A New Friction Model for Evaluating Energy Dissipation in Carbon Nanotube-Based Composites

  • Yaping Huang
  • X. W. Tangpong
Conference paper


Being lighter and stiffer than traditional metallic materials, nanocomposites have great potential to be used as structural damping materials for a variety of applications. Studies of friction damping in the nanocomposites are largely experimental, and there has been a lack of understanding of the damping mechanism in nanocomposites. A new friction model is developed to study the energy dissipation at the interface between carbon nanotube (CNT) and polymer matrix under dynamic loading. Iwan’s distributed friction model is considered in order to capture the stick/slip phenomenon at the interface. The effects of several parameters on energy dissipation are investigated, including the excitation’s frequency and amplitude, and the interaction between CNT’s ends and matrix. A compliance number is introduced to evaluate the energy dissipation for different contact interfaces. Some of the results are compared well with experimental observations in the literature.


Energy Dissipation Matrix Interface Axial Stiffness Slip Motion Interfacial Slippage 
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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringNorth Dakota State UniversityFargoUSA

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