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Magnetic field induced tailoring of mechanical behavior of fluid filled micro porous carbon nanotube foam

Reddy, Siva Kumar and Mukherjee, Anwesha and Misra, Abha (2014) Magnetic field induced tailoring of mechanical behavior of fluid filled micro porous carbon nanotube foam. In: APPLIED PHYSICS LETTERS, 104 (26).

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Official URL: http://dx.doi.org/10.1063/1.4886389

Abstract

Compressive loading of the carbon nanotube (CNT) has attracted much attention due to its entangled cellular like structure (CNT foam). This report investigates the mechanical behavior of magnetorheological fluid impregnated micro porous CNT foam that has not been realized before at this scale. Compressive behavior of CNT foam is found to greatly depend on the variation in both fluid viscosity as well as magnetic field intensity. Moreover, maximum achieved stress and energy absorption in CNT foam followed a power law behavior with the magnetic field intensity. Magnetic field induced movement of both CNT and iron oxide particles along the field direction is shown to dominate compressive behavior of CNT foam over highly attractive van der Waals forces between individual CNT. Therefore, this study demonstrates a method for tailoring the mechanical behavior of the fluid impregnated CNT foam. (C) 2014 AIP Publishing LLC.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the AMER INST PHYSICS, CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Depositing User: Id for Latest eprints
Date Deposited: 26 Aug 2014 06:36
Last Modified: 26 Aug 2014 06:36
URI: http://eprints.iisc.ac.in/id/eprint/49674

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