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ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2024 , Vol. 45 >Issue 22: 430239 - 430239

DOI: https://doi.org/10.7527/S1000-6893.2024.30239

Material Engineering and Mechanical Manufacturing

Transverse high-speed impact resistance of carbon nanotube resin composite films

  • Zhouyi LI ,
  • Haoran LIU ,
  • Tengfei REN ,
  • Xiaoxiao LIU ,
  • Hongqi WANG
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  • 1.School of Civil Engineering，Xi’an University of Technology，Xi’an 710048，China
    2.School of Aeronautics，Northwestern Polytechnical University，Xi’an 710072，China
    3.Shaaxi Jiangong （Yan’an） New Building Materials CO. ，LTD. Yan’an 716000，China
E-mail： xxliu@xaut.edu.cn

Received date: 2024-01-26

  Revised date: 2024-03-28

  Accepted date: 2024-04-29

  Online published: 2024-05-14

Supported by

National Natural Science Foundation of China(12302485);General Special Scientific Research Project of Shaanxi Provincial Department of Education(23JK0569)

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Abstract

This study investigates the performance of Carbon NanoTube （CNT） films against transverse high-speed impacts and the effect of resin content on the impact performance using a one-stage light air gun experiment. Combining numerical simulations， we obtain the critical penetration velocities of pure CNT films and those impregnated with 20%， 50% and 80% epoxy resin solution under the impact of a steel ball with a diameter of 3 mm， which are 26.2 m/s， 27.1 m/s， 27.96 m/s， and 35.3 m/s， respectively. The results show that the epoxy resin can enhance the mechanical properties of CNT films， and the enhancement effect gradually grows with the increase of epoxy resin concentration. Through the observation of microscopic morphology， we discover that the enhancement mechanism of the CNT resin composite film under high-speed impact is mainly based on the energy absorption of microcracks. By investigating into the mechanical behaviour of CNT resin composite films under high-speed impact to reveal the enhancement mechanism of CNT under transverse impact load， this study aims to provide help and guidance for the design and preparation of interlayer toughened composites and their mechanical property research.

Key words： carbon nanotube films; composite material; high speed impact; numerical simulation; impact resistance

Cite this article

Zhouyi LI , Haoran LIU , Tengfei REN , Xiaoxiao LIU , Hongqi WANG . Transverse high-speed impact resistance of carbon nanotube resin composite films[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2024 , 45(22) : 430239 -430239 . DOI: 10.7527/S1000-6893.2024.30239

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Total visits: 6658907 Today visits: 1341