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Application of monodisperse Fe3O4 submicrospheres in magnetorheological fluids

Anupama, AV and Kumaran, V and Sahoo, B (2018) Application of monodisperse Fe3O4 submicrospheres in magnetorheological fluids. In: JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 67 . pp. 347-357.

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Official URL: http://dx.doi.org/10.1016/j.jiec.2018.07.006

Abstract

Steady shear response of a magnetorheological fluid (MRF) system containing porous mono-disperse magnetite (Fe3O4) spheres synthesized by solvothermal method is demonstrated. In applied magnetic field the interaction between the spherical particles leads to form strong columnar structures enhancing the yield strength and viscosity of the MRFs. The yield strengths of the MRFs also scale up with the concentration of magnetic particles in the fluid. Considering magnetic dipolar interaction between the particles the magneto-mechanical response of the MRFs is explained. Unlike metallic iron particles, the low-density corrosion resistant soft-ferrimagnetic Fe3O4 spherical particles make our studied MRF system efficient and reliable for shock-mitigation/vibration-isolation applications. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belong to ELSEVIER SCIENCE INC
Keywords: Fe3O4 spheres; Solvothermal synthesis; Magnetorheological fluid; Dynamic yield stress; Magnetostatic interaction in fluid
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Mechanical Sciences > Chemical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 12 Nov 2018 15:43
Last Modified: 12 Nov 2018 15:43
URI: http://eprints.iisc.ac.in/id/eprint/61015

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