Electrical breakdown of polypropylene filled with natural clay as nanomaterial

2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Pub Date : 2015-12-17 DOI:10.1109/CEIDP.2015.7351994

H. Hiziroglu, I. Shkolnik

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引用次数: 4

Abstract

This study presents the breakdown behavior of polypropylene filled with a various concentrations of nano-size natural clay. The concentrations of natural clay by weight were 0 %, 2 %and 6 % in polypropylene. For different concentrations of natural clay each specimen was subjected to a sinusoidal voltage waveform at power frequency with a certain ramp rate to a level where a breakdown occurred. The rms voltage at the breakdown was considered as the breakdown voltage of the sample. The mean dielectric strength improved about 3.5 % for the nanocomposite with 2 % of natural clay concentration in the host polypropylene. However, the improvement on the mean dielectric strength of the nanocomposite with 6 %concentration of natural clay appeared to be little more than 1 % when compared with 2 % concentration of natural clay in the host. This implies that there exits an optimum concentration of nanosize natural clay in polypropylene. Also observed was the increase of the dielectric strength of the materials with the increase of the ramp rate of the applied voltage.

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电击穿聚丙烯填充天然粘土作为纳米材料

本文研究了不同浓度的纳米级天然粘土填充聚丙烯的击穿行为。聚丙烯中天然粘土的质量浓度分别为0%、2%和6%。对于不同浓度的天然粘土，每个试样在工频下以一定的斜坡速率受到正弦电压波形，直至击穿发生。击穿时的均方根电压作为样品的击穿电压。当聚丙烯中天然粘土浓度为2%时，纳米复合材料的平均介电强度提高了约3.5%。然而，与基质中天然粘土浓度为2%相比，天然粘土浓度为6%时，纳米复合材料的平均介电强度的提高幅度略大于1%。这表明聚丙烯中存在纳米级天然粘土的最佳浓度。同时观察到材料的介电强度随外加电压斜坡率的增加而增加。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

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