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Analysis and Research of Magnetorheological Elastomers Piezoresistive Conductivity
Qiang Liu,Linjing Xiao,Qinghui Song,Yamin Fan 한국자기학회 2018 Journal of Magnetics Vol.23 No.3
On the basis of particle structure analysis, this paper studies the conductive mechanism of magnetorheological elastomers (MRE), and verifies the MRE conduction mechanism model based on the combination of tunnel current and conduction current. The piezoelectric characteristic of MRE is analyzed theoretically and the basic theoretical model of piezoelectric is established. A set of MRE piezoelectric characteristic test device has been designed independently. The test device is used to test the resistance values of MRE samples prepared in this experiment. Finally, the test results of each group are analyzed and compared, and the results show that this element can realize the stability test of MRE piezoelectric conductivity. Under different orders of magnitude, the low particle volume content is more sensitive to the conductivity of MRE samples, and the current flowing through the MRE sample shows a significantly non-linear relationship with the voltage applied to the sample.