EXPERIMENTAL STUDY OF SIMULATED LIGHTNING STRIKE ON HONEYCOMB SANDWICH PANEL WITH CARBON NANOTUBE FILM

doi:10.19936/j.cnki.2096-8000.20210328.009

Abstract

Abstract: In recent years, composite materials have been widely used in aircraft structures due to their advantages. However, the overall electrical conductivity of composite materials is relatively low, thus it is easy to produce severe damage when encountering lightning strike, threatening the structural safety. In this paper, carbon nanotube film (CNTF) is co-cured with composite structure to form a conductive surface layer to protect it against lightning strike. In order to verify the protective effect, composite honeycomb sandwich panels with CNTF layer are fabricated, and simulated lightning strikes with different peak currents are applied to them. The lightning strike processes are recorded by a high-speed camera, and the damage is examined by visual inspection and X-ray CT scanning. Test results have shown that, under different peak lightning currents, the larger the current is, the larger the area of surface damage and the length of internal delamination are. Under the same peak lightning current, the area of surface damage and the length of internal delamination of the CNTF protected structures are significantly reduced. It can be concluded that the CNTF surface layer has good protection effect against the lightning strike for composite honeycomb sandwich panel.

Key words: composite structure, carbon nanotube film, lightning protection, simulated lightning strike test

CLC Number:

TB332

WANG Yong-wei, YAN Gang, GUO Fei. EXPERIMENTAL STUDY OF SIMULATED LIGHTNING STRIKE ON HONEYCOMB SANDWICH PANEL WITH CARBON NANOTUBE FILM[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(3): 60-65.

References

[1] 沈真. 碳纤维复合材料在飞机结构中的应用[J]. 高科技纤维与应用, 2010, 35(4): 1-4, 24.
[2] 杜善义. 先进复合材料与航空航天[J]. 复合材料学报, 2007(1): 1-12.
[3] WANG F, DING N, LIU Z, et al. Ablation damage characteristic and residual strength prediction of carbon fiber/epoxy composite suffered from lightning strike[J]. Composite Structures, 2014, 117(10): 222-233.
[4] 卢翔, 赵淼, 单泽众, 等. 复合材料雷击防护电热耦合模型[J]. 航空材料学报, 2019, 39(4): 49-58.
[5] 张彬, 陈晓宁, 黄立洋, 等. 雷击对碳纤维增强型航空复合材料损伤的影响[J]. 材料工程, 2016, 44(12): 92-99.
[6] 肖尧, 李曙林, 尹俊杰, 等. 含铜网复合材料雷电流直接效应实验研究[J]. 航空材料学报, 2018, 38(4): 109-114.
[7] 付尚琛, 石立华, 周颖慧, 等. 喷铝涂层碳纤维增强树脂基复合材料抗雷击性能实验及仿真[J]. 复合材料学报, 2018, 35(10): 2730-2744.
[8] WANG F, JI Y Y, YU X, et al. Ablation damage assessment of aircraft carbon fiber/epoxy composite and its protection structures suffered from lightning strike[J]. Composite Structures, 2016, 145(6): 226-241.
[9] HAN J, ZHANG H, CHEN M, et al. The combination of carbon nanotube buckypaper and insulating adhesive for lightning strike protection of the carbon fiber/epoxy laminates[J]. Carbon, 2015, 101-113.
[10] ZHANG J, ZHANG X, CHENG X, et al. Lightning strike damage on the composite laminates with carbon nanotube films: Protection effect and damage mechanism[J]. Composites Part B-Engineering, 2019, 168: 342-352.
[11] KUMAR V, SHARMA S, PATHAK A K, et al. Interleaved MWCNT buckypaper between CFRP laminates to improve through-thickness electrical conductivity and reducing lightning strike damage[J]. Composite Structures, 2019, 581-589.
[12] XIA Q S, MEI H, ZHANG Z C, et al. Fabrication of the silver modified carbon nanotube film/carbon fiber reinforced polymer composite for the lightning strike protection application[J]. Composites Part B-Engineering, 2020, 180: 107563.
[13] 王灏珉, 何茂帅, 张莹莹. 碳纳米管薄膜的制备及其在柔性电子器件中的应用[J]. 物理化学学报, 2019, 35(11): 1207-1223.
[14] Society of Automotive Engineers. Aircraft lightningenvironment and related test waveforms: SAE ARP 5412—2013[S]. Warrenda, Pennsylvania: Society of Automotive Engineers International, 2013.
[15] 付尚琛, 石立华, 周颖慧, 等. 碳纤维复合材料不同电导率涂层的雷击防护效果测试[J]. 中国舰船研究, 2018, 13(s1): 61-65.