[PDF] Top 20 Electromechanical coupling behavior of dielectric elastomer transducers

... other dielectric materials (Huang et ...the dielectric strength of the material. In fact, determining the dielectric strength of DEs has always been challenging since experiments have shown that they ... See full document

... non-monotonic behavior of the ¯ E-¯ λ curve for the 3D setup, as can be seen in ...an electromechanical instability at the maximum in the response curve shown in ...non-monotonic behavior is not ... See full document

... as dielectric transducers—unlike silicone and acrylic elastomers, they are physically cross-linked structures that exhibit a variety of ...the dielectric constant of the copolymer gel ...these ... See full document

... In order to capture all these nano-scale structure features as discussed above, Hu and Shen (2010) have successfully established a theoretical framework by proposing an electric enthalpy variational principle for ... See full document

... (3) Kornbluh, R. D.; Pelrine, R.; Pei, Q.; Heydt, R.; Stanford, S.; Oh, S.; Eckerle, J., Electroelastomers: Applications of Dielectric Elastomer Transducers for Actuation, Generation, and Smart ... See full document

... the coupling of elec- trical and mechanical material properties of electro-active solids subjected to finite ...the electromechanical coupling opens the door for the development of new devices: these ... See full document

... Dielectric elastomers (DEs) capable of large voltage-induced deformation show promise for applications such as resonators and oscillators. However, the dynamic performance of such vibrational devices is not only ... See full document

... and dielectric elastomers [10–12] are examples of electronic ...EAPs, dielectric elastomers are the most favourable in actuation, due to high actuation speeds, large strains, high work densities and a high ... See full document

... cal coupling for dielectric ...linear coupling of piezoelectric composites, the effective electromechanical coupling of the dielectric laminates can exceed the ... See full document

... the electromechanical response of DEs is also highly rate-dependent (Löwe et ...and coupling efficiency (Kornbluh et ...dynamic behavior of viscoelastic DE membranes subjected to three different ... See full document

... Abstract. The shear horizontal (SH) wave devices have been widely used in electro- acoustic. To improve their performance, the phase velocity dispersion and the electromechanical coupling coefficient of the ... See full document

... (Equation (7)). This limit stretch corresponds to the theoretical maximum extension that the elastomer molecular chains can reach in the liquid state. It can be determined from a tension test as shown in Figure 3. ... See full document

... frequencies dielectric constant increases with increase in temperature which is depends upon interfacial ...But dielectric constant at higher frequencies depends upon electronic as well as ionic ... See full document

... Module design is an active area of research, as there are numerous design trade- offs. The module complexity ranges from independently mobile units to systems that are simply active material (e.g. a magnet). It is ... See full document

... For the experimental investigation of inverse ME effect, it is measured the EMF of induction, that originated in coil at the magnetic flux measuring, due to the change of the magnetization of capacitor magnetoelectric ... See full document

... line transducers are single proceeding element longitudinal wave transducers used in conjoining with a replaceable delay ...immersion transducers over contact transducers are Uniform ... See full document

... [2]. Dielectric elastomer actuators (DEAs) are a class of EAP, akin to a compliant capacitor, which show great potential in the replacement of conventional hard actuators for many applications, including ... See full document

... control than brushless motors. Brushless DC motors are generally more accurate for positioning, they are more efficient, low noise, and have a better speed/torque trade-off. The disadvantage for all DC motors is that ... See full document

... mechanical behavior of the desirable compliant electrodes are critical for the performance of the actuator must be compatible with the dielectric polymer behavior, in that these must accommodate ... See full document

... (including dielectric elastomer actuators) and ionic (including ionic polymer composites and conducting ...mechanisms. Dielectric elastomer actuators (DEAs) are large compliant capacitors that ... See full document