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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
Source PublicationCOMPOSITES SCIENCE AND TECHNOLOGY
ISSN0266-3538
Volume155Pages:137-143
AbstractTo 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.
KeywordSphere Sio2 Ath Sir Electrical Properties Mechanical Properties
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.compscitech.2017.12.006
Indexed BySCI
Language英语
WOS KeywordTHERMAL-CONDUCTIVITY ; OUTDOOR INSULATION ; EROSION RESISTANCE ; BREAKDOWN STRENGTH ; BORON-NITRIDE ; HYDROPHOBICITY ; NANOCOMPOSITES ; RECOVERY ; VOLTAGE ; FLASHOVER
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Composites
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences(XDA09030202)
WOS IDWOS:000424186800016
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24051
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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