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Proceedings Paper

Multiwalled carbon-nanotubes-sheet actuators: theoretical and experimental investigations
Author(s): Mohammad H Haque; Ivica Kolaric; Uwe Vohrer; Thomas Wallmersperger; Michele D'Ottavio; Bernd Kroplin
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Paper Abstract

In this paper we present experimental measurements as well as a theoretical model for the chemo-electro-mechanical behavior of multi walled (MWNT) carbon nanotubes sheet actuators. Investigations of MWNT paper as an actuator and the analysis of the experimental and theoretical characteristics are special features of the presented work. The influencing parameters of the actuation behavior such as thickness of sheet materials and electrolyte concentration have been investigated. We report the experimentally measured active displacement varying quadratically with the applied electric field and non-linearly with the electrolyte concentration. In the theoretical part, we present a macroscopic actuation model for the global displacement behavior of MWNT materials. Finally, a comparison between the theoretical and the experimental investigations has been conducted.

Paper Details

Date Published: 6 May 2005
PDF: 11 pages
Proc. SPIE 5759, Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD), (6 May 2005); doi: 10.1117/12.599727
Show Author Affiliations
Mohammad H Haque, Fraunhofer-Technologie-Entwicklungsgruppe (Germany)
Ivica Kolaric, Fraunhofer-Technologie-Entwicklungsgruppe (Germany)
Uwe Vohrer, Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik (Germany)
Thomas Wallmersperger, Univ. Stuttgart (Germany)
Michele D'Ottavio, Univ. Stuttgart (Germany)
Bernd Kroplin, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 5759:
Smart Structures and Materials 2005: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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