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NANOCOMPOSITES FOR AIRCRAFT APPLICATIONS

机译：飞机应用的纳米复合材料

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摘要

The steady increase in jet fuel prices in recent years has accelerated the quest for greater economy in airline operations. While improvements in aerodynamic efficiency, engine fuel efficiency, etc., have been sought, lighter and stronger materials for aircraft structural components remain a very important goal. The percentage of advanced composites, utilizing carbon fibers, in modern aircraft has reached 50 percent. The trend now is to use nano reinforcements such as graphene and carbon nanotubes to further reduce the structural weight. Due to the difficulties in fabricating nanocomposites with a high enough volume fraction of nano reinforcement, the nano reinforcements are either added to the polymer matrix or grown on the carbon fibers. The nano reinforcements are multi-functional; thus, in addition to contributing strength, they contribute to other properties such as electrical conductivity which in turn enhances the lightning strike protection, electrostatic discharge, electromagnetic shielding, etc. This paper summarizes these aspects and also describes the applications of nanocomposites in aircraft interiors, brake components, aircraft repair, etc.
机译：近年来，航空燃油价格的稳定上涨加快了对航空公司运营更大经济性的追求。尽管已经寻求改善空气动力效率，发动机燃料效率等，但是用于飞机结构部件的更轻和更坚固的材料仍然是非常重要的目标。在现代飞机中，利用碳纤维的先进复合材料的百分比已达到50％。现在的趋势是使用纳米增强材料，例如石墨烯和碳纳米管，以进一步减少结构重量。由于难以制造具有足够高体积分数的纳米增强材料的纳米复合材料，因此将纳米增强材料添加到聚合物基质中或在碳纤维上生长。纳米增强材料是多功能的；因此，除了有助于提高强度外，它们还有助于提高导电性等其他性能，进而增强雷击防护，静电放电，电磁屏蔽等。本文概述了这些方面，并描述了纳米复合材料在飞机内部的应用，刹车部件，飞机维修等

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