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  1. B200 工学部/工学研究科
  2. B200b 紀要
  3. Memoirs of the Faculty of Engineering, Nagoya University
  4. 38(2)

Effects of polymer-polymer interfaces on electrical properties of insulationg composites

https://doi.org/10.18999/memfenu.38.2.137
https://doi.org/10.18999/memfenu.38.2.137
d3c3d726-513c-4710-9cb5-2d4f2d42728f
名前 / ファイル ライセンス アクション
38-2-01.pdf 38-2-01.pdf (4.9 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-11-04
タイトル
タイトル Effects of polymer-polymer interfaces on electrical properties of insulationg composites
言語 en
著者 Ieda, Masayuki

× Ieda, Masayuki

WEKO 102048

en Ieda, Masayuki

Search repository
Cai, Guo-xiong

× Cai, Guo-xiong

WEKO 102049

en Cai, Guo-xiong

Search repository
Suzuoki, Yasuo

× Suzuoki, Yasuo

WEKO 102050

en Suzuoki, Yasuo

Search repository
Mizutani, Teruyoshi

× Mizutani, Teruyoshi

WEKO 102051

en Mizutani, Teruyoshi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 As most of Practical insulation systems are composed of several insulating materials, semiconductors and conductors, interfacial phenomena are considered to play an important role. In order to clarify the effects of interface, thermally stimulated current (TSC), conduction current and dielectric breakdown measurements were carried out on the composite of EVA (ethylene-vinyl acetate copolymer) and PE (polyethylene) and also on other combination of polymer materials. The TSC and conduction current in EVA-PE showed remarkable dependence on the polarity of the applied voltage, which cannot be explained by the simple Maxwell- Wagner model. This is explained as follows. Positive carriers are easily injected into EVA from the Au anode. Some of them are trapped at the EVA-PE interface and give rise to a new interfacial TSC peak. Most of the positive carriers can pass through the interface and move in the PE layer, increasing the conduction current in PE by about two orders of magnitude. The conduction current measurements also revealed that the existence of some polar groups at the metal-PE interface enhances carrier injection into PE. Methods were proposed for analyzing the internal fields in the composite system to which the simple Maxwell-Wagner model could not be applied. The internal field under very high field near dielectric breakdown strength was estimated from the breakdown strength of the composite. The internal field under lower fields was estimated by the separation method developed here. It was revealed that the ratio of internal fields of PE and EVA layers dependes on the polarity, field and temperature. The latter method also clarified that the positive carriers trapped at the EVA-PE interface were located on the EVA side. Other combinations of polymers also showed the same polarity dependence as EVA-PE, suggesting that EVA-PE was not an exceptional case but that similar phenomena also took place in practical insulating composites.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Faculty of Engineering, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/memfenu.38.2.137
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0027-7657
書誌情報 en : Memoirs of the Faculty of Engineering, Nagoya University

巻 38, 号 2, p. 137-182, 発行日 1987-03-31
著者版フラグ
値 publisher
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