预测具有复杂形态的石墨烯复合材料模块的MT-FEM模型
Xiaoxia Zhai1, Huzaifa Bin Hashim1, Jun Huang2
1Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia.
Materials (Basel, Switzerland)
|November 27, 2025
概括
一种新的合Mori-Tanaka和有限元素方法 (MT-FEM) 准确地预测了石墨烯复合物Young Young.
科学领域:
- 材料科学与工程 材料科学与工程
- 计算力学 计算力学 计算力学
- 纳米复合材料的使用方法
背景情况:
- 传统的莫里-塔纳卡方法在预测石墨烯复合材料的模量时显示不准确,这是由于加强形状的简化.
- 石墨烯的实际形态 (如矩形,圆形,纹) 与假定的圆形形状有很大差异,导致预测错误.
研究的目的:
- 开发和验证一个合的莫里-塔纳卡和有限元素方法 (MT-FEM) 来准确预测石墨烯复合物模量.
- 研究各种石墨烯形态对复合材料机械性能的影响.
主要方法:
- 用有限元建模 (FEM) 来确定实际石墨烯增强件的精确形状和应变度因子.
- 这些FEM衍生参数被整合到Mori-Tanaka框架中,以建立MT-FEM.
- 使用数值示例来验证MT-FEM与传统的Mori-Tanaka方法的兼容性.
主要成果:
- MT-FEM的预测与石墨烯复合材料的现有文献数据非常一致,偏差低于5%.
- 该研究系统地分析了矩形,斜形和纹石墨烯形态对复合材料模量的影响.
- 形石墨烯增强剂使模量得到了最高的增强,在0.03体积分数下达到4.195GPa,超过了纹和矩形形状的13%以上.
结论:
- 拟议的MT-FEM提供了一种可靠和准确的方法,用于预测具有现实的钢筋形状的石墨烯复合材料的模量.
- 与纹和矩形形式相比,形石墨烯形态提供了更高的强化效率.
- 这项研究为优化石墨烯增强复合材料的结构设计和性能提供了宝贵的理论见解.
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