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22 April 2020 Effect of humidity, temperature, and elastomer material on the lifetime of silicone-based dielectric elastomer actuators under a constant DC electric field (Conference Presentation)
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Abstract
This work presents how the lifetime of silicone-based dielectric elastomer actuators (DEAs) is affected by the choice of silicone elastomer material, humidity and temperature at constant DC electric fields and membrane prestretch. High (>50%RH) humidity levels are found to significantly decrease the lifetime of silicone-based DEAs under DC actuation, whereas temperature and the type of silicone elastomer have a more limited impact. Under a constant DC electric field of 83V/μm and a membrane prestretch of 1.3, all DEAs operating at 80°C – 90%RH fail within 24 hours whereas DEAs actuated at 20°C – 10%RH all survive over 14 days without any failure.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fabio Beco Albuquerque and Herbert Shea "Effect of humidity, temperature, and elastomer material on the lifetime of silicone-based dielectric elastomer actuators under a constant DC electric field (Conference Presentation)", Proc. SPIE 11375, Electroactive Polymer Actuators and Devices (EAPAD) XXII, 113751E (22 April 2020); https://doi.org/10.1117/12.2558428
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