期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 67, 期 -, 页码 347-357出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.07.006
关键词
Fe3O4 spheres; Solvothermal synthesis; Magnetorheological fluid; Dynamic yield stress; Magnetostatic interaction in fluid
资金
- ISRO-IISc Space Technology Cell [ISTC/CMR/BS/355]
- J. R. D. Tata Trust [DST-1696]
- Department of Science and Technology, Government of India [DST-1696]
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.
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