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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Enhancement of the surface electrical conductivity of thermoplastic composite matrices
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Enhancement of the surface electrical conductivity of thermoplastic composite matrices

机译：增强热塑性复合材料基体的表面电导率

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摘要

Enhancement of the surface electrical conductivity is desirable in a number of applications where composite structures are exposed to environments with high electrical activity. A high surface conductivity is desirable on aircraft that can be subject to lightning strikes or in manufacturing environments where static build up can produce safety issues. This article considers the addition of various conducting fillers to a thermoplastic to enhance the conductivity of the polymer matrix. The thermoplastic is one which is conventionally used to toughen epoxy resin composites. It was found that enhancement of the resin matrix depends on the filler, method of processing and subsequent thermal treatment. Conducting data are presented on the blends containing carbon nanotubes, nanographite and carbon black in various proportions and doped and undoped with additional conducting salts. The latter have been added to the resin so as to enhance conduction between the filler particles. While the levels of conductivity are significantly lower than those observed with a pure metal skin, values are achieved, which would allow discharge of electricity within relatively short periods of time.
机译：在复合结构暴露于具有高电活性的环境的许多应用中，需要提高表面电导率。在可能遭受雷击的飞机上或在静电积聚会产生安全问题的制造环境中，需要高表面传导性。本文考虑将各种导电填料添加到热塑性塑料中，以增强聚合物基体的导电性。热塑性塑料是传统上用于增韧环氧树脂复合材料的一种。发现树脂基质的增强取决于填料，加工方法和随后的热处理。导电数据以各种比例包含碳纳米管，纳米石墨和炭黑的掺合物给出，并掺入和未掺入其他导电盐。后者已被添加到树脂中以增强填料颗粒之间的传导。尽管电导率水平明显低于使用纯金属蒙皮观察到的电导率水平，但仍可达到一定的值，这将允许在相对较短的时间内放电。

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