Effects of crystallinity on the space charge properties of polyethylene

被引：6
|
作者：
Wang, NH
Zhou, YX [1 ]
Liu, HB
Gao, B
Liang, XD
Guan, ZC
Takada, T
机构：
[1] Tsing Hua Univ, Dept Elect Engn, State Key Lab Control & Simulat Power Syst & Gene, Beijing 100084, Peoples R China
[2] Musashi Inst Technol, Elect Measurement Lab, Tokyo 1588557, Japan
来源：
JOURNAL OF ELECTROSTATICS | 2005年 / 63卷 / 6-10期
基金：
中国国家自然科学基金;
关键词：
space charge; polyethylene; annealing; crystallinity;
D O I：
10.1016/j.elstat.2005.03.055
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：
In this paper, three kinds of annealing methods with different cooling rates are used to prepare low-density polyethylene (LDPE) samples with different microstructure in crystallinity. The effects of crystallinity on space charge properties are investigated. It was found that homo-charges are easier to accumulate in high rate cooling sample and hetero-charges are easier to accumulate near cathode in low rate cooling sample. It was also found that charge movement and neutralization occurs with the increases of the applied field and the voltage applying duration. Based on these results, the influence of crystallinity on space charge accumulation is emphasized. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：649 / 656
页数：8
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