지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제14권 제5호
- 발행연도
- 2013.1
- 수록면
- 278 - 281 (4page)
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초록· 키워드
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The effects of electric field frequency on the AC electrical treeing phenomena in an epoxy/layered silicate (1.5wt%) were investigated in a needle-plate electrode arrangement. A layered silicate was exfoliated in an epoxy-base resin with AC electric field apparatus. To measure the treeing initiation and propagation- and the breakdown rate,a constant alternating current (AC) of 10 kV with three different electric field frequencies (60, 500, and 1,000 Hz)was applied to the specimen in the needle-plate electrode specimen in an insulating oil bath at130℃. At 60 Hz, the treeing initiation time was 12 min, the propagation rate was 0.24 × 10-3 mm/min, and the morphology was a dense branch type. As the electric field frequency increased, the treeing initiation time decreased and the propagation rate increased. At 1,000 Hz, the treeing initiation time was 5 min, the propagation rate was 0.30 × 10-3 mm/min, and the morphology was a dense bush type.
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