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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Berselli, Giovanni Vertechy, Rocco Fontana, Marco Pellicciari, Marcello |
| Copyright Year | 2014 |
| Abstract | Dielectric Elastomers (DEs) are deformable dielectrics, which are currently used as active materials in mechatronic transducers, such as actuators, sensors and generators. Nonetheless, at the present state of the art, the industrial exploitation of DE-based devices is still hampered by the irregular electro-mechanical behavior of the employed materials, also due to the unpredictable effects of environmental changes in real world applications. In many cases, DE transducers are still developed via trial-and-error procedures rather than through a well-structured design practice, one reason being the lack of experimental data along with reliable constitutive parameters of many potential DE materials. Therefore, in order to provide the practicing engineer with some essential information, an open-access database for DE materials has been recently created and presented in [1]. Following the same direction, this paper addresses the temperature effect on the visco-hyperelastic behavior of two DE candidates, namely a natural rubber (ZRUNEK A1040) and a well-known acrylic elastomer (3M VHB 4905). Measurements are performed on pure shear specimens placed in a climactic chamber. Experimental stress-strain curves are then provided, which makes it possible to predict hyperelasticity, plasticity, viscosity, and Mullins effect as function of the environmental temperature. Properties of these commercial elastomeric membranes are finally entered in the database and made available to the research community. |
| Sponsorship | Aerospace Division |
| File Format | |
| ISBN | 9780791846148 |
| DOI | 10.1115/SMASIS2014-7604 |
| Volume Number | Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation |
| Conference Proceedings | ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems |
| Language | English |
| Publisher Date | 2014-09-08 |
| Publisher Place | Newport, Rhode Island, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Viscosity Actuators Transducers Temperature Membranes Stress-strain curves Dielectric materials Elastomers Natural rubber Generators Electromechanical effects Engineering design processes Conducting polymers Errors Databases Active materials Plasticity Thermoelasticity Engineers Sensors Shear (mechanics) |
| Content Type | Text |
| Resource Type | Article |
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