Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 304, Issue 1, Pages E374-E376Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2006.02.055
Keywords
Magnetorheology; Carbonyl iron; Poly(methyl methacrylate); Core shell
Funding
- KOSEF
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Core-shell structured magnetic carbonyl iron (CI)-poly(methyl methacrylate) (PMMA) particles were fabricated via CI-seeded dispersion polymerization method, in order to enhance dispersion stability of their magnetorheological (MR) fluid when dispersed in mineral oil. The rheological properties of MR fluid with core-shell structured magnetic particles were then measured via a rotational rheometer with a magnetic field generator. It was found that the synthesized core-shell structured encapsulated CI particles possess better dispersion stability in suspending oil than bare CI particle suspension, due to the density reduction of the particles. (C) 2006 Elsevier B. V. All rights reserved.
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