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Influence of the Particle Size on the Rheology of Magnetorheological Elastomer

放大字体  缩小字体 发布日期:2014-11-12  来源:2014高层论坛论文集  作者:Qian Jin  浏览次数:410
 Influence of the Particle Size on the Rheology of Magnetorheological Elastomer
Qian Jin1,a, Yong-gang Xu1,b, Yang Di2,c, Hao Fan1,d
1School of Material Science and Engineering, Southwest Jiaotong University, P. R. of China
2School of Mechanical Science and Engineering, Southwest Jiaotong University, P. R. of China
aJinQian_Kim@163.com, byonggang2002@163.com, cuniquedy@163.com, d379813771@qq.com
Abstract. In this paper, the correlation between the particle size and rheological properties of MRE was discussed through both experimental results and theoretical analysis. It shows that the particle size can significantly influence the magnetorheological effect by changing the initial shear modulus   and the saturated magnetic-induced shear modulus  . With an increase in the particle size, the initial shear modulus   gets lower, and the saturated magnetic-induced shear modulus   increases to the maximum and then decreases. The larger the particle size is, the longer the distance between neighbor particles along the magnetic field is. Based on the relationship between the particle size and shear modulus, there exists an optimum size for added particles. Moreover, the performance of MRE can be improved by optimizing the particle size based on those rules.
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