Coating of magnetic particle with polystyrene and its magnetorheological characterization

Magnetic composite particles were prepared via dispersion polymerization of styrene in the presence of γ‐Fe2O3 nanoparticles. The fabricated magnetic composite nanoparticles were dispersed into non‐magnetic suspending media to be adopted for magnetorheological (MR) fluid, whose rheological propertie...

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Veröffentlicht in:	Physica status solidi. A, Applications and materials science Applications and materials science, 2007-12, Vol.204 (12), p.4178-4181
Hauptverfasser:	Kim, Yoon Hee, Park, Bong Jun, Choi, Hyoung Jin, Seo, Yongsok
Format:	Artikel
Sprache:	eng
Schlagworte:	47.65.Cb 75.75.+a Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Electro- and magnetorheological fluids Exact sciences and technology Magnetic properties and materials Material types Physics Rheology Small particles and nanoscale materials Studies of specific magnetic materials
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Beschreibung
Zusammenfassung:	Magnetic composite particles were prepared via dispersion polymerization of styrene in the presence of γ‐Fe2O3 nanoparticles. The fabricated magnetic composite nanoparticles were dispersed into non‐magnetic suspending media to be adopted for magnetorheological (MR) fluid, whose rheological properties can be drastically changed in the external magnetic field. The MR efficiency of γ‐Fe2O3/polystyrene composite based fluid was examined by a rotational rheometer equipped with a magnetic field supplier. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:	1862-6300 0031-8965 1862-6319
DOI:	10.1002/pssa.200777353