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Carbon nanotube-elastomer composites for use in dielectric polymer actuators

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2 Author(s)
Underhill, R.S. ; Defence R&D Canada-Atlantic, Dartmouth, NS, Canada ; Michalchuk, B.W.

The high tensile strength and Young's modulus of carbon nanotubes have led to much speculation about their uses. Here we have investigated the increase in permittivity of a commercial silicone by the addition of carbon nanotubes. The resulting percolation threshold is an order of magnitude lower than that of graphite/elastomer composites. This is of importance because filled systems which we have investigated previously have demonstrated a dramatic increase in the Young's modulus of the composite, offsetting any improvement the increased permittivity may have provided the actuator.

Published in:

MEMS, NANO and Smart Systems, 2005. Proceedings. 2005 International Conference on

Date of Conference:

24-27 July 2005