2019
DOI: 10.1186/s40712-019-0109-2
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A review of challenges and solutions in the preparation and use of magnetorheological fluids

Abstract: This review of MRF (magnetorheological fluids or MR fluids) brings out the challenges in methods of preparation, difficulties encountered in storage and use, and possible solutions to overcome the challenges.Magnetorheological fluid in the rheological fluid domain has found use due to its ability to change its shear strength based on the applied magnetic field. Magnetorheological fluids are composed of magnetizable micron-sized iron particles and a non-magnetizable base or carrier fluid along with additives to… Show more

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Cited by 164 publications
(100 citation statements)
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“…They have been extensively adopted in various applications such as MR brake, MR valve, MR mount, MR clutch, and MR damper [ 15 ]. The versatility of their wide applications is caused by noiseless operation, rapid field responsiveness of MRFs relative insensitivity to small quantities of contaminants or dust, and easy control [ 16 ]. On the other hand, despite that MRFs are possessing significant merits with many potential applications, their disadvantages include sealing issues due to the leakage of the medium liquid, contaminating environment, and sedimentation of the particles [ 17 ].…”
Section: Introductionmentioning
confidence: 99%
“…They have been extensively adopted in various applications such as MR brake, MR valve, MR mount, MR clutch, and MR damper [ 15 ]. The versatility of their wide applications is caused by noiseless operation, rapid field responsiveness of MRFs relative insensitivity to small quantities of contaminants or dust, and easy control [ 16 ]. On the other hand, despite that MRFs are possessing significant merits with many potential applications, their disadvantages include sealing issues due to the leakage of the medium liquid, contaminating environment, and sedimentation of the particles [ 17 ].…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, the damping ability of the CDN-gel mainly depends on its elasticity. A stiff hydrogel cannot absorb enough of the shock, while a soft hydrogel does not have a sufficient response speed to resolve vibrations within a certain frequency [ 45 , 46 ]. The excellent elasticity and recovery properties of GEL-0.5 provide it with good damping ability.…”
Section: Resultsmentioning
confidence: 99%
“…That better response may not be achieved if the off-state viscosity of the MR fluid employed in the damper is high. Also, the high viscosity of MR fluids increase the possibility of the In-Use Thickening (IUT) problem, in which an MR fluid is transformed into a paste due to the long exposure of magnetic field [46]. It has been analysed that the AMT-Smartec + MR fluid has more iron particles than the MRF-140CG and the in-house made MR fluid in [17].…”
Section: Magnetic Properties Of Amt-smartec + Mr Fluidmentioning
confidence: 99%