Effect of γ-ray irradiation on thermally stimulated current in polyethersulfone

Eunjoo Kim, Gaku Kato, Toshinao Takeda, Yoshimichi Ohki

Research output: Contribution to conferencePaper

Abstract

The role of gamma-ray irradiation on the electrical characteristics of polyethersulfone (PES) is studied via thermally stimulated current (TSC) measurements. The PES film used has a thickness of 125μm. A picoammeter measures the d.c. conduction current. TSC is measured under short-circuited condition for which the samples are poled at a certain poling temperature and period. Gamma-ray irradiation is conducted in air at room temperature with a dose rate of about 30Gy/h to a total dose of 30kGy. The results show that, when PES is irradiated by gamma-rays, d.c. conduction current and TSC decrease. The reason is that the progress of crosslinking induced by the irradiation hinders the transport of ions.

Original languageEnglish
Pages375-378
Number of pages4
Publication statusPublished - 1995 Dec 1
EventProceedings of the 1995 International Symposium on Electrical Insulating Materials - Tokyo, Jpn
Duration: 1995 Sep 171995 Sep 20

Other

OtherProceedings of the 1995 International Symposium on Electrical Insulating Materials
CityTokyo, Jpn
Period95/9/1795/9/20

ASJC Scopus subject areas

  • Engineering(all)

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    Kim, E., Kato, G., Takeda, T., & Ohki, Y. (1995). Effect of γ-ray irradiation on thermally stimulated current in polyethersulfone. 375-378. Paper presented at Proceedings of the 1995 International Symposium on Electrical Insulating Materials, Tokyo, Jpn, .