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Influence of interphase properties on the macroscopic response of single- and double-walled CNT/epoxy nanocomposites : a numerical study
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Weidt, David, Figiel, Lukasz and Buggy, Martin (2012) Influence of interphase properties on the macroscopic response of single- and double-walled CNT/epoxy nanocomposites : a numerical study. In: Boudenne, Abderrahim, (ed.) Polymer composite materials : from macro, micro to nanoscale u. Switzerland: Trans Tech Publications Limited, pp. 3-12. ISBN 9783037853832
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Abstract
A concept for improving the impact resistance of carbon fibre reinforced plastic (CFRP) laminates by using a carbon nanotube (CNT)/epoxy surface coating is presented. An initial parametric numerical study shows the effects of interphase properties on the macroscopic stressstrain behaviour of carbon nanotube/epoxy nanocomposites. Finite element (FE) simulations carried out for fully aligned single-walled CNTs (SWCNTs) and double-walled CNTs (DWCNTs) investigated the influence of properties of the polymer/CNT interphase and the interwall phase of DWCNTs. They reveal that a high shear stiffness of the CNT/polymer interphase is essential to take the full advantage of the load-bearing ability of the inner wall of the DWCNT, and thus enhance the mechanical performance of the nanocomposite. Furthermore the interphase shear stress distributions in interwall and CNT/polymer interphase of a DWCNT point out the relationship between CNT/epoxy interphase damage propagation and shear stress in the interwall phase.
Item Type: | Book Item | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Publisher: | Trans Tech Publications Limited | ||||
Place of Publication: | Switzerland | ||||
ISBN: | 9783037853832 | ||||
Book Title: | Polymer composite materials : from macro, micro to nanoscale u | ||||
Editor: | Boudenne, Abderrahim | ||||
Official Date: | 2012 | ||||
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Volume: | Volume 714 | ||||
Page Range: | pp. 3-12 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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