Journal
NANOTECHNOLOGY REVIEWS
Volume 11, Issue 1, Pages 1068-1075Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/ntrev-2022-0061
Keywords
EAP; dielectric elastomer; actuation; microconformation
Categories
Funding
- China Scholarship Council [202006280409]
- PhD research startup foundation of Yan'an University [YDBK2021-09]
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This study analyzed the actuation performance of cone dielectric elastomer actuator and found that the output displacement and force of DEA increase with the increase of loading voltage and additional load. The design with different domain ratios is a key factor that influences the performance of DEA actuator.
Dielectric elastomer (DE) is widely used in various fields because of its advantages of large deformation, lightweight, and good flexibility. In this article, based on our previous research work, the actuation performance of the cone dielectric elastomer actuator (DEA) is studied first, and the influence of loading voltage, domain ratio, and additional load on the displacement and output force of DEA is analyzed and discussed. Then, a three-dimensional model of displacement and force of DEA is established. At last, the relationship between the structure and the performance of DE is discussed from the microscopic point of view. The results show that the output displacement and force of the cone DEA increase with the increase of loading voltage and additional load. The three-dimensional model graph of cone DEA can reflect the performance change of DEA well. The design with different domain ratios is the key factor that influences the final DEA actuator, which has a great influence on the cross-link density and chain length in the DE structure. By making clear the regulating function of external environment factors, we can design DEA with different configurations, which lays a good foundation for the further development of DEA and enlarges the potential application scope of DEA.
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