Electroactive Polymers (EAP): Volume 600Q. M. Zhang For many years, electroactive ceramic, magnetostrictive material and shape memory alloys have been the primary source of actuation materials for manipulation and mobility systems. Electroactive polymers (EAPs) received relatively little attention due to their limited capability. However, effective EAP materials have emerged, changing the paradigm of these materials' capability and potential. Their main attractive characteristic is the operation similarity to biological muscles, where under electrical excitation a large displacement is induced. The potential to operate biologically inspired mechanisms using EAPs as artificial muscles and organs offers exciting applications. This book promotes technical exchange of EAP research and development, as well as provides a forum for progress reports. Generally, two groups of materials are covered-dry EAPs and wet EAPs. While overall the dry types require high voltage for their operation, they also provide larger mechanical energy density and can hold a displacement under a DC voltage. Topics include: applications; ferroelectric polymers; piezoelectric, electrostrictive, and dielectric elastomers; conductive polymers; polymer gels and muscles and composites and others. |
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Contents
Compliant Actuators Based on Electroactive Polymers | 3 |
Challenges to the Transition to the Practical Application | 13 |
Structure Properties and Applications of Single Crystalline | 23 |
Copyright | |
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2000 Materials Research acetonitrile acid actuators applications behavior chain Chem chemical composite conducting polymers copolymer crystal crystalline decreases device dielectric constant dielectric relaxation diffraction dipoles doped elastomer electric field electric field induced electroactive polymer electrochemical electrode electrolyte electromechanical electrostrictive EPAM ferroelectric ferroelectric polymers field induced strain filament frequency graft elastomer higher increase IPMC irradiated ISBN layer Materials Research Society measured mechanical membrane modulus molecular molecules monomer Mrad muscle MV/m Nafion observed obtained oligomer oxidation P(VDF-TrFE Pani peak phase transition Phys piezoelectric poling polyaniline polyimide polymer film polymer gels polymerization polythiophene pores Proc properties pyroelectric remanent polarization room temperature samples sarcomere SC film shown in Figure shows solution solvent spectra strain response stretched films structure substrate surface energy switching Symp temperature dependence terpolymers thermal thickness thin films thiophene transducer unstretched varistor VDF oligomer voltage volume X-ray