Scar structures of natural animals can reinforce the wounds both mechanically and biologically to maintain the functions of the injured muscle and skin. Inspired by the scar structure, we present a dielectric elastomer (DE) with silver nanowire electrodes possessing the scar-like ability. This DE membrane can tolerate the failures by both electric breakdown and mechanical rupture. The DE actuator (DEA) can maintain their performances of force and displacement output after multiple failures. Scanning electronic microscope (SEM) images show that the scar-like structures accumulate around the electromechanical failure locations on the DE membrane as the stiffened and insulated regions, which prevent further short current and membrane rupture. J-integrals and stress distribution around the failure location have been calculated by finite element analysis to verify the mechanical reinforcements of the scar-like structures over crack propagation.
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March 2018
Research-Article
Scar-Like Self-Reinforced and Failure-Tolerant Dielectric Elastomer Actuator With AgNWs Electrode
Mingqi Zhang
,
Mingqi Zhang
Department of Engineering Mechanics,
Zhejiang University,
38 Zheda Road,
Hangzhou 310027, China
e-mail: zhangmq@zju.edu.cn
Zhejiang University,
38 Zheda Road,
Hangzhou 310027, China
e-mail: zhangmq@zju.edu.cn
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Yuhan Xie
,
Yuhan Xie
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: xieyuhan@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: xieyuhan@zju.edu.cn
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Tingge Yao
,
Tingge Yao
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: ytgytg13@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: ytgytg13@zju.edu.cn
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Xunuo Cao
,
Xunuo Cao
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: caoxn@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: caoxn@zju.edu.cn
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Zhen Zhang
,
Zhen Zhang
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: zhangzhen105@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: zhangzhen105@zju.edu.cn
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Guorui Li
,
Guorui Li
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: guoruili@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: guoruili@zju.edu.cn
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Zipeng Ma
,
Zipeng Ma
Department of Chemical and Biological
Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: mazipeng@zju.edu.cn
Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: mazipeng@zju.edu.cn
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Jie Mao
,
Jie Mao
Department of Chemical and Biological
Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: maoj@zju.edu.cn
Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: maoj@zju.edu.cn
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Tao Yang
,
Tao Yang
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: tao_yang@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: tao_yang@zju.edu.cn
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Yingwu Luo
,
Yingwu Luo
The State Key Laboratory of Chemical
Engineering,
College of Chemical and Biological Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: yingwu.luo@zju.edu.cn
Engineering,
College of Chemical and Biological Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: yingwu.luo@zju.edu.cn
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Tiefeng Li
Tiefeng Li
Key Laboratory of Soft Machines and
Smart Devices of Zhejiang Province,
Department of Engineering Mechanics,
Soft Matter Research Center (SMRC),
Zhejiang University,
Hangzhou 310027, China
e-mail: litiefeng@zju.edu.cn
Smart Devices of Zhejiang Province,
Department of Engineering Mechanics,
Soft Matter Research Center (SMRC),
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: litiefeng@zju.edu.cn
Search for other works by this author on:
Mingqi Zhang
Department of Engineering Mechanics,
Zhejiang University,
38 Zheda Road,
Hangzhou 310027, China
e-mail: zhangmq@zju.edu.cn
Zhejiang University,
38 Zheda Road,
Hangzhou 310027, China
e-mail: zhangmq@zju.edu.cn
Yuhan Xie
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: xieyuhan@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: xieyuhan@zju.edu.cn
Tingge Yao
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: ytgytg13@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: ytgytg13@zju.edu.cn
Xunuo Cao
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: caoxn@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: caoxn@zju.edu.cn
Zhen Zhang
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: zhangzhen105@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: zhangzhen105@zju.edu.cn
Guorui Li
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: guoruili@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: guoruili@zju.edu.cn
Zipeng Ma
Department of Chemical and Biological
Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: mazipeng@zju.edu.cn
Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: mazipeng@zju.edu.cn
Jie Mao
Department of Chemical and Biological
Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: maoj@zju.edu.cn
Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: maoj@zju.edu.cn
Tao Yang
Department of Engineering Mechanics,
Zhejiang University,
Hangzhou 310027, China
e-mail: tao_yang@zju.edu.cn
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: tao_yang@zju.edu.cn
Yingwu Luo
The State Key Laboratory of Chemical
Engineering,
College of Chemical and Biological Engineering,
Zhejiang University,
Hangzhou 310027, China
e-mail: yingwu.luo@zju.edu.cn
Engineering,
College of Chemical and Biological Engineering,
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: yingwu.luo@zju.edu.cn
Tiefeng Li
Key Laboratory of Soft Machines and
Smart Devices of Zhejiang Province,
Department of Engineering Mechanics,
Soft Matter Research Center (SMRC),
Zhejiang University,
Hangzhou 310027, China
e-mail: litiefeng@zju.edu.cn
Smart Devices of Zhejiang Province,
Department of Engineering Mechanics,
Soft Matter Research Center (SMRC),
Zhejiang University,
38 Zheda Road
,Hangzhou 310027, China
e-mail: litiefeng@zju.edu.cn
1Corresponding author.
Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received November 26, 2017; final manuscript received December 15, 2017; published online January 16, 2018. Editor: Yonggang Huang.
J. Appl. Mech. Mar 2018, 85(3): 031006 (6 pages)
Published Online: January 16, 2018
Article history
Received:
November 26, 2017
Revised:
December 15, 2017
Citation
Zhang, M., Xie, Y., Yao, T., Cao, X., Zhang, Z., Li, G., Ma, Z., Mao, J., Yang, T., Luo, Y., and Li, T. (January 16, 2018). "Scar-Like Self-Reinforced and Failure-Tolerant Dielectric Elastomer Actuator With AgNWs Electrode." ASME. J. Appl. Mech. March 2018; 85(3): 031006. https://doi.org/10.1115/1.4038809
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