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Sensors 2017, 17(2), 346; doi:10.3390/s17020346

Development of a Hybrid Piezo Natural Rubber Piezoelectricity and Piezoresistivity Sensor with Magnetic Clusters Made by Electric and Magnetic Field Assistance and Filling with Magnetic Compound Fluid

1
Faculty of Symbiotic Systems Sciences, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
2
Department of Human System Interaction, Kansai Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 16 December 2016 / Revised: 27 January 2017 / Accepted: 7 February 2017 / Published: 10 February 2017
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [2826 KB, uploaded 15 February 2017]   |  

Abstract

Piezoelements used in robotics require large elasticity and extensibility to be installed in an artificial robot skin. However, the piezoelements used until recently are vulnerable to large forces because of the thin solid materials employed. To resolve this issue, we utilized a natural rubber and applied our proposed new method of aiding with magnetic and electric fields as well as filling with magnetic compound fluid (MCF) and doping. We have verified the piezoproperties of the resulting MCF rubber. The effect of the created magnetic clusters is featured in a new two types of multilayered structures of the piezoelement. By measuring the piezoelectricity response to pressure, the synergetic effects of the magnetic clusters, the doping and the electric polymerization on the piezoelectric effect were clarified. In addition, by examining the relation between the piezoelectricity and the piezoresistivity created in the MCF piezo element, we propose a hybrid piezoelement. View Full-Text
Keywords: sensor; piezoelement; piezoelectricity; piezoresistivity; hybrid; electrolytic polymerization; magnetic field; magnetic cluster; natural rubber; magnetic compound fluid (MCF); magnetic fluid; isoprene; filler sensor; piezoelement; piezoelectricity; piezoresistivity; hybrid; electrolytic polymerization; magnetic field; magnetic cluster; natural rubber; magnetic compound fluid (MCF); magnetic fluid; isoprene; filler
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Shimada, K.; Saga, N. Development of a Hybrid Piezo Natural Rubber Piezoelectricity and Piezoresistivity Sensor with Magnetic Clusters Made by Electric and Magnetic Field Assistance and Filling with Magnetic Compound Fluid. Sensors 2017, 17, 346.

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