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4 April 2007 Investigation of electromechanical coupling and visco-elastic behavior of cellulose-based electro-active paper actuator
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Material properties of Electro-active paper (EAPap) actuator were investigated under different environmental conditions such as humidity and temperature. Understanding of humidity and temperature effects on the material behavior of EAPap during visco-elastic deformation regime provided useful information on structural changes of EAPap by environmental factors. The pulling test results showed that the humidity and temperature heavily impact the mechanical properties of EAPap. Electro-mechanical coupling effects were investigated by applying electric field during the pulling test. Change of elastic modulus under different electric fields provides directional dependency of EAPap and strong shear electro-mechanical coupling. Creep behavior of cellulose paper was studied to figure out mechanical strength of EAPap under different ambient conditions. Tests under different humidity levels with fixed temperature and different temperatures with fixed humidity provided the coupled hygrothermal effects on the performance of EAPap.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chulho Yang, Lijie Zhao, Yuanxie Li, Heung Soo Kim, and Jaehwan Kim "Investigation of electromechanical coupling and visco-elastic behavior of cellulose-based electro-active paper actuator", Proc. SPIE 6524, Electroactive Polymer Actuators and Devices (EAPAD) 2007, 65240K (4 April 2007);


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