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Long-term degradation of the ionic electroactive polymer actuators

Punning, A.; Must, I.; Põldsalu, I.; Vunder, V.; Kaasik, F.; Temmer, R.; Aabloo, A. (2015). Long-term degradation of the ionic electroactive polymer actuators. Proceedings of SPIE - The International Society for Optical Engineering, 9430. SPIE, 94300S.10.1117/12.2084201.
publitseeritud konverentsiettekanne
Punning, A.; Must, I.; Põldsalu, I.; Vunder, V.; Kaasik, F.; Temmer, R.; Aabloo, A.
  • Inglise
Proceedings of SPIE - The International Society for Optical Engineering
Proceedings of SPIE - The International Society for Optical Engineering
SPIE
0277-786X
9430
January
2015
94300S
Ilmunud
3.1. Artiklid/peatükid lisas loetletud kirjastuste välja antud kogumikes (kaasa arvatud Thomson Reuters Book Citation Index, Thomson Reuters Conference Proceedings Citation Index, Scopus refereeritud kogumikud)

Viited terviktekstile

dx.doi.org/10.1117/12.2084201

Seotud asutused

University of Tartu

Lisainfo

© 2015 SPIE. The research is focused on lifetime and degradation of ionic electroactive polymer actuators (IEAP). The lifetime measurements were carried out using identical methodology upon the different IEAP types. The experiment conducted with large number of samples shows that two types of degradation have serious effect to the IEAPs: degradation during operation and spontaneous self-degradation. Additionally, two ways of occasional damage decrease their overall reliability. In the scope of the current paper we describe degradation of two different types of IEAP actuators: with carbonaceous electrodes and with conducting polymer electrodes. Nevertheless, the common evolutionary trends, rather than the comparative data analysis or formal statistics of all particular samples, are given. Analyzing the electromechanical and electrical impedances of the samples during their whole lifetime, we have found that observing the electric current gives adequate information about the degradation level of any IEAP actuator. Moreover, tracking this electrically measurable parameter enables detecting the occasional damage of an actuator.
actuator | degradation | EAP | ionic lectroactive polymer