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    The Effect of Structural Defects of Graphene Reinforced Polymer Nanocomposites on Mechanical Properties

    , M.Sc. Thesis Sharif University of Technology Bazmara, Maziyar (Author) ; Naghd Abadi, Reza (Supervisor)
    Nanocomposites are widely used due to unique properties such as low density and high strength in many industries such as electronics, telecommunications, aerospaces, Petrochemicals and shipbuildings. Meanwhile, due to the importance of economic issues, polymer based nanocomposites are the most used type of nanocomposites. The purpose of this thesis is studing the structural defects of graphene-reinforced nanocomposite polymers on the mechanical properties of these materials. Defects created in nanocomposites can be divided into two categories after construction. The first category is the defects that are created in the graphene structure when it is synthsis, and the second happen at the... 

    Investigating Effects of Interphase on Mechanical Properties of Particulate Metal-Matrix Nanocomposites Using Surface Elasticity

    , M.Sc. Thesis Sharif University of Technology Ebrahimi Estahbanati, Parvin (Author) ; Naghdabadi, Reza (Supervisor)
    Due to ignoring the effect of length scale and neglecting the details at nanosize, classical methods are not sufficiently accurate to determine the properties of nanostructured materials. More reliable results can be obtained, using surface elasticity theory. Lots of analytical, experimental and numerical investigations have been done on the effect of interphase on the mechanical properties of polymer nanocomposites whereas metal matrix nanocomposites are in the first stages of analytical and numerical researches and have attracted so much attention.
    The main objective of this research is to investigate the effects of interphase as well as coating, on the mechanical behavior of metal...