Morphology characterization and failure mechanism investigation of Ag-IPMC

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• 作者：Xu Yan (1) (2)
  Zhao Gang (1)
  Zhu Yuming (1)
  Sun Zhuangzhi (1)
  
  1. College of Mechanical and Electrical Engineering ; Harbin Engineering University ; Harbin ; 150001 ; China
  2. Engineering Training Center ; Harbin Engineering University ; Harbin ; 150001 ; China
  
• 关键词：IPMC ; Actuating characteristic ; Scanning electron microscope ; Microstructure ; Failure mechanism
• 刊名：Ionics
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：21
• 期：4
• 页码：1089-1094
• 全文大小：810 KB
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  4. Shahinpoor, M, Kim, KJ (2002) Novel ionic polymer-metal composites equipped with physically loaded particulate electrodes as biomimetic sensors, actuators and artificial muscles. Sensors Actuators A Phys 96: pp. 125-132 CrossRef
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760

文摘

In order to prolong the service life and to identify the failure mechanism of ionic polymer metal composites (IPMC), Ag-IPMC strips were prepared and were analyzed experimentally and through simulations to investigate the actuating characteristic of IPMC. The surface morphology of active and inactive Ag-IPMC is characterized by electron microscope to analyze the change rules of surface microstructure before and after the failure of IPMC and study the influence of surface microstructure changes on movement failure. Results indicate that the clad layer of active Ag-IPMC surfaces is prepared well, and the Ag-cladded layer has a good electrical conductivity, which provides an environment of steady electric field for the ion exchange in inophragma; the Ag-cladded layer of Ag-IPMC surfaces is destroyed under the effect of current, making the structure of the clad layer to generate the structure similar to fracture and to increase the contact resistance of Ag-IPMC surfaces, leading to the failure of Ag-IPMC.