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首页> 外文期刊>Journal of Applied Polymer Science >Anisotropy of the elastic modulus for hybrid composites reinforced by short fibers and particles with respect to material porosity
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Anisotropy of the elastic modulus for hybrid composites reinforced by short fibers and particles with respect to material porosity

机译：短纤维和颗粒增强的混杂复合材料的弹性模量相对于材料孔隙率的各向异性

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Hybrid composites reinforced by short fibers and particles (HCRSFPs) have been widely used in many fields, and more and more scholars are paying attention to hybrid composites. In this study, the elastic moduli of HCRSFPs in arbitrarily chosen directions were investigated with respect to their porosities. A material model was built with the assumption of a compound of particles and polymer matrix containing voids as an effective matrix, and the HCRSFPs were treated as the compound of short fibers and the effective matrix. With consideration of the three-dimensional spatial orientation distribution and the length distribution of the short fibers, the laminate analog approach and the Halpin-Tsai model were used to predict the elastic moduli of the HCRSFPs. Numerical examples and analyses showed that the fiber orientation distribution, reinforcement volume fraction, and porosity had great effects on the elastic moduli of the HCRSFPs. (C) 2016 Wiley Periodicals, Inc.
机译：由短纤维和颗粒（HCRSFP）增强的杂化复合材料已在许多领域中得到广泛使用，并且越来越多的学者关注杂化复合材料。在这项研究中，研究了HCRSFP在任意方向上的弹性模量，并对其孔隙率进行了研究。假设以含有空洞的粒子和聚合物基质的化合物作为有效基质，建立了材料模型，并将HCRSFPs视为短纤维和有效基质的化合物。考虑到短纤维的三维空间取向分布和长度分布，采用层状模拟方法和Halpin-Tsai模型预测HCRSFP的弹性模量。数值算例和分析表明，纤维取向分布，增强体积分数和孔隙率对HCRSFP的弹性模量有很大影响。 （C）2016威利期刊公司

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