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Static and dynamic strain sensing using a polymer : carbon nanotube film strain sensor

Njuguna, Michael K., Yan, Cheng, Bell, John M., & Yarlagadda, Prasad K. (2011) Static and dynamic strain sensing using a polymer : carbon nanotube film strain sensor. World Journal of Engineering, 1, pp. 871-872.

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Abstract

The search for new multipoint, multidirectional strain sensing devices has received a new impetus since the discovery of carbon nanotubes. The excellent electrical, mechanical, and electromechanical properties of carbon nanotubes make them ideal candidates as primary materials in the design of this new generation of sensing devices. Carbon nanotube based strain sensors proposed so far include those based on individual carbon nanotubes for integration in nano or micro elecromechanical systems (NEMS/MEMS) [1], or carbon nanotube films consisting of spatially connected carbon nanotubes [2], carbon nanotube - polymer composites [3,4] for macroscale strain sensing. Carbon nanotube films have good strain sensing response and offer the possibility of multidirectional and multipoint strain sensing, but have poor performance due to weak interaction between carbon nanotubes. In addition, the carbon nanotube film sensor is extremely fragile and difficult to handle and install. We report here the static and dynamic strain sensing characteristics as well as temperature effects of a sandwich carbon nanotube - polymer sensor fabricated by infiltrating carbon nanotube films with polymer.

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ID Code: 49898
Item Type: Journal Article
Keywords: sensing devices, carbon nanotubes, strain sensors
ISSN: 1708-5284
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Multi-Science Publishing Co. Ltd.
Deposited On: 27 Apr 2012 08:38
Last Modified: 27 Apr 2012 11:56

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