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27 April 2007 Study of a magneto-rheological grease (MRG) damper
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Abstract
This study focuses on the performance of a magneto-rheological (MR) grease damper. MRGs consist of micron-sized ferrous particles suspended in a grease carrier material. The main advantage of a MRG over a MR fluid is that in a MRG ferrous particles do not settle. Experiments are conducted to measure the output force response of the damper under various sinusoidal motion input conditions. The performance test consists of a sinusoidal frequency sweep maintaining amplitude at a constant displacement. In each test, the input electric current applied to the prototype MRG damper is kept at a constant level of 0, 1.0 and 2.0 Amps. Results demonstrated that a controllable damping force can be achieved which at low frequencies damper is nearly twice of the passive damping force.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Faramarz Gordaninejad, Mark Miller, Xiaoije Wang, Huseyin Sahin, and Alan Fuchs "Study of a magneto-rheological grease (MRG) damper", Proc. SPIE 6525, Active and Passive Smart Structures and Integrated Systems 2007, 65250G (27 April 2007); https://doi.org/10.1117/12.717709
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