한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

방사선 조사에 따른 저밀도 폴리에틸렌의 유전특성에 관한 연구

A study on dielectric characteristics of gamma irradiated LDPE

  • 김기엽 (한국원자력연구소 방사선응용연구팀) ;
  • 이청 (충북대학교 전기공학과) ;
  • 임기조 (충북대학교 전기공학과) ;
  • 류부형 (동국대학교 안전공학과)
  • 발행 : 2000.07.01
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초록

In this paper, we evaluated the mechanical and dielectric properties of LDPE depend on $Co_{60}$${\gamma}$-irradiation doses. The chemical analyses for FT-IR, gel content, the mechanical properties for elongation at break and the dielectric parameters for permittivity, tan$\delta$ were discussed as a function of irradiation doses. Test result presented that elongation at break of irradiated LDPE was inversely proportional to gel content. For dielectric analyses, permittivity showed a salient characteristic for various irradiation doses, it was related to polar groups caused radiation degradation and tan$\delta$ of irradiated LDPE increased with irradiation doses.

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