Material Based on Hierarchical Structure[J]. Chinese Journal of High Pressure Physics, 2022, 36(6): 064104. doi: 10.11858/gywlxb.20220542
shu

Optimized Design and Energy Absorption of TPU Material Based on Hierarchical Structure

doi: 10.11858/gywlxb.20220542
  • 1.

    School of Science, Chang’an University, Xi’an 710064, Shaanxi, China

  • 2.

    Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

  • Received Date: 21 Mar 2022
  • Rev Recd Date: 07 Apr 2022
  • Accepted Date: 20 Apr 2022
  • Issue Publish Date: 05 Dec 2022
    Abstract
  • In this paper, the deformation behavior and energy absorption performance of the hierarchical structure were investigated based on the face-centered cubic hierarchical structure to change the amplitude and distance of the hierarchical structure’s straight beams and introduce the honeycomb structure layer. The quasi-static compression behavior of the proposed hierarchical structure was carried out through finite element methods (FEM) and experimental tests. Thermoplastic polyurethanes (TPU) as the raw material was used to prepare the experimental samples. The force-displacement curves obtained from the FEM and experimental tests are consistent with each other. Compared with the original face-centered cubic layered structure, the conclusion can be obtained: the new hierarchical structure has better energy absorption performance than the face-centered cubic hierarchical structure. The introduction of sinusoidal beams, the increase of plastic hinges, the adjustment of the angle between layers, and the introduction of honeycomb structure layers can enhance the energy absorption ability.

     

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