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Study on corona-resistance of polyimide-nano inorganic composites

  • Peihong Zhang
  • , Weiguo Zhang
  • , Yan Liu
  • , Yong Fan
  • , Qingquan Lei
  • Harbin University of Science and Technology

科研成果: 会议稿件 › 论文 › 同行评审

26 引用 (Scopus)

摘要

A testing apparatus for voltage endurance of film materials subjected to partial discharges on its surface was developed according to IEC-343 and ASTM-2275. It consists of electrode unit, power supply unit and control unit, and has the function of testing simultaneously six group samples. The single chip computer is used to time and to switch off the circuit in which the sample is breakdown. The EEPROM is used to record the results. The corona-resistance of polyimide film before and after compound with nano-inorganic oxide is tested and the influence of the component and content on corona-resistance of material is researched. The Cp-ω and tg δ-ω of samples both before and after corona aging are first studied by HP 4294A and the surface morphology characterized by AFM.

源语言英语
页1138-1141
页数4
出版状态已出版 - 2003
已对外发布是
活动Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials - Nagoya, 日本
期限: 1 6月 2003 → 5 6月 2003

会议

会议Proceedings of the 7th International Conference on Properties and Applications of Dielectric Materials
国家/地区日本
市Nagoya
时期1/06/03 → 5/06/03

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