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Temperature dependent compressive behavior of graphene mediated three-dimensional cellular assembly

Ghosh, Rituparna and Reddy, Siva K and Sridhar, S and Misra, Abha (2016) Temperature dependent compressive behavior of graphene mediated three-dimensional cellular assembly. In: CARBON, 96 . pp. 439-447.

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Official URL: http://dx.doi.org/10.1016/j.carbon.2015.09.089

Abstract

Mechanical behavior of three-dimensional cellular assembly of graphene foam (GF) presented temperature dependent characteristics evaluated at both low temperature and room temperature conditions. Cellular structure of GF comprised of polydimethyl siloxane polymer as a flexible supporting material demonstrated 94% enhancement in the storage modulus as compared to polymer foam alone. Evaluation of frequency dependence revealed an increase in both storage modulus and tan delta with the increase in frequency. Moreover, strain rate independent highly reversible behavior is measured up to several compression cycles at larger strains. It is elucidated that the interaction between graphene and polymer plays a crucial role in thermo-mechanical stability of the cellular structure. (C) 2015 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Depositing User: Id for Latest eprints
Date Deposited: 06 Jan 2016 07:16
Last Modified: 06 Jan 2016 07:16
URI: http://eprints.iisc.ac.in/id/eprint/53030

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