9 April 2010 Effects of anisotropic surface texture on the performance of ionic polymer-metal composite (IPMC)
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Abstract
Ionic polymer metal composite (IPMC), an electrically activated polymer (EAP), has attracted great attention for the excellent properties such as large deformation, light weight, low noise, flexibility and low driving voltages, which makes the material a possible application as artificial muscle if the output force can be increased. To improve the property, we manufactured the Nafion membrane by casting from liquid solution, modified the surface by sandblasting or polishing, and obtained the isotropic and anisotropic surface texture respectively. The microstructure of the Nafion surface and metal electrode, effects of surface texture on the output force and displacement of IPMC were studied. Results show that the output force of IPMC with the anisotropic surface texture is 2~4 times higher than that with the isotropic surface texture without enormous sacrifice of the displacement. The output force may reach to 6.63gf (Sinusoidal 3.5V and 0.1Hz, length 20mm, width 5mm and thickness 0.66mm), which suggest an effective way to improve the mechanical properties of IPMC.
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Qingsong He, Min Yu, Haitao Ding, Dongjie Guo, Zhendong Dai, "Effects of anisotropic surface texture on the performance of ionic polymer-metal composite (IPMC)", Proc. SPIE 7642, Electroactive Polymer Actuators and Devices (EAPAD) 2010, 76420Y (9 April 2010); doi: 10.1117/12.847768; https://doi.org/10.1117/12.847768
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