Abstract
In this study, starting from the mechanism of ionic-polymer metal composites (IPMC) blocking force and displacement, the steady state of IPMC with maximum driving force is analyzed, and the mathematical model of displacement and blocking force of IPMC is established. The displacement and blocking force of Pt-IPMC are measured, and the proposed mathematical model is verified. The results show that with the increase in voltage, IPMC shows the tendency of increasing first and then decreasing. It is concluded that there is a nonlinear quartic polynomial relationship from microforce analysis between voltage and displacement, voltage and force, and the relative error verified by experiments is less than 10%. The theoretical model proposed in the paper can well reflect the relationship between voltage and displacement, and force, which provides a basis for the further application and theoretical basic modeling of IPMC.
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The authors acknowledge the financial assistance from the Key Science and Technology Program of Shaanxi Province, China, 2016KTZDGY-02-03.
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Yang, L., Zhang, D., Zhang, X. et al. Models of displacement and blocking force of ionic-polymer metal composites based on actuation mechanism. Appl. Phys. A 126, 365 (2020). https://doi.org/10.1007/s00339-020-03546-x
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DOI: https://doi.org/10.1007/s00339-020-03546-x