Micromechanics Modeling For The Stiffness
And Strength Properties Of
Glass Fibers/CNTs/epoxy Composites
Author(s)
M. Kim, F. A. Mirza & J. I. Song
Abstract
This research explores micromechanics modeling for the prediction of stiffness
and strength properties of nanocomposites consisting of randomly oriented
carbon nanotubes (CNTs) and an epoxy matrix, and multiscale composites
consisting of unidirectional glass fibers, randomly orientated CNTs, and an
epoxy matrix. For stiffness properties, including Young’s modulus, Poisson’s
ratio, and shear modulus, of CNTs/epoxy composites and glass
fiber/CNTs/epoxy composites, the Mori-Tanaka model and Halpin-Tsai
equations were used. To obtain the strength properties of the composites,
including tensile and compressive strength, several empirical equations were
employed. The estimated mechanical properties of nanocomposites were used as
matrix properties in the micromechanical models for multiscale composites. The
results showed that the stiffness and strength properties of nanocomposites and
multiscale composites were improved by integrating CNTs in the systems.
Keywords: carbon nanotubes, fiber reinforced composites, micromechanics
modeling, mechanical properties.
1 Introduction
The extraordinary physical properties of carbon nanotubes (CNTs) have
encouraged many researchers to study CNT/polymer nanocomposites. de Viollia
et al. [1] showed improvement of the tensile modulus and strength with the
inclusion of 0.1 wt.% of CNTs in epoxy resin. The improvement of Young’s
modulus, yield strength, strain to failure, and fracture toughness were reported
Keywords
carbon nanotubes, fiber reinforced composites, micromechanics modeling, mechanical properties
Related Book
Other papers in this volume
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