Evaluation of elastic properties and thermal expansion coefficient of composites reinforced by randomly distributed spherical particles with negative Poisson’s ratio

In this contribution, numerical studies are carried-out in order to evaluate the elastic effective properties, including Young modulus, Poisson’s ratio, shear modulus and linear thermal expansion coefficient of composites reinforced by randomly distributed spherical particles. The spherical inclusio...

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Bibliographic Details
Published in:Composite structures 2016-10, Vol.153, p.569-577
Main Authors: Nguyen, Thê-Duong, Duc, Nguyen Dinh
Format: Article
Language:English
Subjects:
Auxetic material
Composite structures
Elastic constants
FEM
Homogeneisation
Inclusions
Mathematical models
Modulus of elasticity
Particulate composites
Poissons ratio
Randomly distributed
Spherical inclusion
Thermal expansion
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Summary:In this contribution, numerical studies are carried-out in order to evaluate the elastic effective properties, including Young modulus, Poisson’s ratio, shear modulus and linear thermal expansion coefficient of composites reinforced by randomly distributed spherical particles. The spherical inclusion and matrix can be made from auxetic materials. In this numerical, the volumetric fraction of randomly uniform spherical inclusion can reach up to 60.27% of total volume. Different scenarii are carried-out to build graphical results that can suggest the designer to choose an appropriate combination of parameter to make the expected materials.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2016.06.069