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The Influence of Interfacial and Structural Parameters on the Elastic Modulus of SiCp/6066Al Composites

机译:界面和结构参数对SiCp / 6066Al复合材料弹性模量的影响

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The effects of the interfacial parameters (interface/matrix modulus ratio, interface Poisson ratio and interface volume fraction) and the structural parameters (particulate volume fraction, particulate shape, arrangement pattern and dimensional variance mode) on the elastic modulus of SiCp/6066Al composites were calculated and analyzed. The results showed that component and interface performance significantly influenced the elastic modulus of the composite; but the particulate shape, arrangement pattern and dimensional variance mode were found to have little influence. This means that the effect of the above structural parameters can be negligible. The optimal approach to enhance the elastic modulus and specific elongation of a composite is to improve the interfacial bonding of the particulate. Optimal results are obtained when the interface modulus is 20% ~ 30% of the matrix modulus.
机译:界面参数(界面/基体模量比,界面泊松比和界面体积分数)和结构参数(颗粒体积分数,颗粒形状,排列方式和尺寸变化模式)对SiCp / 6066Al复合材料的弹性模量的影响为计算和分析。结果表明,组分和界面性能显着影响复合材料的弹性模量。但发现颗粒形状,排列方式和尺寸变化模式几乎没有影响。这意味着上述结构参数的影响可以忽略不计。增强复合材料的弹性模量和比伸长率的最佳方法是改善颗粒的界面结合。当界面模量为基体模量的20%〜30%时,可获得最佳结果。

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