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FEM study on mechanical properties of nanocomposites reinforced by defective graphene sheets
Author(s) -
Ghasemi Parizi Mohammad J.,
Shahverdi Hossein,
Mondali Mehdi
Publication year - 2019
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.24871
Subject(s) - materials science , interphase , nanocomposite , composite material , finite element method , epoxy , graphene , nanoscopic scale , structural engineering , nanotechnology , genetics , engineering , biology
The main objective of the present study is improvement of the mechanical property estimation of epoxy nanocomposites (NCs) reinforced by defective graphene sheets (GS). For this purpose, the mechanical properties of a defect‐free GS are initially determined using FEM. Then, some well‐known defects are incorporated into the computational model to establish a realistic computational model. In addition, the finite element analyses of a NC reinforced by such defective GSs are conducted using Full Continuum and semi‐continuum FE models. In this regard, the multi‐scale method is used to model the perfect bonds between carbon atoms and the surrounding matrix. Also, the influences of the interphase layer and defective GSs on NC properties are investigated. Finally, the effects of some basic parameters such as the weight fractions and the length of GSs on the mechanical properties are examined. POLYM. COMPOS., 40:E1084–E1093, 2019. © 2018 Society of Plastics Engineers