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Carbon nanotube-based composite is becoming increasingly popular and offers great potential for highly demanding practical high strength and high damping applications. The excellent damping capacity of CNTs is primarily due to the interfacial friction between carbon nanotubes and polymer resins and the extremely large interfacial surface area over a given specific mass (specific area). In this work pure MWCNT were used to blend with PLA and composite was prepared by melt-mixing under different CNT loadings. Especially we concentrated on Dynamic characterization of the nanocomposite. Dynamic characterization is done by using DMA in which loss modulus, storage modulus and damping loss factor variations were determined with respect to frequency. We interpreted DMA conditions in ANSYS and found amplitude which is input for theoretical model based on interfacial friction between the PLA and MWCNT. The model, developed is analytical and relates explicitly the material properties of the resin (PLA) and nanotubes and the processing parameters to the overall material damping loss factor and hence it offers the possibility for material engineers to possibly optimize the damping for required applications. Keywords- vibration of nanotubes, vibration damping, damping of nanotubes, nanocomposite Damping of nanocomposite, vibration of nanocomposite 1

Year: 2014
OAI identifier: oai:CiteSeerX.psu:
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