Modeling of Magneto-Rheological Elastomers for Harmonic Shear Deformation

Magneto-rheological elastomers (MREs) are a class of smart materials which can adjust their modulus or stiffness by an applied magnetic field. Thus, MREs can be used as controllable stiffness elements in various engineering systems. In order to use them for engineering applications, characterization...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2012-11, Vol.48 (11), p.3080-3083
Main Authors: Eem, Seung-Hyun, Jung, Hyung-Jo, Koo, Jeong-Hoi
Format: Article
Language:English
Subjects:
Behavior
Cross-disciplinary physics: materials science
rheology
Dynamic model
Dynamics
Economic models
Exact sciences and technology
Force
harmonic loading
hysteresis
Load modeling
Loading
Magnetic hysteresis
Magnetism
magneto-rheological elastomers
Magnetomechanical effects
Materials science
Mathematical model
Other topics in materials science
Physics
shear deformation
Studies
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Description
Summary:Magneto-rheological elastomers (MREs) are a class of smart materials which can adjust their modulus or stiffness by an applied magnetic field. Thus, MREs can be used as controllable stiffness elements in various engineering systems. In order to use them for engineering applications, characterizations of MRE behaviors under magnetic fields and developments of dynamic models (such as a phenomenological model) that can capture the behaviors must be studied well. This paper focuses on modeling of MRE samples under shear deformation, which is a common mode of operation of MRE materials in structural engineering. It proposes a dynamic model that combines the Ramberg-Osgood model and the Maxwell model. The model is validated using experimental characterization test data. The results show that the proposed dynamic model can be effectively used for predicting the dynamic behavior of MREs under shear deformation.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2012.2205140