一个由截断的球体和球形组成的颗粒复合材料的布雷格曼均化
Héctor M Iga-Buitrón1, Tom G Mackay1,2, Akhlesh Lakhtakia2,3
1School of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
概括
这项研究提出了一种新的方法,用于预测复合材料的性能,使用去极化二极体. 布鲁格曼同质化形式主义揭示了粒子形状如何影响物质异质性.
科学领域:
- 电磁学和材料科学 电磁学和材料科学
- 计算物理 计算物理
背景情况:
- 同质化形式对于预测复合材料特性至关重要.
- 像Maxwell Garnett这样的现有方法在未稀释复合材料方面存在局限性.
研究的目的:
- 开发封闭形式的表达式,用于截断的球体和球形的去极化二极体.
- 在布鲁格曼同质化形式主义中应用这些二度论.
- 为了预测同质化复合材料 (HCMs) 的相对电容度二代数.
主要方法:
- 对于截断的形状来说,去极化二度数的导出.
- 布鲁格曼同质化形式主义的实施.
- 对HCM异构的数值分析.
主要成果:
- 建立了去极化二极体的闭式表达式.
- 布鲁格曼形式主义成功地预测了HCM的电容度二度数.
- HCM异构性与构成粒子形状和体积分数直接相关.
结论:
- 布鲁格曼形式主义对非稀释复合材料的传统方法提供了优势.
- 粒子形状显著影响HCMs的异构性行为.
- 与球形形状的偏差增强了HCM异构性,特别是在中等范围的体积分数上.
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