Journal
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
Volume 157, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jmps.2021.104625
Keywords
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Funding
- DFG, Germany [STE 544/52-2, GRK2495/C]
- Engineering and Physical Sciences Research Council (EPSRC), United Kingdom [EP/R511614/1]
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The study presents a comprehensive experimental investigation on the behavior of electro-active polymers under thermo-electro-mechanical loads, aiming to develop a coupled model that closely replicates the polymer's response. The model is calibrated and validated with experimental data, showing excellent agreement with findings.
A comprehensive experimental study performed under a combination of thermo-electro-mechanical loads applied to a widely used electro-active polymer, is presented in the Part I of this work (Mehnert et al., 2021). Soft polymeric materials, used as base materials in electro-active polymers, are highly susceptible to temperature changes. Hence, thermal influences on their behavior have to be investigated precisely. Constitutive modeling and numerical simulation of electro-active polymers are active fields of current research. However, on the one hand, their experimental study under complex loading conditions is non-trivial. On the other hand, very few constitutive modeling approaches meet with experimental data obtained from thermo-electro-mechanical loading conditions. In this contribution, we aim to develop a thermo-electro-mechanically coupled model, which will closely replicate the response of an electro-active polymer investigated under a combination of thermal, electric and mechanical loads. Once the model is calibrated with the experimental data described in Part I of this contribution, it is validated with a different set of data, which shows excellent agreement with experimental findings.
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