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Comparison of ATH and SiO2 fillers filled silicone rubber composites for HTV insulators
Xue, Yang1,2; Li, Xiao-fei1,2; Zhang, Dong-hai1; Wang, Hao-sheng1; Chen, Yun1,2; Chen, Yun-fa1
2018-02-08
发表期刊COMPOSITES SCIENCE AND TECHNOLOGY
ISSN0266-3538
卷号155页码:137-143
摘要To enhance the electrical and mechanical properties of silicone rubber (SIR) in the field of high-voltage insulation, conventional fillers such as aluminum hydroxide (ATH), fumed silica and precipitated silica have been used for many years. In this work, SIR composites filled with ATH, irregular SiO2 (IS) and sphere SiO2 (SS) were prepared by mechanical blending, and the effects of filler type and filler shape on mechanical, electrical and thermal properties of SIR composites were systematically investigated. Compared with ATH-SIR composites, SS-SIR composite exhibited better electrical and mechanical properties. It showed that the tensile strength of SS-SIR composites was up to 6.6 MPa, which was nearly 2-folded compared to ATH-SIR composite. According to the loss tangent results in combination with tensile fracture surface observation, the interfacial interaction between SiO2 fillers and SIR is stronger than that between ATH and SIR, and the dispersion is better in SiO2 fillers filled SIR composites than that in ATH filled composite. The breakdown strength of ATH-SIR composite is only 18.9 kV mm(-1), while those of IS-SIR and SS-SIR composites are 24.9 and 24.8 kV mm(-1), respectively. Among the three SIR composites, SS-SIR composite has lowest dielectric permittivity and dielectric loss. Compared with ATH-SIR composite, the SiO2 fillers filled SIR composites have the lower thermal conductivity ranging from 30 degrees C to 150 degrees C, but they exhibit the better arc aging resistance due to the good thermal stability and thermal conducting property at high temperature. Moreover, the SS-SIR composite exhibits the better arc aging resistance than IS-SIR composite. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Sphere Sio2 Ath Sir Electrical Properties Mechanical Properties
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.compscitech.2017.12.006
收录类别SCI
语种英语
关键词[WOS]THERMAL-CONDUCTIVITY ; OUTDOOR INSULATION ; EROSION RESISTANCE ; BREAKDOWN STRENGTH ; BORON-NITRIDE ; HYDROPHOBICITY ; NANOCOMPOSITES ; RECOVERY ; VOLTAGE ; FLASHOVER
WOS研究方向Materials Science
WOS类目Materials Science, Composites
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences(XDA09030202)
WOS记录号WOS:000424186800016
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24051
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Xue, Yang,Li, Xiao-fei,Zhang, Dong-hai,et al. Comparison of ATH and SiO2 fillers filled silicone rubber composites for HTV insulators[J]. COMPOSITES SCIENCE AND TECHNOLOGY,2018,155:137-143.
APA Xue, Yang,Li, Xiao-fei,Zhang, Dong-hai,Wang, Hao-sheng,Chen, Yun,&Chen, Yun-fa.(2018).Comparison of ATH and SiO2 fillers filled silicone rubber composites for HTV insulators.COMPOSITES SCIENCE AND TECHNOLOGY,155,137-143.
MLA Xue, Yang,et al."Comparison of ATH and SiO2 fillers filled silicone rubber composites for HTV insulators".COMPOSITES SCIENCE AND TECHNOLOGY 155(2018):137-143.
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