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28 May 1999 Electromechanical behavior of electroactive P(VDF-TrFE) copolymers
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Abstract
An exceptionally high electrostrictive response was observed in electron irradiate polyvinelidene fluoride- trifluoroethylene [P(VDF-TrFE)] copolymer. Moreover, the transverse strain of the material can be tuned over a large range by different sample treatment conditions. For example, in films uniaxially stretched, the strain can be comparable or even larger than the longitudinal strain, while in films unstretched, the transverse strain is quite small. In addition, when the films are completely clamped mechanically in the lateral directions, the films can still generate large longitudinal strains. Due to relatively high elastic modulus of the films, high elastic strain energy densities, which are much higher than those in conventional piezo and electrostrictive ceramics and magnetostrictive materials.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Qi Ming Zhang, Vivek Bharti, Zhong-Yang Cheng, Tian-Bing Xu, Shexi Wang, Thomas S. Romotowski, Frank A. Tito, and Robert Y. Ting "Electromechanical behavior of electroactive P(VDF-TrFE) copolymers", Proc. SPIE 3669, Smart Structures and Materials 1999: Electroactive Polymer Actuators and Devices, (28 May 1999); https://doi.org/10.1117/12.349670
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