| Citation: | YANG Z G，WEI Y H，SHI X D. Electrical properties analysis of composite materials skin bonding structures[J]. Journal of Beijing University of Aeronautics and Astronautics，2025，51（10）：3313-3323 （in Chinese） doi: 10.13700/j.bh.1001-5965.2023.0507
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The use of composite materials in modern commercial aircraft is gradually increasing. However, their low electrical conductivity limits their application in skin structures. To enhance the conductivity of current within the skin, additional conductive structures are often bonded. This study modeled the bonding structures of composite aircraft skins and analyzed the electrical properties and influencing factors by establishing equivalent circuits. Using a typical bonding structure model for composite aircraft skin, the effects of structural types and bonding modes on the electrical properties were calculated, and the impact of lightning indirect effects on different bonding modes was analyzed. The results of calculations and simulations show that the material, shape, and size of structural components affect the electrical properties of the skin. Adopting appropriate bonding modes can effectively reduce structural impedance and enhance the shielding performance against lightning indirect effects.
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