Experimental study on vibration characteristics of sandwich beams with aluminum skins and magnetorheological elastomer cores
نویسندگان
چکیده
Magnetorheological elastomer (MRE) material consisting of a natural or synthetic rubber filled with micron sized iron particles is a smart material whose properties can be controlled by a magnetic field. In this paper, experimental study on the dynamic characteristics of an MRE core embedded sandwich beam is carried out. Frequency responses from experimental results on MRE cored sandwich beams are obtained from samples placed in a specially designed test rig. The dynamic responses are characterised and localised magnetic field effects, boundary condition effects and damping effects are analysed. MRE cored sandwich beams with aluminium skins offer potentially advantageous features of adaptiveness of dynamic properties for vibration reductions.
منابع مشابه
Experimental investigation of the vibration characteristics of a magnetorheological elastomer sandwich beam under non-homogeneous small magnetic fields
In this study, a magnetorheological elastomer (MRE) was manufactured and tested, and a MRE sandwich beam was also fabricated from a MRE between two thin aluminum layers. An experimental test rig was set up to investigate the vibration response of the MRE sandwich beam under a non-homogeneous magnetic field. The experimental results show that the first natural frequency of the MRE sandwich beam ...
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