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Development and characterization of electric field directed preferentially aligned CNT nanocomposites

Pothnis, Jayaram R and Gururaja, Suhasini and Kalyanasundaram, Dinesh (2019) Development and characterization of electric field directed preferentially aligned CNT nanocomposites. In: MECHANICS OF ADVANCED MATERIALS AND STRUCTURES, 26 (1, SI). pp. 35-41.

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Official URL: http://dx.doi.org/ 10.1080/15376494.2018.1534165

Abstract

The present work demonstrates a novel method to preferentially orient carbon nanotubes (CNTs) in an epoxy matrix using a non-uniform electric field. The alignment method is based on the principle of dielectrophoresis. Aligned CNT/epoxy composites containing 0.01, 0.05 and 0.1 wt. % CNTs, respectively were fabricated using the method. The elastic modulus and hardness of the samples evaluated using nanoindentation technique were observed to increase with increasing CNT loading. The tensile strength of nanocomposite samples containing 0.1 wt. % CNTs increased by approximately 27% due to CNT alignment in epoxy matrix.

Item Type: Journal Article
Additional Information: International Conference on Composite Materials and Structures (ICCMS), Hyderabad, INDIA, DEC 27-29, 2017.Copyright for this article belongs to Taylor and Francis Inc.
Keywords: Carbon nanotubes; epoxy resin; directional alignment; non-uniform electric field; nanoindentation
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Depositing User: Id for Latest eprints
Date Deposited: 06 Aug 2019 11:49
Last Modified: 06 Aug 2019 11:49
URI: http://eprints.iisc.ac.in/id/eprint/62300

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