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Influence of Corona Aging on the Nonlinear Conductivity of Epoxy/SiC Nonlinear Composites
ID：581 View Protection：ATTENDEE Updated Time：2022-09-19 17:03:35 Hits：380 Poster Presentation

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Abstract
制备了SiC/环氧树脂微复合材料，并在交流电压下对复合材料进行电晕老化，研究了不同电晕老化时间对复合材料电性能的影响。FTIR光谱表明复合材料的降解主要是由醚键断裂引起的。介电光谱表明电晕老化导致相对介电常数和损耗角正切降低。直流电导率测量表明，老化导致电流密度增加，非线性电导特性增强。击穿强度的威布尔分布表明，随着老化时间的增加，击穿强度的尺度参数先增大后减小。
Keywords
corona ageing;silicon carbide;nonlinear resistive field grading material;nonlinear condcutivity
Speaker
Zi Wang
Harbin University of Science and Technology

Submission Author
Yongsen Han 哈尔滨理工大学
Zi Wang 哈尔滨理工大学
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