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Journal of Materials Science

, Volume 43, Issue 14, pp 5020–5022 | Cite as

Effect of aging on the reinforcement efficiency of carbon nanotubes in epoxy matrix

  • A. Allaoui
  • P. Evesque
  • J. B. BaiEmail author
Letter

The reinforcement of polymer matrices with carbon nanotubes (CNTs) has been the subject of a prolific literature, especially with epoxy as the matrix. Depending on the preparation method, the reinforcement potential of CNTs (theoretical Young modulus of 1 TPa) was partially [1, 2] or fully exploited [3]. A review [4] has been published on the subject. However, to our knowledge, the effect of aging has never been explored. In this article, the elastic properties of CNT reinforced epoxy composites and the effect of aging on the reinforcement efficiency of CNT were investigated by means of cyclic uniaxial tensile tests at increasing maximum strain and constant strain amplitude.

Multiwall carbon nanotubes (MWNT) with diameters in the range of 10–150 nm and average length of 10 μm, were produced by the CVD method [5]. A low viscosity diglycidyl ether of bisphenol-A (DGEBA) epoxy resin (η ∼0.7 Pa s) with triethylenetetramine (TETA) hardener (Epofix, Struers) was used. The stochiometric...

Keywords

Strain Amplitude Maximum Strain Cyclic Strain Reinforcement Efficiency Reinforce Epoxy Composite 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.LMSSMAT CNRS UMR8579, Ecole Centrale ParisChâtenay-MalabryFrance

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