Interaction and multiscale mechanics

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Dynamic mechanical analysis of silicone rubber reinforced with multi-walled carbon nanotubes

  • Li, Rui (Department of Civil and Environmental Engineering, University of California) ;
  • Sun, L.Z. (Department of Civil and Environmental Engineering, University of California)
  • Received : 2011.01.10
  • Accepted : 2011.05.25
  • Published : 2011.09.25
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Abstract

The dynamic mechanical behavior of silicone rubber reinforced with multi-walled carbon nanotubes (MWCNTs) has been investigated in this study. The MWCNT-reinforced nanocomposites are tested in compression mode through dynamic mechanical analysis (DMA). Multiple effects including MWCNT loading, testing frequency, dynamic strain amplitude, and pre-strain level are taken into consideration. Results show that, by adding 5 wt% of MWCNTs, the dynamic stiffness and damping coefficient of the silicone rubber are significantly enhanced. It is further observed that the dynamic mechanical properties of the nanocomposites are sensitive to dynamic strain amplitude but only slightly affected by pre-strains.

Keywords

Acknowledgement

Supported by : National Science Foundation

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