[1]刘树美,敖明,李忠华. 温度和机械应力对GF /EP 介电强度的影响[J].哈尔滨理工大学学报,2018,(01):87-92.[doi:10. 15938 /j. jhust. 2018. 01. 016]
 LIU Shu-mei,AO Ming,LI Zhong-hua. Effects of Temperature and Mechanical Stresses on the DielectricBreakdown Strength of GF /EP Composites[J].哈尔滨理工大学学报,2018,(01):87-92.[doi:10. 15938 /j. jhust. 2018. 01. 016]
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 温度和机械应力对GF /EP 介电强度的影响()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2018年01期
页码:
87-92
栏目:
材料科学与工程
出版日期:
2018-02-25

文章信息/Info

Title:
 Effects of Temperature and Mechanical Stresses on the Dielectric
Breakdown Strength of GF /EP Composites
文章编号:
1007- 2683( 2018) 01- 0087- 06
作者:
 刘树美1 敖明2 李忠华1
 ( 1. 哈尔滨理工大学电气与电子工程学院工程电介质及其应用技术教育部重点实验室,黑龙江哈尔滨150080;
2. 吉林省电力科学研究院,吉林长春130021)
Author(s):
 LIU Shu-mei1 AO Ming2 LI Zhong-hua1
 ( 1. Key Laboratory of Engineering Dielectric and Its Application,School of Electrical and Electronic Engineering,Harbin University
of Science and Technology,Harbin 150080,China; 2. Jilin Electric Power Research Institute,Changchun 130021,China)
关键词:
 GF /EP 复合材料 温度 机械应力 介电强度
Keywords:
Glass Fiber / Epoxy composites temperature mechanical stress dielectric strength
分类号:
TM85
DOI:
10. 15938 /j. jhust. 2018. 01. 016
文献标志码:
A
摘要:
 : 为了研究温度和机械应力对玻璃纤维/环氧树脂( Glass Fiber /Epoxy,GF /EP) 复合材
料介电强度的影响,分别在不同温度、不同应力大小和不同应力作用形式下对GF /EP 复合材料进
行了工频击穿试验,并依据电介质的击穿理论分析了温度和机械应力对其介电强度的影响规律。
试验结果表明: 在环境温度一定的情况下,GF /EP 复合材料的击穿强度随拉应力的增大而减小; 在
弯曲正应力增大的初始阶段击穿强度有所上升,而后呈下降趋势; 在确定的机械应力下,GF /EP 复
合材料低温和高温的介电强度都比室温下有所提高。研究结果为GF /EP 复合材料在工程实际应
用中提供了重要的实验基础。
Abstract:
 To research the effects of temperature and mechanical stresses on the dielectric breakdown strength
( DBS) of Glass Fiber /Epoxy ( GF /EP) composites,the AC breakdown test has been carried out on the GF /EP
composites under different temperatures、different stress magnitude and different style of the stresses,the effects of
temperature and mechanical stresses on the dielectric strength have been analyzed according to the dielectric
breakdown theory. The results show that: the dielectric strength of GF /EP composites decrease with increasing
tensile stress under certain temperature; the dielectric strength increase at first with increasing bending stress,
reach a maximum and indicate a decreasing tendency thereafter; compared to room temperature,the dielectric
strength of GF /EP composites have been increased in different level under certain stress. The results provide
important experimental basis for GF /EP composites in the practical application.

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更新日期/Last Update: 2018-05-05