Advanced lightweight lightning strike protection composites based on super-aligned carbon nanotube films and thermal-resistant zirconia fibers†

IF 4.6 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Nanoscale Advances Pub Date : 2024-07-23 DOI:10.1039/D4NA00392F

Mingquan Zhu, Peng Zhang, Feng Gao, Yunxiang Bai, Hui Zhang, Min Zu, Luqi Liu and Zhong Zhang

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Abstract

Carbon nanotube films have drawn attention in the past decade as promising substitutes for aluminum or copper used in aircraft lightning strike protection (LSP) systems. Throughout this study, advanced lightweight lightning strike protection (LSP) composites are based on highly conductive super-aligned carbon nanotube films (SA-CNTFs) and a new isolation layer of zirconia fiber paper. The internal damage level of the composite laminate was assessed using a microfocus X-ray system and non-destructive ultrasonic techniques. Results show that the composite laminate comprising SA-CNTFs (1000-layer) and zirconia fiber paper (1-layer) effectively shields CFRP from 100 kA lightning strikes. Furthermore, weight reductions of approximately 44.3% and 10.4% can be achieved, respectively, relative to the isolation layer of glass fibers and quartz fibers. Meanwhile, the lightning protection mechanism was further studied.

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基于超对齐碳纳米管薄膜和耐热氧化锆纤维的先进轻质雷击防护复合材料

碳纳米管薄膜作为飞机雷击防护（LSP）系统中使用的铝或铜的替代品，在过去十年中备受关注。在这项研究中，先进的轻质雷击防护（LSP）复合材料基于高导电性超对准碳纳米管薄膜（SA-CNTFs）和新型氧化锆纤维纸隔离层。使用微焦 X 射线系统和非破坏性超声波技术对复合材料层压板的内部损伤程度进行了评估。结果表明，由 SA-CNTF（1000 层）和氧化锆纤维纸（1 层）组成的复合材料层压板能有效保护 CFRP 免受 100 kA 雷击。此外，与玻璃纤维和石英纤维隔离层相比，重量分别减轻了约 44.3% 和 10.4%。同时，还进一步研究了雷电防护机制。

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