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修改后的麦克拉克兰模型和3D有限元素电导率方法的相间调查

Muhammad Zulkarnain¹, Irianto Harny², A A M Damanhuri¹

¹Faculty of Mechanical Technology and Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Durian Tunggal, Melaka, 76100, Malaysia.

|January 27, 2025

概括

这项研究模拟了Ag/环氧复合材料的导电性,发现了相间特性和粒子间距的关键性. 一个3D有限元素模型准确地预测导电性,超过了修改后的麦克拉克兰理论.

科学领域:

材料科学材料科学材料科学
电气工程电气工程
聚合物科学聚合物科学

背景情况:

了解复合材料的电导率对于先进的应用至关重要.
相间区域显著影响复合材料的整体电特性.
现有的模型往往需要改进,以准确捕捉复杂的相间现象.

研究的目的:

为了探索Ag/环氧复合材料的电导率间相.
开发和验证复合材料导电性的预测模型.
研究各种参数对电导率的影响.

主要方法:

使用了经过修改的麦克拉克兰理论和3D有限元素复合模型.
进行实验验证以验证模型.
分析了粒子含量,电性质和相间特征的影响.

主要成果:

3D有限元模型与实验数据有很好的一致性.
透值在6体积%的填充剂加载时被观察到.
微型粒子的电导率为3.84 × 10−1 S/cm,纳米粒子的电导率为1.32 × 10−2 S/cm.
道距离,表面能量,相间厚度和波动性被确定为关键影响因素.

结论:

3D有限元模型提供了高度准确的Ag/环氧复合材料导电性的预测.
相间特性和粒子形态学极大地影响电导率.
经过修改的麦克拉克兰模型需要进行调整,以提高与3D FEM相比的精度.

关键词:

导电性导电性导电性导电性阶段间阶段之间的.建模建模模型是什么通过透的透.挖掘道是为了挖掘道.

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