Issue 6, 2014
From the journal:

Soft Matter

Magneto-induced stress enhancing effect in a colloidal suspension of paramagnetic and superparamagnetic particles dispersed in a ferrofluid medium†

Taixiang Liu,a   Xinglong Gong,*a   Yangguang Xua  and  Shouhu Xuan*a  

* Corresponding authors

a CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei, Anhui, China
E-mail: gongxl@ustc.edu.cn, xuansh@ustc.edu.cn
Fax: +86 551 63600419
Tel: +86 551 63600419

Abstract

The magneto-induced stress and relative microstructure in a colloidal suspension of paramagnetic and superparamagnetic particles dispersed in a ferrofluid medium is studied using particle-level dynamics simulation. It shows that the stress perpendicular to the direction of an external uniaxial magnetic field can be strongly enhanced by increasing the ratio of paramagnetic particles to approaching that of superparamagnetic particles. The magnetic field-induced net-like or embedded chain-like microstructures formed by paramagnetic and superparamagnetic particles contribute to this stress enhancing effect.

Graphical abstract: Magneto-induced stress enhancing effect in a colloidal suspension of paramagnetic and superparamagnetic particles dispersed in a ferrofluid medium

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Article information

DOI
https://doi.org/10.1039/C3SM52865K
Article type
Communication
Submitted
13 Nov 2013
Accepted
27 Nov 2013
First published
28 Nov 2013

Soft Matter, 2014,10, 813-818

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Magneto-induced stress enhancing effect in a colloidal suspension of paramagnetic and superparamagnetic particles dispersed in a ferrofluid medium

T. Liu, X. Gong, Y. Xu and S. Xuan, Soft Matter, 2014, 10, 813 DOI: 10.1039/C3SM52865K

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