Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 611, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2020.125756
Keywords
magnetorheological; SPG membrane; composite particle; magnetic particle
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Funding
- National Research Foundation of Korea [2019R1H1A210204711]
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Fe3O4-PMMA magnetic composite nanoparticles were fabricated using the Shirasu porous glass membrane process and exhibited magneto-responsive magnetorheological (MR) behavior in silicone oil, showing promising potential for a wide range of MR applications.
We fabricated Fe3O4-polymethylmethacrylate (PMMA) magnetic composite nanoparticles using the Shirasu porous glass membrane process and investigated the magneto-responsive magnetorheological (MR) response of them under various applied magnetic fields when dispersed in silicone oil. The morphology and structure of the particles were observed through transmission electron microscopy, Fourier Transform-infrared spectroscopy, and X-ray diffraction. In addition, a typical MR behavior was confirmed when the MR fluid of the Fe3O4-PMMA nanoparticles was evaluated by a rotation rheometer under applied magnetic fields. The synthesized Fe3O4-PMMA magnetic composite nanoparticles exhibited a promising potential for application in a wide range of MR application prospects owing to its appropriate size, lower density, and better sedimentation stability.
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