Measurement of residual space charge distribution in gamma-irradiated polyethylene

M. Kojima*, Y. Tanaka, T. Takada, Y. Ohki

*この研究の対応する著者

研究成果: Paper査読

5 被引用数 (Scopus)

抄録

The present paper discusses the residual space charge distribution in gamma-irradiated polyethylene formed with dc voltage, which was measured using the pulsed electroacoustic (PEA) method. The PEA method is one of advanced non-destructive techniques to measure the space charge distribution with a high sensitivity and reproducibility. From the experimental result, it became clear that a large amount of positive charges existing near the cathode in gamma-irradiated polyethylene enhance the electric field at the cathode interface. Under short circuit condition, the strength of this electric field by the space charge is sometimes more than two times of the applied field. On the other hand, almost no space charge was observed in the non-irradiated sample.

本文言語English
ページ479-482
ページ数4
出版ステータスPublished - 1994 12 1
外部発表はい
イベントProceedings of the 1994 IEEE 4th International Conference on Properties and Applications of Dielectric Materials. Part 2 (of 2) - Brisbane, Aust
継続期間: 1994 7 31994 7 8

Other

OtherProceedings of the 1994 IEEE 4th International Conference on Properties and Applications of Dielectric Materials. Part 2 (of 2)
CityBrisbane, Aust
Period94/7/394/7/8

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 材料化学

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