Voltage endurance characteristics of epoxy/silica nanocomposites

Tomonori Iizuka, Katsumi Uchida, Toshikatsu Tanaka

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Two kinds of epoxy/silica nanocomposites, i.e. Aerosil and Nanopox specimens, were prepared to clarify the effect of nano-filler dispersion and of coupling agents on electric field endurance. According to SEM observation, nano-fillers were well dispersed in the former specimens, while some agglomeration was found in the latter specimens. This difference caused different characteristics for PD resistance and treeing resistance. PD resistance was improved only by adding nano-fillers, and treeing resistance was improved not only by adding nano-fillers but must by making nano-fillers uniformly dispersed. Coupling agents were also effective in treeing resistance in both kinds of specimens. It was then clarified that nano-fillers and coupling agents could improve PD and treeing resistance, but that treeing resistance could be upgraded or degraded depending on the level of nano-filler dispersion.

Original languageEnglish
JournalIEEJ Transactions on Fundamentals and Materials
Volume129
Issue number3
DOIs
Publication statusPublished - 2009

Fingerprint

Fillers
Nanocomposites
Durability
Silica
Electric potential
Coupling agents
Agglomeration
Electric fields
Scanning electron microscopy

Keywords

  • Epoxy / silica nanocomposite
  • Nano dispersion
  • Nanocomposite
  • Partial discharge
  • SEM observation
  • Treeing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Voltage endurance characteristics of epoxy/silica nanocomposites. / Iizuka, Tomonori; Uchida, Katsumi; Tanaka, Toshikatsu.

In: IEEJ Transactions on Fundamentals and Materials, Vol. 129, No. 3, 2009.

Research output: Contribution to journalArticle

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