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	Large deformation analysis of a dielectric elastomer membrane-spring system
	He, Tianhu; Cui, Leilei; Chen, Cheng
	2009
关键词	dielectric elastomer out-of-plane deformation membrane transducer polymer
卷号	7493
DOI	10.1117/12.840905
英文摘要	Due to the capability of large strain, dielectric elastomers are promising for applications as transducers in cameras, robots, valves, pumps, energy harvesters and so on. The dielectric elastomer transducers are based on the deformation of a soft polymer membrane contracting in thickness and expanding in area, which is induced by the application of a voltage across the two compliant electrodes coated on both sides of the membrane. This paper focuses on the large deformation analysis of a dielectric elastomer membrane-spring system. The system is constructed from attaching a disk in the middle of a circular dielectric membrane and then connecting the disk with a spring. This configuration can be potentially used as a key part in valves. The basic governing equations describing the large out-of-plane deformations are formulated, and the obtained equations are solved numerically. The relations related to the displacement of the disk, the spring force, the applied voltage, and the parameters of spring including stiffness and initial length are illustrated. The results show the anticipated displacement of the disk can be controlled by adjusting the parameters of spring and the applied voltage individually or simultaneously, and the parameters of the spring, that is, stiffness and initial length, play an important role in the performance of the membrane-spring system.
会议录	SECOND INTERNATIONAL CONFERENCE ON SMART MATERIALS AND NANOTECHNOLOGY IN ENGINEERING
会议录出版者	SPIE-INT SOC OPTICAL ENGINEERING
会议录出版地	1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
语种	英语
WOS研究方向	Science & Technology - Other Topics ; Materials Science ; Optics
WOS记录号	WOS:000310681100196
内容类型	会议论文
源URL	[http://119.78.100.223/handle/2XXMBERH/37812]
专题	研究生院
通讯作者	He, Tianhu
作者单位	Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	He, Tianhu,Cui, Leilei,Chen, Cheng. Large deformation analysis of a dielectric elastomer membrane-spring system[C]. 见:.

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