Effect Of Interphase Permittivity On The Electric Field Distribution Of Epoxy Nanocomposites

被引：4
|
作者：
Pradeep, Lavanya [1 ]
Nelson, Avinash [1 ]
Preetha, P. [2 ]
机构：
[1] NIT Calicut, High Voltage Engn, Kozhikode, India
[2] NIT Calicut, EED, Kozhikode, India
来源：
INTERNATIONAL CONFERENCE ON INVENTIVE RESEARCH IN MATERIAL SCIENCE AND TECHNOLOGY (ICIRMCT 2018) | 2018年 / 1966卷
关键词：
INTERFACES;
D O I：
10.1063/1.5038685
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Epoxy plays a vital role in high voltage insulation system due to its superior electrical and thermal properties. Literature reports the enhancement in these properties by the addition of nanofillers to epoxy and this enhancement is attributed to the effect of interphase. Characterization of polymer nanocomposites proves the importance of interphase formed between the polymer and nanoparticle in the composite. It was observed that the permittivity of the interphase is having a significant effect on the properties of these materials. In this work, a three dimensional Epoxy nanocomposite with 0.5 vol%, 1 vol% of alumina particles are modeled using unit cell approach in COMSOL Multiphysics. Simulation is done using several existing interphase permittivity models and field distribution is observed. Results shows the noticeable influence of interphase permittivity on the electric field distribution. A good correlation of electric field distribution with the AC breakdown strength is observed.
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页数：6
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