Issue 46, 2016

Elongated micro-structures in magneto-sensitive elastomers: a dipolar mean field model

Abstract

Based on a dipole model for the mutual magnetic interactions among the magnetizable micro-particles in magneto-sensitive elastomers we develop a mean field approach to describe the arrangement of these particles into elongated micro-structures. If these micro-structures are oriented parallel to an external magnetic field the present approach provides an efficient calculation of the behavior of such samples, which is a result of the interplay between micro-structure and shape effects. Accordingly, we are able to draw comprehensive phase diagrams for the resultant deformation and predict for very oblate samples a discontinuous shape change in the presence of a homogeneous external field.

Graphical abstract: Elongated micro-structures in magneto-sensitive elastomers: a dipolar mean field model

Article information

Article type
Paper
Submitted
04 Aug 2016
Accepted
20 Oct 2016
First published
24 Oct 2016

Soft Matter, 2016,12, 9364-9376

Elongated micro-structures in magneto-sensitive elastomers: a dipolar mean field model

D. Romeis, V. Toshchevikov and M. Saphiannikova, Soft Matter, 2016, 12, 9364 DOI: 10.1039/C6SM01798C

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