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.
초록· 키워드
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A conventional epoxy-microsilica composite (EMC) and an epoxy-microsilica-nanosilicate composite (EMNC) were prepared in order to apply them to mold-type transformers, current transformers (CT) and potential transformers (PT). Nanosilicate was exfoliated in a epoxy resin using our electric field dispersion process and AC insulation breakdown strength at 30∼150℃, glass transition temperature and viscoelasticity were studied. AC insulation breakdown strength of EMNC was higher than that of EMC and that value of EMNC was far higher at high temperature. Glass transition temperature and viscoelasticity property of EMNC was higher than those of EMC at high temperature. These results was due to the even dispersion of nanosilicates among the nanosilicas, which could be observed using transmission electron microscopy (TEM). That is, the nanosilicates interrupt the electron transfer and restrict the mobility of the epoxy chains.
목차
Abstract
1. 서론
2. 본론
3. 결론
References
참고문헌 (16)
참고문헌 신청
1. [학술지(정기간행물)] - T. Imai / 2006 / Approach by Nano-and Micro-filler Mixture toward Epoxy-based Nanocomposites as Industrial Insulating Materials / IEEJ Trans. Fund. Mater 126 (11) : 1136 ~ 1143
2. [학술지(정기간행물)] - Y. S. Cho / 2000 / Characteristics of polymer insulator materials : Voltage–lifetime characteristics of DGEBA/MDA/SN system / Materials Chemistry and Physics 66 : 70 ~ 76
3. [학술지(정기간행물)] - R. Sarathi / 2007 / Understanding the thermal, mechanical and electrical properties of epoxy nanocomposites / Materials Science and Engineering A 445 : 567 ~ 578
4. [학술지(정기간행물)] - N. Hayakawa / 2000 / Partial discharge inception characteristics of LN2/epoxy composite insulation system under thermal bubble condition / Cryogenics 40 : 167 ~ 171
5. [학술지(정기간행물)] - T. Imai / 2006 / Effects of Nano-and Micro-filler Mixture on Electrical Insulation Properties of Epoxy Based Composites / IEEE Transactions on Dielectrics and Electrical Insulation 13 (1)
2. [학술지(정기간행물)] - Y. S. Cho / 2000 / Characteristics of polymer insulator materials : Voltage–lifetime characteristics of DGEBA/MDA/SN system / Materials Chemistry and Physics 66 : 70 ~ 76
3. [학술지(정기간행물)] - R. Sarathi / 2007 / Understanding the thermal, mechanical and electrical properties of epoxy nanocomposites / Materials Science and Engineering A 445 : 567 ~ 578
4. [학술지(정기간행물)] - N. Hayakawa / 2000 / Partial discharge inception characteristics of LN2/epoxy composite insulation system under thermal bubble condition / Cryogenics 40 : 167 ~ 171
5. [학술지(정기간행물)] - T. Imai / 2006 / Effects of Nano-and Micro-filler Mixture on Electrical Insulation Properties of Epoxy Based Composites / IEEE Transactions on Dielectrics and Electrical Insulation 13 (1)
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UCI(KEPA) : I410-ECN-0101-2014-500-003651616