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Proceedings Paper

Theoretical and experimental investigations of fundamental effects in carbon nanotube sheet actuators
Author(s): Mohammad H. Haque; Klaus Hying; Ivica Kolaric; Thomas Wallmersperger; Bernd Kröplin
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Paper Abstract

In this paper we present experimental measurements and analytical predictions for the electro-mechanical behaviour of Carbon Nanotube (CNT) actuators. Carbon nanotube actuators are chemo-electro- mechanical converters and exhibit very promising material parameters. To describe the electro-mechanical behavior, in the experimental part, some fundamental tests have been realized varying the voltage pattern while keeping the CNT materials, electrolyte, test configuration and other parameters unchanged. For out-of-plane deformation of the sheet material under applied voltage within a chemical environment, this analytical prediction is capable to show the voltage vs. active displacement behaviour for that material. Based on the experimental results from the different types of rectangular voltage pulses, we could successfully predict the material behaviour for triangular pulses. Finally based on these fundamental effects we are able to confirm the analytic prediction and to develop more sophisticated actuators.

Paper Details

Date Published: 22 March 2006
PDF: 9 pages
Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61681I (22 March 2006); doi: 10.1117/12.658532
Show Author Affiliations
Mohammad H. Haque, Fraunhofer Technologie-Entwicklungsgruppe TEG (Germany)
Klaus Hying, Fraunhofer Technologie-Entwicklungsgruppe TEG (Germany)
Ivica Kolaric, Fraunhofer Technologie-Entwicklungsgruppe TEG (Germany)
Thomas Wallmersperger, Univ. Stuttgart (Germany)
Bernd Kröplin, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 6168:
Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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