Fatigue life performances of silicone elastomer membranes for dielectric elastomer transducers: preliminary results

Yi Chen; Lorenzo Agostini; Giacomo Moretti; Giovanni Berselli; Marco Fontana; Rocco Vertechy

doi:10.1117/12.2515312

13 March 2019 Fatigue life performances of silicone elastomer membranes for dielectric elastomer transducers: preliminary results

Yi Chen, Lorenzo Agostini, Giacomo Moretti, Giovanni Berselli, Marco Fontana, Rocco Vertechy

Author Affiliations +

Proceedings Volume 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI; 1096616 (2019) https://doi.org/10.1117/12.2515312
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

Dielectric Elastomer Transducers (DETs) are a promising technology for the development of actuators, generators and sensors with high performance and low cost. Practical application and economic viability of DETs is strongly affected by their reliability and lifetime, which depend on the maximum strain and electrical loads that are cyclically applied on such devices. To date, only limited information is available on the fatigue life performances of dielectric elastomer materials and of the transducers made thereof. This paper reports on a first lifetime constant electric-stress test campaign conducted on 38 free-expanding frame-stretched circular DET specimens, made of the silicone elastomer film Elastosil 2030 250/150 by Wacker with blade-casted carbon-black silicone-elastomer electrodes, that have been subjected to nearly square wave electric field signals with 1 Hz frequency, 50% duty cycle and with amplitudes ranging from 65 MV/m to 80 MV/m.

Conference Presentation

Citation Download Citation

Yi Chen, Lorenzo Agostini, Giacomo Moretti, Giovanni Berselli, Marco Fontana, and Rocco Vertechy "Fatigue life performances of silicone elastomer membranes for dielectric elastomer transducers: preliminary results", Proc. SPIE 10966, Electroactive Polymer Actuators and Devices (EAPAD) XXI, 1096616 (13 March 2019); https://doi.org/10.1117/12.2515312

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