Modeling of the Field-Induced Plasticity of Soft Magnetic Elastomers

Author:

Melenev Petr1,Raikher Yuriy2,Stepanov Gennady3,Rusakov Victor2,Polygalova Larisa4

Affiliation:

1. Laboratory of Complex Fluids, Institute of Continuous Media Mechanics, Ural Branch of Russian Academy of Sciences, Perm, Russia,

2. Laboratory of Complex Fluids, Institute of Continuous Media Mechanics, Ural Branch of Russian Academy of Sciences, Perm, Russia

3. State Research Institute of Chemistry and Technology of Organoelement Compounds (GNKhTEOS), Moscow, Russia

4. Department of Applied Mathematics and Mechanics, Perm State Technical University, Perm, Russia

Abstract

A phenomenological model is proposed to describe the plasticity of soft magnetic elastomer composites under an external field. Along with high elasticity, internal dry friction is introduced whose origin is attributed to the dipole-dipole interaction of the embedded particles. Numerical estimates of the model parameters are obtained from comparison with the measurements performed on iron carbonyl dispersions in soft silicon-rubber matrices.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

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