2019•Journal of Physics Conference SeriesOpen access

Effect of different volume fraction magnetorheological fluids on its shear properties

Sun Hui-min, Xuli Zhu, Nannan Liu, Mou Jiefeng, Liang Li, Shixu Li

Abstract

In order to study the relationship between shear stress and volume fraction and shear rate of MRFs, four kinds of MRFs with different volume ratios were prepared. The shear stress of MRFs at different shear rates was tested by rheometer. The shear stress expression of MRFs is obtained by fitting and analyzing the experimental data. The experimental results show that under the same volume fraction, the shear stress of MRF increases slowly, and the apparent viscosity decreases exponentially with the increase of shear rate.

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Key concepts: Rheometer, Shear rate, Volume fraction, Shear stress, Materials science, Shear (geology), Magnetorheological fluid, Apparent viscosity