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Fabrication of Magnetite Nanoparticle-embedded Polystyrene Composites and Their Additive Role on the Dynamic Properties of Carbonyl Iron-based Magneto-rheological Fluids

Title
Fabrication of Magnetite Nanoparticle-embedded Polystyrene Composites and Their Additive Role on the Dynamic Properties of Carbonyl Iron-based Magneto-rheological Fluids
Authors
Gao, Chun YanLu, QiChoi, Hyoung JinKim, Nam-HuiYou, Chun-Yeol
DGIST Authors
You, Chun-Yeol
Issue Date
2019-03
Citation
Journal of Magnetics, 24(1), 162-167
Type
Article
Article Type
Article; Proceedings Paper
Author Keywords
carbonyl ironFe3O4 compositemagnetorheologicaladditive
Keywords
MAGNETORHEOLOGICAL FLUIDSPARTICLES
ISSN
1226-1750
Abstract
Magnetic Fe 3 O 4 @polystyrene (PS) nanoscale composite particles were fabricated using a unique Shirasu porous-glass membrane technique and used as additives to a magnetorheological (MR) suspension with magnetic carbonyl-iron (CI) particles. The morphology of the fabricated Fe 3 O 4 @PS composites was characterized by transmission electron microscopy. The effects of the Fe 3 O 4 @PS composite particle additive on its MR behavior was examined using a rotation rheometer under an applied magnetic field. The results revealed improved MR behavior, such as higher storage and loss moduli, and elastic yield stress compared to those of the pure CI-based MR suspension under an external magnetic field. © The Korean Magnetics Society. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/9774
DOI
10.4283/JMAG.2019.24.1.162
Publisher
한국자기학회
Related Researcher
  • Author You, Chun-Yeol Spin Phenomena for Information Nano-devices(SPIN) Lab
  • Research Interests Spintronics; Condensed Matter Physics; Magnetic Materials & Thin Films; Micromagnetic Simulations; Spin Nano-Devices
Files:
There are no files associated with this item.
Collection:
Department of Emerging Materials ScienceSpin Phenomena for Information Nano-devices(SPIN) Lab1. Journal Articles


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