Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 66, Issue 7-8, Pages 1030-1037Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2005.07.030
Keywords
particle-reinforced composites; mechanical properties; modelling; finite element analysis (FEA); nanocomposite
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In this work, the mechanical properties of polymer matrix-ceramic fillers nanocomposites were investigated. A PCL (poly-caprolactone) matrix was reinforced with increasing amount of nano-sized silica particles in the range 1-2.5% by weight, and the resulting properties were determined as a function of reinforcement characteristics and volume fraction. In order to gain a deeper insight into the mechanical behaviour of such nanocomposites, a numerical model able to reproduce the peculiar composite features was set up. The study focussed on the effect of particles size and amount on the achieved increment in the overall stiffness. The computational approach revealed that a third phase, namely the interphase, has to be taken into account in the model in order to accurately reproduce the experimental results. (c) 2005 Elsevier Ltd. All rights reserved.
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