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首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Micromechanical Constitutive Equations for the Effective Thermoelastic Properties of Carbon Nanotube-Reinforced Composites
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Micromechanical Constitutive Equations for the Effective Thermoelastic Properties of Carbon Nanotube-Reinforced Composites

机译：碳纳米管增强复合材料有效热弹性特性的微机械本构方程

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摘要

Predicting thermomechanical properties of composites containing carbon nanotubes (CNTs) is significantly depending on the assumed microstructural parameters (MSPs) of CNTs and CNT/matrix morphology. These MSPs include geometry, dispersion and orientation. On the other hand, CNT/matrix morphology refers to two microstructural observations. The first is whether or not an interphase exists between CNTs and matrix, whereas the second is whether or not voids exist due to, for example, debonding of CNTs. In this work, the aim is to propose micromechanical constitutive equations, which are based on the micromechanics principles of Eshelby and Mori-Tanaka models, for considering all of these MSPs altogether in addition to the other well-known MSPs. Accordingly, these equations can be used for modeling realistic nanocomposites to predict their effective thermomechanical properties in different directions. The obtained computational results are compared with other results of both experimental and theoretical investigations found in the literature, and good agreement is obtained.
机译：包含碳纳米管（CNT）的复合材料的热机械性能的预测很大程度上取决于假定的CNT的微结构参数（MSP）和CNT /基体形态。这些MSP包括几何形状，色散和方向。另一方面，CNT /基质形态是指两个微观结构观察。第一个是在CNT与基体之间是否存在中间相，而第二个是例如由于CNT的脱粘而存在空隙。在这项工作中，目的是提出基于Eshelby和Mori-Tanaka模型的微力学原理的微机械本构方程，以在考虑其他所有著名的MSP的同时，考虑所有这些MSP。因此，这些方程可用于对现实的纳米复合材料进行建模，以预测其在不同方向上的有效热机械性能。将获得的计算结果与文献中发现的实验和理论研究的其他结果进行比较，并获得了良好的一致性。

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