Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: C1.00247 : Electro-Mechanical Actuation of Carbon Nanotube Yarns, Sheets, Composites
Author:
We report preparation of highly conductive carbon nanotube yarns
and sheets.
The materials aim at such applications as electronic textiles,
electro-mechanical actuators, and conductive coatings. The
electro-mechanical response of the specimens was measured using
custom made
force transducer operating in an isometric mode. The measurements
were
carried out at room temperature in aqueous and organic electrolytes;
square-wave potential of variable amplitude was applied with a
potentiostat.
It was found that the maximum isometric stress generated by nanotube
actuators could be as large as 12 MPa. This approaches the stress
generation
capability of commercial ferroelectrics and is significantly
larger than
that of natural muscles. A variety of applications of the
materials is
discussed.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.C1.247
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