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Effect of Graphene Nano-Additives on the Local Mechanical Behavior of Derived Polymer Nanocomposites

Abstract : In this study, indentation tests of graphene-based polymer nanocomposites were carried out to determine the local elastic mechanical properties. The samples consist of epoxy matrix with graphene additives. Additives were added at levels of 0% as a control, 0.5%, 1%, 2.5%, 5% and 10% by weight. The local elastic properties such as moduli and hardness were calculated. After each indentation, the prints were characterized using scanning electron microscopy (SEM). It seems that the local mechanical properties of nanocomposite samples were improved as the amount of nano-additives increased. Based on the curve displacement and surface imaging, we can conclude that the nano-additives influenced the overall plastic mechanical behavior of the samples. For simulating micro-indentation test, a finite element analysis model was developed using ABAQUS software and compared to experimental tests. Good correlation was observed.
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https://hal-ensta-bretagne.archives-ouvertes.fr/hal-01834832
Contributor : Claude Morvan <>
Submitted on : Wednesday, July 11, 2018 - 9:19:04 AM
Last modification on : Wednesday, April 1, 2020 - 1:59:18 AM

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Mostapha Tarfaoui, Khalid Lafdi, Imane Beloufa, Debora Daloia, Ali Muhsan. Effect of Graphene Nano-Additives on the Local Mechanical Behavior of Derived Polymer Nanocomposites. Polymers, MDPI, 2018, 10 (6), ⟨10.3390/polym10060667⟩. ⟨hal-01834832⟩

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