Experimental and Modeling Study on Magnetorheological Elastomers with Different Matrices
Publication: Journal of Materials in Civil Engineering
Volume 25, Issue 11
Abstract
In this paper the physical and dynamic mechanical property tests of magnetorheological elastomers (MREs) are reported. Two kinds of MREs with different matrices, about 12 samples in total, are fabricated by mixing carbonyl iron powder and additives, and cured by using a constant magnetic field. The physical and dynamic viscoelastic properties of these MRE specimens are evaluated with respect to different magnetic fields, displacement amplitudes, and frequencies. The experimental results demonstrate that MREs have variable stiffness and the loss factor of the samples with bromobutyl rubber is high, which shows a good damping property. The proposed magnetoviscoelasticity parameter model is then verified by comparing the experimental and numerical results, which demonstrate that the magnetoviscoelasticity parameter model can describe the MRE performance well.
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Acknowledgments
The writers’ paper was financially supported by the National Natural Science Foundation of China (61004064), NSAF of China (11176008), Jiangsu Province Brace Program (BE2010069) project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (CE02-1/2-019), Scientific Research Foundation of the Graduate School of Southeast University (YBJJ1128), and the Postgraduate Research and Innovation Project of the Universities in Jiangsu Province (CXZZ_0160). These supports are gratefully acknowledged.
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© 2013 American Society of Civil Engineers.
History
Received: Aug 21, 2012
Accepted: Oct 30, 2012
Published online: Oct 15, 2013
Published in print: Nov 1, 2013
Discussion open until: Mar 15, 2014
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