Numerical simulation of the effective permittivity of low-density polyethylene composite filled by carbon blackInspec keywordsOther keywords

被引:5
作者
Azizi, Sohrab [1 ]
David, Eric [1 ]
Frechette, Michel F. [1 ]
Ouellet-Plamondon, Claudiane M. [1 ]
机构
[1] Univ Quebec, Ecole Technol Super, 1100 Notre Dame St W, Montreal, PQ H3C 1K3, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
carbon; permittivity; filled polymers; electrical conductivity; numerical simulation; effective permittivity; low-density polyethylene composite; conductive carbon black; low-filler concentration; CB particles; adsorbed water; electric properties; COMSOL; C;
D O I
10.1049/iet-nde.2019.0017
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
The effective permittivity of low-density polyethylene with the conductive carbon black (CB) was modelled by COMSOL. The impact of CB content on the electric properties of the composites with different geometry of the inclusions was investigated. The modelling outcomes evidenced that the simulation was in good agreement with the experiment results at low-filler concentration. The effect of moisture on the effective permittivity of the composites was also investigated. A thin layer of adsorbed water on the surface of the CB particles was found to significantly increase the conductivity, which is in agreement with experimental results.
引用
收藏
页码:129 / 134
页数:6
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