シリカ充填剤の粒径がエポキシ樹脂中の電気トリーイング特性に与える影響

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2018/05/01

タイトル(英語): Electrical Treeing Characteristic Influenced by Particle Size of Silica Filler in the Epoxy Resin

著者名: 山田　大智（豊橋技術科学大学），一色　大地（豊橋技術科学大学），川島　朋裕（豊橋技術科学大学），穂積　直裕（豊橋技術科学大学），村上　義信（豊橋技術科学大学）

著者名(英語): Daichi Yamada (Toyohashi University of Technology), Daichi Isshiki (Toyohashi University of Technology), Tomohiro Kawashima (Toyohashi University of Technology), Naohiro Hozumi (Toyohashi University of Technology), Yoshinobu Murakami (Toyohashi University

キーワード: エポキシ樹脂，シリカ充填剤，コンポジット，電気トリー，粒径　　epoxy resin，silica filler，composite，electrical treeing，particle size

要約(英語): Polymeric insulating materials such as epoxy resin are commonly used to electric power equipment. And additives and fillers are traditionally used to improve the mechanical, thermal properties, and sometimes electrical properties. To understand electric treeing properties, the time to breakdown is measured using a CCD camera. The average tree propagation speed in the sample with silica filler of 80 μm in size decreased with the increase of the filler occupancy ratio. On the other hand, the average tree propagation speed in the sample with silica filler of 48 μm in size increased with the increase of the filler occupancy ratio. It was considered that the increase in the effective length between electrodes and the field relaxation of tree tip were caused by the bigger filler size in the sample with silica filler of 80 μm in size. In the case of the sample with silica filler of 48 μm in size, it was considered that the tree propagation effect at the interface between the filler and epoxy which brought to faster tree propagation speed became dominant.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.138 No.5 （2018） 特集：イノベーションを創出する最新の計測技術2017

本誌掲載ページ: 252-257 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/138/5/138_252/_article/-char/ja/