Paper Title:
Electrically Controllable Biomimetic Actuators Made with Multiwalled Carbon Nanotube(MWNT) Loaded Ionomeric Nanocomposites
  Abstract

Biomimetic actuators that can produce soft-actuation but large force generation capability are of interest. Nafion, an effective ionomeric material from DuPont, has been shown to produce large deformation under low electric fields (<10V/mm). This response is caused by a direct electro-osmotic effect due to the existence and mobility of cations and subsequent swelling and deswelling of the material. In this effort, multiwalled carbon nanotube (MWNT)/Nafion nanocomposites were prepared by a casting in order to investigate the effect of MWNT loading in the range of 0 to 7 wt% on electromechanical properties of the MWNT/Nafion nanocomposites. The measured elastic modulus and actuation force of the MWNT/Nafion nanocomposites are drastically different, showing larger elastic modulus and improved electromechanical coupling, from the one without MWNT, implying that the effective MWNT loading is crucial to develop high-performance biomimetic actuators.

  Info
Periodical
Key Engineering Materials (Volumes 284-286)
Main Theme
Edited by
Panjian Li, Kai Zhang and Clifford W. Colwell, Jr.
Pages
733-736
DOI
10.4028/www.scientific.net/KEM.284-286.733
Citation
D. Y. Lee, S. Heo, K. J. Kim, D. Kim, M. H. Lee, S. J. Lee, "Electrically Controllable Biomimetic Actuators Made with Multiwalled Carbon Nanotube(MWNT) Loaded Ionomeric Nanocomposites ", Key Engineering Materials, Vols. 284-286, pp. 733-736, 2005
Online since
April 2005
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Price
$32.00
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