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This paper presents a critical review of the current work of experiment, theory of micro-nanomechanics,and numerical analysis on characterizing mechanical properties of nanocomposites.First, the classifications of nanomaterials are presented. Then nanoindentation testing and thecorresponding finite element modeling are discussed, followed by analytical modeling stiffness ofnanocomposites. The analytical models discussed include Voigt and Reuss bounds, Hashin andShtrikman bounds, Halpin–Tsai model, Cox model, and various Mori and Tanaka models. Thesemicromechanics models predict stiffness of nanocomposites with both aligned and randomlyoriented fibers. The emphasis is on numerical modeling includes molecular dynamics modelingand finite element modeling. Three different approaches are discussed in finite elementmodeling, i.e. multiscale representative volume element RVE modeling, unit cell modeling, andobject-oriented modeling. Finally, the mechanism of nanocomposite mechanical propertyenhancement and the ways to improve stiffness and fracture toughness for nanocomposites arediscussed.


Nanocomposites; Mechanical properties; Multiscale modeling; Finite elementanalysis FEA; Object-oriented modeling.

Cite this paper

H. Hu, L. Onyebueke and A. Abatan -Characterizing and Modeling Mechanical Properties of Nanocomposites-Review and Evaluation,- Journal of Minerals and Materials Characterization and Engineering, Vol. 9 No. 4, 2010, pp. 275-319. doi: 10.4236-jmmce.2010.94022.

Author: Hurang Hu, Landon Onyebueke, Ayo Abatan



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