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Multiscale mechanical phenomena in electrospun carbon nanotube composites

机译:静电纺丝碳纳米管复合材料的多尺度力学现象

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摘要

The carbon nanotube (CNT) structure is a promising building block for future nanocomposite structures. Mechanical properties of the electrospun butadiene elastomer reinforced with CNT are analyzed by multiscale method. Nanofiber diameter dependence on electric field and solution concentration is estimated from experimental data. The fiber microscale effective properties are determined by homogenization procedure using modified shear-lag model, while the point-bonded stochastic fibrous network on the mesoscale replaced by continuum effective sheet. Random fibrous network was generated according experimentally determined stochastic quantifiers. The influence of CNT reinforcement on elastic modulus of electrospun sheet on macroscopic level is determined by finite element method. (C) 2008 Wiley Periodicals, lnc.
机译:碳纳米管(CNT)结构是未来纳米复合结构的有前途的构建基块。用多尺度法分析了碳纳米管增强的电纺丁二烯弹性体的力学性能。纳米纤维直径对电场和溶液浓度的依赖性是根据实验数据估算的。纤维微尺度的有效特性是通过使用修正的剪切滞后模型的均质程序来确定的,而中尺度上的点粘结随机纤维网络被连续有效片所代替。根据实验确定的随机量词生成随机纤维网络。碳纳米管的增强对电纺片的弹性模量的宏观影响是通过有限元方法确定的。 (C)2008 Wiley期刊,lc。

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