A Modified General Effective Medium Formula for Calculating the Effective Dielectric Properties of Particle-filled Binary Composite Materials

被引：0
|
作者：
Zhong R. [1 ,2 ]
Zheng Q. [1 ,2 ]
Xiang T. [1 ]
Yao B. [2 ]
机构：
[1] School of Energy and Environmental Science, Yunnan Normal University, Kunming
[2] Key Laboratory of Photoelectric Information Technology of Yunnan Province, Yunnan Normal University, Kunming
来源：
Cailiao Daobao/Materials Review | 2018年 / 32卷 / 12期
关键词：
Effective dielectric properties; Modified general effective medium; Monte Carlo finite element method; Particle-filled binary composite materials;
D O I：
10.11896/j.issn.1005-023X.2018.24.009
中图分类号：
学科分类号：
摘要：
Dielectric property has been regarded as an important factor in the research of electromagnetic effect and in material design for composite materials. To break through the limitations of the traditional general effective medium (GEM) formula, a modified formula, i. e. modified general effective medium (MGEM) was presented in this study for the dielectric property prediction and calculation of particle-filled binary composite materials. We obtained the effective dielectric properties of the random particle-filled binary composite materials under various parameters by the simulation based on Monte Carlo finite element method (MC-FEM), and by the calculation based on the proposed MGEM formula, respectively. Moreover, we also conducted calculations based on some typical theoretical formulas and collected experimental data in some previously published works. It can be concluded that the prediction results of MGEM formula have complete coincidence with the simulated results of MC-FEM, and are essentially in agreement with the experimental results, within the dielectric constant range of 1/50-50 and the filling volume ratio range of 0-1. MGEM is expected to provide an accurate, reliable, and general-purpose theoretical method for predicting and calculating the effective dielectric pro-perties of particle-filled binary composite materials. © 2018, Materials Review Magazine. All right reserved.
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页码：4258 / 4263
页数：5
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