Characterization of conducting-polymer-based bimorph vibration sensors

W. H. Li; Geoffrey M. Spinks; L. B. Zhao; Y. Z. Wu; D. Zhou; Gordon G. Wallace

doi:10.1117/12.582159

16 February 2004 Characterization of conducting-polymer-based bimorph vibration sensors

W. H. Li, Geoffrey M. Spinks, L. B. Zhao, Y. Z. Wu, D. Zhou, Gordon G. Wallace

Proceedings Volume 5648, Smart Materials III; (2004) https://doi.org/10.1117/12.582159
Event: Smart Materials, Nano-, and Micro-Smart Systems, 2004, Sydney, Australia

Abstract

This paper presents theoretical and experimental investigation of mechanical-electrical properties of conducting polymers based bimorph sensors. A material parameter, h_CP, is proposed to represent linear relationship between induction charge and the applied external deformation. Based on this assumption, a constitutive equation for bimorph sensors under steady-state external loadings are constructed and then solved. Mechanical-electrical properties of bimorph sensors are experimentally studied using both vibration-amplitude sweep mode and frequency sweep mode. The material parameter h_CP, is identified by comparing theoretical analysis and experimental results. The applications of conducting polymers based bimorph sensors in smart structures are also discussed.

Citation Download Citation

W. H. Li, Geoffrey M. Spinks, L. B. Zhao, Y. Z. Wu, D. Zhou, and Gordon G. Wallace "Characterization of conducting-polymer-based bimorph vibration sensors", Proc. SPIE 5648, Smart Materials III, (16 February 2004); https://doi.org/10.1117/12.582159

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