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首页> 外文期刊>International Journal of Engineering Trends and Technology >Effect of Matrix Modulus, CNT Thickness, and Interphase Volume Fraction on Mechanical Properties of CNT-based Polymer Composite by Finite Element Method
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Effect of Matrix Modulus, CNT Thickness, and Interphase Volume Fraction on Mechanical Properties of CNT-based Polymer Composite by Finite Element Method

机译：有限元法研究基体模量，CNT厚度和相间体积分数对CNT基聚合物复合材料力学性能的影响

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摘要

The carbon nanotubes are well known for their superior material properties. They are effectively introducing in the composite to improve the material properties and therefore, it is necessary to understand the effect of carbon nanotubes on the mechanical properties of nanotubebased composite. In this paper, the effective Young’s modulus of the carbon nanotubebased composite is investigated by the finite element method for different matrix stiffness considering both long and short type carbon nanotubes. The effective Young’s modulus for different nanotube thickness in case of perfect bonding and interphase thickness for imperfect bonding is also determined. A 2D axisymmetric model for the cylindrical representative volume element is considered in this work. For validation of the estimation considering the perfect bonding, finite element method results are compared with the analytical results. It is concluded that for both long and short type carbon nanotubes, the effective Young’s modulus of the composite material increases as the matrix stiffness, nanotube thickness, and interphase thickness increases.
机译：碳纳米管以其优异的材料性能而闻名。它们被有效地引入复合材料中以改善材料性能，因此，有必要了解碳纳米管对基于纳米管的复合材料的机械性能的影响。在本文中，考虑到长型和短型碳纳米管，通过有限元方法研究了不同基体刚度的碳纳米管基复合材料的有效杨氏模量。还确定了在完美键合情况下不同纳米管厚度的有效杨氏模量，以及不完美键合的相间厚度。在这项工作中考虑了圆柱代表性体积单元的二维轴对称模型。为了验证考虑完美结合的估计，将有限元方法的结果与分析结果进行了比较。结论是，对于长型和短型碳纳米管，复合材料的有效杨氏模量都随着基质刚度，纳米管厚度和相间厚度的增加而增加。

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