Effects of coupling agent and filler dispersion on V-t characteristics of epoxy/silica nanocomposites

T. Iizuka*, Y. Ohki, T. Tanaka

*この研究の対応する著者

研究成果: Paper査読

27 被引用数 (Scopus)

抄録

Epoxy/silica nanocomposites were investigated to clarify the effects of coupling agents and the degree of filler dispersion as for treeing breakdown V-t characteristics and PD (partial discharge) resistance performances. In the former case, it was clarified that homogeneous dispersion is critical to obtain satisfactory V-t characteristics, and that the addition of silane coupling agent would help improve such characteristics further. In the latter case, on the other hand, the simple dispersion was sufficient to improve PD resistance, which is considered to be less sensitive to the degree of dispersion and the introduction of coupling agents. In order to help make such difference clear, observation was conducted on the state of nano filler dispersion and treed regions by SEM and TEM. Explanation was postulated on how nano fillers act on propagation of trees and progress of PD erosion.

本文言語English
ページ60-63
ページ数4
DOI
出版ステータスPublished - 2008 12 31
イベント2008 International Symposium on Electrical Insulating Materials, ISEIM 2008 - Yokkaichi, Japan
継続期間: 2008 9 72008 9 11

Conference

Conference2008 International Symposium on Electrical Insulating Materials, ISEIM 2008
国/地域Japan
CityYokkaichi
Period08/9/708/9/11

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 電子材料、光学材料、および磁性材料

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