Abstract
The dielectric elastomer (DE) has the advantages of large deformation ability, fast response speed, low price and high energy density. Therefore, DE has great prospects as artificial muscle and flexible robot. The purpose of the research is to clarify the mechanical behavior for acrylate dielectric elastomer by tensile test, fatigue test and viscoelasticity measurement.
Highlights
The dielectric elastomer (DE) as a kind of soft materials with flexible characteristics was widely applied to a variety of industries
Characteristics like large strain, high stress, high energy density, great efficiency and fast response are required for the actuator applications. [1,2] For example, under the control of mechanical force, [3] it shows the action of great deformation and other features
This article aims at analyzing the relationship between stress and strain of acrylate DEs under tensile test, fatigue test and viscoelasticity test
Summary
The DE as a kind of soft materials with flexible characteristics was widely applied to a variety of industries. Characteristics like large strain, high stress, high energy density, great efficiency and fast response are required for the actuator applications. The special requirements for soft materials depend on the actuator type and its foreseen application. The acrylate DEs from 3M company have been widely used for actuators, [5] showing great performances with large actuator strain. Their durability and viscoelasticity are not well understood for life prediction and mechanical design. The cyclic deformation and effects of frequency on viscoelasticity were studied for the materials screening for the actuator applications
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