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Dynamic stability of carbon nanotubes reinforced composites

机译：碳纳米管增强复合材料的动态稳定性

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摘要

Based on an effective model of multi-walled carbon nanotubes and Donnell-shell theory, an analytical method is presented to study dynamic stability characteristics of multi-walled carbon nanotubes reinforced composites considering the surface effect of carbon nanotubes. From obtained results it is seen that carbon nanotubes composites, under combined static and periodic axial loads, may occur in a parametric resonance, the parametric resonance frequency of dynamic instability regions of CNTs reinforced composites under axially oscillation loading enhances as the stiffness of matrix surrounding CNTs increases, and the surface effective modulus and residue stress of carbon nanotubes make the parametric resonance frequency and the region breadth of dynamic instability of carbon nanotubes reinforced composites increase.
机译：基于多壁碳纳米管的有效模型和唐纳-壳理论，提出了一种分析方法，考虑碳纳米管的表面效应，研究了多壁碳纳米管增强复合材料的动态稳定性。从获得的结果可以看出，碳纳米管复合材料在静态和周期性轴向载荷共同作用下可能会发生参数共振，随着碳纳米管周围基体的刚度增加，碳纳米管增强复合材料在轴向振荡载荷下的动态失稳区域的参数共振频率会提高碳纳米管增强后，其表面有效模量和残余应力增加，从而使参量共振频率和动态不稳定性区域广度增加。

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  • 来源
    《Applied Mathematical Modelling》 |2014年第12期|2934-2945|共12页
  • 作者

    X. Wang; W.D. Yang; S. Yang;

  • 作者单位

    School of Naval Architecture, Ocean and Civil Engineering (State Key Laboratory of Ocean Engineering), Shanghai Jiaotong University Shanghai 200240,People's Republic of China;

    School of Naval Architecture, Ocean and Civil Engineering (State Key Laboratory of Ocean Engineering), Shanghai Jiaotong University Shanghai 200240,People's Republic of China;

    School of Naval Architecture, Ocean and Civil Engineering (State Key Laboratory of Ocean Engineering), Shanghai Jiaotong University Shanghai 200240,People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Carbon nanotubes composites; Elastic matrix; Dynamic stability; Parametric resonance; Surface effect;

    机译：碳纳米管复合材料;弹性矩阵动态稳定性参数共振;表面效果;

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