Voltage endurance of epoxy resins with microcavity type defects

  title={Voltage endurance of epoxy resins with microcavity type defects},
  author={Thomas W. Dakin and S. A. Studniarz},
  journal={1976 IEEE International Conference on Electrical Insulation},
This paper presents a progress report on a continuing investigation into the voltage endurance of cast and molded resins, particularly cast epoxy resins. The relation of gas cavity size to the observable discharge magnitude and the stress level on the resin at which discharges can be expected to occur within internal cavities is estimated. This illustrates that, with small cavities, the discharge picocoulomb magnitudes can be well below the usual present limits of detection. Experiments with… CONTINUE READING


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