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Published in: Colloid and Polymer Science 4/2013

01-04-2013 | Original Contribution

Xanthan gum-coated soft magnetic carbonyl iron composite particles and their magnetorheology

Authors: Hyung Hoon Sim, Seung Hyuk Kwon, Hyoung Jin Choi

Published in: Colloid and Polymer Science | Issue 4/2013

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Abstract

The dispersion stability of carbonyl iron (CI)-based magnetorheological (MR) fluid was improved by coating soft magnetic CI particles with an environmentally benign biopolymer of xanthan gum to reduce the density gap between the medium oil and dispersed particles. The sedimentation test of the MR fluid showed that the xanthan gum/CI composite particles improved the sedimentation drawback of the pristine CI-based MR fluid. The rheological properties of the MR fluid were also examined using a rotational rheometer to observe the typical MR characteristics, such as yield stress and shear viscosity.

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Metadata
Title
Xanthan gum-coated soft magnetic carbonyl iron composite particles and their magnetorheology
Authors
Hyung Hoon Sim
Seung Hyuk Kwon
Hyoung Jin Choi
Publication date
01-04-2013
Publisher
Springer-Verlag
Published in
Colloid and Polymer Science / Issue 4/2013
Print ISSN: 0303-402X
Electronic ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-012-2816-6

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