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Two-dimensional Fe3O4/MoS2 nanocomposites for magnetorheological fluid with enhanced sedimentation stability

Abstract

Superparamagnetic Fe3O4 nanoparticles were successfully deposited on the surface of MoS2 nanosheets (Fe3O4/MoS2) by a sonochemical method and the obtained Fe3O4/MoS2 nanocomposites were used as a promising candidate for magnetorheological (MR) fluid. This MR fluid was prepared by the Fe3O4/MoS2 nanocomposites and its corresponding MR performances were examined with a rotational rheometer. The MR fluid based on Fe3O4/MoS2 showed typical MR effect with increasing viscosity, shear stress, yield stress and dynamic shear modulus depending on the applied magnetic fields. Compared with commercial carbonyl iron (CI) particles, the sedimentation stability of Fe3O4/MoS2-MR fluid was greatly improved because of the unique two-dimensional structure and the reduced fluid-particle density mismatch. Therefore, the prepared Fe3O4/MoS2-based MR fluid with typical MR effect and good sedimentation stability would have a great potential in practical applications.

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Publication details

The article was received on 11 Dec 2017, accepted on 24 Jan 2018 and first published on 24 Jan 2018


Article type: Paper
DOI: 10.1039/C7SM02425H
Citation: Soft Matter, 2018, Accepted Manuscript
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    Two-dimensional Fe3O4/MoS2 nanocomposites for magnetorheological fluid with enhanced sedimentation stability

    G. Wang, Y. Ma, G. Cui, N. Li and X. Dong, Soft Matter, 2018, Accepted Manuscript , DOI: 10.1039/C7SM02425H

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