The fabrication and the identification of damping properties of magnetorheological composites for energy dissipation

The fabrication and the identification of damping properties of magnetorheological composites for... The paper presents experimentally characterises properties of magnetorheological composites (MRC) in terms of their application as the energy dissipating materials. Composite specimens saturated with various contents of magnetorheological fluid, the matrix of which was polyurethane material, were prepared. The obtained composites were tested in conditions of cyclic shearing in order to determine the parameters of damping. A focus was on influence of the following parameters: a share of magnetorheological fluid in MRC, value of the magnetic field intensity H, as well as the magnitude γ and frequency f of strain. The study results have been presented in the form of hysteresis loops in the τ(γ) stress-strain system. As the quantity representing energy dissipated by the composites the ΔW area of those loops was assumed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Composite Structures Elsevier

The fabrication and the identification of damping properties of magnetorheological composites for energy dissipation

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0263-8223
eISSN
1879-1085
D.O.I.
10.1016/j.compstruct.2018.01.077
Publisher site
See Article on Publisher Site

Abstract

The paper presents experimentally characterises properties of magnetorheological composites (MRC) in terms of their application as the energy dissipating materials. Composite specimens saturated with various contents of magnetorheological fluid, the matrix of which was polyurethane material, were prepared. The obtained composites were tested in conditions of cyclic shearing in order to determine the parameters of damping. A focus was on influence of the following parameters: a share of magnetorheological fluid in MRC, value of the magnetic field intensity H, as well as the magnitude γ and frequency f of strain. The study results have been presented in the form of hysteresis loops in the τ(γ) stress-strain system. As the quantity representing energy dissipated by the composites the ΔW area of those loops was assumed.

Journal

Composite StructuresElsevier

Published: Apr 1, 2018

References

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