Polymer nanocomposites reinforced by carbon nanotubes, fullerene and nanoparticles have been broadly studied within the last two decades. However, it was recently observed that polymer nanocomposites filled with graphene sheets showed exceptional mechanical and electrical properties. The advantage of graphene sheets over carbon nanotubes in nanocomposites may be related to their high specific surface area, enhanced nanofiller-matrix adhesion/interlocking arising from their wrinkled (rough) surface as well as the two-dimensional geometry of graphene sheets. We have compared the vibration damping properties of epoxy nanocomposite filled with single-walled carbon nanotubes (SWNT), multi-walled nanotubes (MWNT), and graphene platelet (GPL) fillers. Our results show the evidence of Coulomb friction damping in nanocomposites comparing with the pure epoxy.

Volume Subject Area:
Sound, Vibration and Design
Topics:
Coulombs, Damping, Friction, Graphene, Nanocomposites, Carbon nanotubes, Epoxy adhesives, Epoxy resins, Multi-walled nanotubes, Polymer nanocomposites, Adhesion, Electrical properties, Fillers (Materials), Fullerenes, Geometry, Nanoparticles, Platelets, Single-walled carbon nanotubes, Single-walled nanotubes, Surface roughness, Vibration
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 by ASME
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