Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2023 , Vol. 57 >Issue 9: 1214 - 1220

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2022.146

Aeronautics and Astronautics

Arc Attachment Characteristics of Carbon Fiber Reinforced Thermoplastic Materials

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  • 1. School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China
    2. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    3. Commercial Aircraft Corporation of China Ltd., Shanghai 200135, China

Received date: 2022-05-07

  Revised date: 2022-07-07

  Accepted date: 2022-07-13

  Online published: 2022-09-16

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Abstract

As a promising structural material, carbon fiber reinforced thermoplastic (CFRTP) has been gradually applied on aircrafts. The lightning arc adhesion characteristics of CFRTP, however, are still unclear. Therefore, the arc adhesion characteristics of CFRTP were studied by simulating the lightning test method. Based on the finite element method, the effect of CFRTP on spatial electric field was analyzed and compared with that of metal materials. It is found that for the structure containing both CFRTP and metal materials, CFRTP is possible to be attached by the lightning discharging channel, but the probability is lower than that of the metal material by 22.5%. In the process of lightning arc adhesion, single upward leader and multiple upward leaders appear on the surface of CFRTP, resulting in the corresponding single or multiple arc attachment points. Simultaneous adhesion of lightning arc on both CFRTP and metal material also occurs. The spatial electric distribution obtained by simulation is consistent with the experimental results. This paper can provide the basis for the lightning characteristics and damage response of CFRTP.

Key words： carbon fiber reinforced thermoplastic (CFRTP); lightning strike; arc; adhesion characteristics

Cite this article

XIE Minqi, XIAO Cien, BIAN Jiapeng, LIU Yakun, FAN Yin, CHEN Xiuhua, LIU Libo . Arc Attachment Characteristics of Carbon Fiber Reinforced Thermoplastic Materials[J]. Journal of Shanghai Jiaotong University, 2023 , 57(9) : 1214 -1220 . DOI: 10.16183/j.cnki.jsjtu.2022.146

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