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Proceedings Paper

Liquid crystal elastomer for artificial muscle applications
Author(s): Jawad W. Naciri; Amritha Srinivasan; Banahalli R. Ratna
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Paper Abstract

Novel liquid crystalline elastomers with properties that mimic the action of a muscle have been developed. Uniaxial contraction of free standing film of the material can be achieved by heating the film through the nematic to isotropic phase transition. Thermoelastic response shows strain changes through the nematic-isotropic phase transition of about 30-35%. Retractive force of nearly 450 kPa was measured in the isotropic phase. Static workloop studies show that the visco-elastic losses in these materials to be very small.

Paper Details

Date Published: 27 July 2004
PDF: 7 pages
Proc. SPIE 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD), (27 July 2004); doi: 10.1117/12.562494
Show Author Affiliations
Jawad W. Naciri, Naval Research Lab. (United States)
Amritha Srinivasan, Naval Research Lab. (United States)
Banahalli R. Ratna, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 5385:
Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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