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首页> 外文会议>SAMPE Tech Conference and Exhibition >DEVELOPMENT OF HIGHLY CONDUCTIVE POLYMERIC NANOCOMPOSITE FILMS ON THE SURFACES OF COMPOSITES AGAINST LIGHTNING STRIKES
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DEVELOPMENT OF HIGHLY CONDUCTIVE POLYMERIC NANOCOMPOSITE FILMS ON THE SURFACES OF COMPOSITES AGAINST LIGHTNING STRIKES

机译：雷击雷击复合材料表面上高导电聚合物纳米复合膜的研制

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摘要

The most of the early airplane skins were made primarily of aluminum alloy sheets that are very good conductors of electricity. If a lightning strikes on Al surface, the current of lightning easily flows from the point of impact, and is evenly distributed throughout the surface without interruption or diversion to the interior of the aircraft. Recently, composite aircrafts have been built to increase the fuel efficiency and strength of the military and commercial aircrafts, and reduce the overall weight and corrosion. However, composite aircraft face the lightning strike problems because of the fact that the composite materials are either not conductive (e.g., fiberglass and Kevlar) or are significantly less conductive (e.g., carbon fiber) especially when they are embedded into a polymeric matrix. Thus, the lack of conductivity causes the failure when the lightning strike happens. For this reason, lightning strike protection has been vitally important for the new generation of composite aircrafts. Graphene and indium tin oxide (ITO) nanoflakes are excellent materials in terms of electrical conductivity and electromagnetic field shielding property. This paper states the current lightning strike protection techniques and provides some experimental evidence of graphene and ITO based nanocomposite coatings on the carbon fiber reinforced composites. This approach may overcome the problem of lightning strike on the composite aircrafts.
机译：最早期的飞机皮肤主要是由铝合金板制成的，这是非常好的电力导体。如果在Al表面上闪烁，则闪电的电流容易从冲击点流动，并且在整个表面上均匀地分布而不会中断或转移到飞机的内部。最近，建立了复合飞机，以提高军事和商用飞机的燃油效率和强度，并降低整体重量和腐蚀。然而，复合飞机面临着雷击问题，因为复合材料不导电（例如，玻璃纤维和Kevlar），或者特别少，特别是当它们嵌入聚合物基质中时的导电（例如，碳纤维）。因此，当雷击发生时缺乏导致失败。因此，雷击保护对新一代的复合飞机来说至关重要。石墨烯和氧化铟锡（ITO）纳米蛋白是在电导率和电磁场屏蔽性方面的优异材料。本文规定了当前的雷击防护技术，并提供了碳纤维增强复合材料上的石墨烯和ITO基纳米复合涂层的一些实验证据。这种方法可以克服复合飞机上的雷击问题。

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