Paper Title:
Organoclay Effect on Transverse Tensile Strength and In-Plane Shear Strength of Unidirectional Glass/Epoxy Nanocomposites
  Abstract

This research focuses on the fabrication of glass fiber/epoxy organoclay nanocomposites as well as on the investigation of organoclay effect on transverse tensile strength and in-plane shear strength of the nanocomposites. To demonstrate the organoclay effect, three different loadings of organoclay were dispersed respectively in the epoxy resin using a mechanical mixer followed by sonication. The corresponding glass/epoxy nanocomposites were produced by impregnating dry glass fiber with organoclay epoxy compound via a vacuum hand lay-up procedure. For evaluating transverse tensile strengths, the unidirectional coupon specimens were prepared and tested in the transverse direction. Results indicate that with the increment of organoclay loadings, the glass/epoxy nanocomposites demonstrate higher transverse tensile strength. On the other hand, the in-plane shear strengths were measured from [± 45]s laminates. It is revealed that when the organoclay loadings increase, the in-plane shear strength of glass/epoxy nanocomposites also increases appropriately. Scanning Electron Microscopy (SEM) observations on the failure surfaces indicate that the increasing characteristics in transverse and in-plane failure stresses may be ascribed to the enhanced fiber/matrix bonding modified by the organoclay.

  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
773-776
DOI
10.4028/www.scientific.net/KEM.334-335.773
Citation
J. L. Tsai, M. D. Wu, "Organoclay Effect on Transverse Tensile Strength and In-Plane Shear Strength of Unidirectional Glass/Epoxy Nanocomposites", Key Engineering Materials, Vols. 334-335, pp. 773-776, 2007
Online since
March 2007
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Price
$32.00
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