Electrical Treeing Breakdown Voltage of Epoxy/Hollow-silica Nanocomposites

被引：0
|
作者：
Shimura, Mirai [1 ]
Kurimoto, Muneaki [1 ]
Sugimoto, Shigeyuki [1 ]
Kato, Takeyoshi [1 ]
Tagawa, Kazuma [1 ]
Suzuoki, Yasuo [2 ]
机构：
[1] Nagoya Univ, Furo Cho,Chikusa Ku, Nagoya 4648603, Japan
[2] Aichi Inst Technol, Yakusa Cho, Toyota 4700392, Japan
来源：
2021 96TH IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP 2021) / 16TH IEEE NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (IEEE NMDC 2021) | 2021年
关键词：
FUNCTIONALLY GRADED MATERIAL; PERMITTIVITY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The relative permittivity of epoxy nanocomposites (NCs) containing hollow silica nanoparticles (epoxy/hollow-silica NC) is lower than that of the unfilled epoxy resin. The low permittivity in hollow silica nanoparticles is caused by the nanometric pores present in them; however, the effect of nanometric pores on the dielectric breakdown strength is unclear. In this study, we investigated the electrical treeing breakdown voltage (BDV) of epoxy/hollow-silica NC and compared it with that of the unfilled epoxy resin and epoxy nanocomposites containing solid silica nanoparticles (epoxy/solidsilica NC). The average size and the particle porosity of the hollow silica nanoparticles were approximately 100 nm and 48 vol%, respectively. The filler volume fraction of the silica nanoparticles in the NCs was 5 wt %. The breakdown test was performed using a needle-plate electrode with a gap of 3 mm. The average BDV of the epoxy/hollow-silica NC was almost the same as that of the unfilled epoxy resin and epoxy/solid-silica NC. These results suggest that the nanometric pores in the epoxy/ hollow-silica NC did not behave as defects to reduce the treeing BDV.
引用
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页码：490 / 493
页数：4
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