Paper Title:
Finite Element Modelling Epoxy/Clay Nanocomposites
  Abstract

A full 3D finite element method has been used to understand how nano-clay particles affect the mechanical properties of an epoxy/clay nanocomposite. The epoxy/clay nanocomposite has been modelled as a representative volume element (RVE) containing intercalated clay platelets that internally delaminates at the gallery layer upon satisfying an energy criterion, and an epoxy matrix that is elastic-plastic. A cohesive traction-displacement law is used to model the clay gallery behaviour until failure. For clay volume fractions >1%, clay particle interaction is observed to develop during uniaxial tension, the nanocomposite stiffness becomes non-linearly dependent on the clay volume fraction, and the Mori-Tanaka model overestimates the stiffness. Failure of the clay gallery is not observed and is believed to have no influence on the ultimate tensile strength of the nanocomposite.

  Info
Periodical
Key Engineering Materials (Volumes 334-335)
Edited by
J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang
Pages
785-788
DOI
10.4028/www.scientific.net/KEM.334-335.785
Citation
J. Y.H. Chia, K. Hbaieb, Q.X. Wang, "Finite Element Modelling Epoxy/Clay Nanocomposites", Key Engineering Materials, Vols. 334-335, pp. 785-788, 2007
Online since
March 2007
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Price
$32.00
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