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Stochastic modelling of clay/epoxy nanocomposites

Silani, Mohammad, Talebi, Hossein, Ziaei-Rad, Saeed, Kerfriden, Pierre, Bordas, Stephane Pierre Alain and Rabczuk, Timon 2014. Stochastic modelling of clay/epoxy nanocomposites. Composite Structures 118 , pp. 241-249. 10.1016/j.compstruct.2014.07.009

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Abstract

This paper presents a numerical investigation of the mechanical properties of exfoliated clay/epoxy nanocomposites. The large scatter in the material properties and distribution of the inclusions and matrix is taken into account by introducing an appropriate stochastic damage modelling at the nano-scale. Then, the overall properties of the nanocomposite are upscaled using computational homogenization. Two mechanical properties are investigated: the random distribution of the homogenized Young’s modulus and the overall loss of stiffness observed in the case of extreme loading. The results obtained in the former case are in good agreement with experimental results from the literature. In the second case, we show that exfoliation does not significantly affect the overall strength of the nanocomposite.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Advanced Research Computing @ Cardiff (ARCCA)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: Nanocomposites; Stochastic methods; Micromechanics.
Publisher: Elsevier
ISSN: 0263-8223
Last Modified: 19 Aug 2019 14:50
URI: http://orca-mwe.cf.ac.uk/id/eprint/62992

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