W H Li et al 2000 Smart Mater. Struct. 9 95 doi:10.1088/0964-1726/9/1/310
W H Li, G Z Yao, G Chen, S H Yeo and F F Yap
Show affiliationsA linear magnetorheological (MR) damper, supplied by Lord Corporation, was tested and modeled. Under dynamic conditions, the effects of displacement amplitude, frequency, and magnetic fields on the mechanical properties of MR damper, such as damping force, equivalent-damping capability, were experimentally studied with an INSTRON test machine. A viscoelastic-plastic model is proposed to model the MR behavior. It is shown that the damper response can be satisfactorily predicted with this model.
07.10.-h Mechanical instruments and equipment
46.35.+z Viscoelasticity, plasticity, viscoplasticity
46.40.Ff Resonance, damping and dynamic stability
83.80.Gv Electro- and magnetorheological fluids
81.70.Bt Mechanical testing, impact tests, static and dynamic loads
Soft matter, liquids and polymers
Issue 1 (February 2000)
Received 23 June 1999, in final form 21 October 1999
W H Li et al 2000 Smart Mater. Struct. 9 95
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