微、纳米无机颗粒/环氧树脂复合材料击穿强度性能

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摘要为研究微、纳米无机颗粒对环氧树脂击穿强度的影响，制备出了不同含量微、纳米氧化铝，纳米氧化硅/环氧树脂复合材料。通过采用球球电极对试样进行了交流击穿实验，通过实验发现适量的纳米氧化铝颗粒的添加增强了环氧树脂的击穿强度，而微米氧化铝颗粒降低了环氧树脂的击穿强度。通过比较亲水性和疏水性纳米氧化硅颗粒对环氧树脂击穿强度的影响发现，随着亲水性纳米氧化硅颗粒含量的增加，纳米复合材料击穿强度随含量增加而增大，而相同含量的疏水性纳米氧化硅/环氧树脂复合材料的击穿强度低于纯环氧树脂。

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	王旗
	李喆
	尹毅

关键词 ：纳米氧化铝, 微米氧化铝, 纳米氧化硅, 击穿强度, 环氧树脂

Abstract：Epoxy resin containing nano-size,micro-size Al₂O₃ and nano-size SiO₂ of various contents are prepared. The purpose of efforts we engaged in is to study the efforts of nano alumina,micro alumina,nano-micro alumina and nano silica on the breakdown strength of epoxy resin. Sphere-to-sphere electrode is chosen to do the AC breakdown experiment and observe that appropriate amount of nano alumina enhances the electrical characteristics of epoxy resin on breakdown strength while micro alumina lowers the breakdown strength of epoxy resin. With the increasing amount of hydrophilic nano silica,the breakdown strength of nano epoxy composite increases while the same amount of R series of hydrophobic nano silica lowers it.

Key words： Nano alumina micro alumina nano silica breakdown strength epoxy resin

收稿日期: 2013-05-16 出版日期: 2015-01-22

PACS:

TM206

作者简介: 王旗男，1988年生，硕士研究生，研究方向为纳米和微米无机颗粒对环氧树脂绝缘材料性能的影响。李喆（通信作者）男，1978年生，博士，副教授，研究方向为纳米聚合物介电性能和绝缘材料。

引用本文:

王旗，李喆，尹毅. 微、纳米无机颗粒/环氧树脂复合材料击穿强度性能[J]. 电工技术学报, 2014, 29(12): 230-235. Wang Qi,Li Zhe,Yin Yi. The Effect of Micro and Nano Inorganic Filler on the Breakdown Strength of Epoxy Resin. Transactions of China Electrotechnical Society, 2014, 29(12): 230-235.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I12/230

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