The Recent Advances in Magnetorheological Fluids-Based Applications

Zareie, Shahin; Zabihollah, Abolghassem

doi:10.5772/intechopen.86178

Cited by 3 publications

(3 citation statements)

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“…Many actuators have been developed based on magnetorheological fluids and magnetorheological elastomers such as dampers, brakes, haptic devices, couplings, and mounts [7]. Since Rabinow published the discovery of MRF in 1948 at the US National Bureau of Standards [8], various patents have been registered, and various research articles related to MRFs have continued to be published [9].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, the fast response reaction of an MRF-based system to an applied magnetic field is on the scale of milliseconds, making it a suitable candidate for use in real-time control applications. MRF-based control systems have been comprehensively used in many applications in various industries, including civil, aerospace, and automobiles, to enhance system performance and functionality to achieve the desired outputs [9].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Time and Frequency of Magnetic Field Application on MRF Pressure Performance

et al. 2022

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This research was conducted to determine the effect of the time and frequency of magnetic field application on MRF pressure performance. It was carried out by placing magnetorheological fluid (MRF) in a U-shaped, glass tube and then repeatedly applying a magnetic field to it for a certain time period with a particular frequency set by the generator frequency. The length of the application period of the magnetic field, the frequency of the application of the magnetic field, and the magnitude of changes in fluid pressure that occurred and changes in pressure in the MRF were recorded with a data logger for a specific time, which was 60 s. From the field tests that were carried out, it was found that during the application of a continuous magnetic field, there was pressure on the MRF until it reached the maximum pressure; then, there was a gradual decrease in pressure when the magnetic field was turned off, but the pressure was intense. It was shown that the pressure decreased rapidly as the magnetism disappeared, even causing the pressure to drop below the initial pressure, which, in turn, gradually rose again toward the equilibrium pressure. Meanwhile, during the repeated application of a magnetic field, it appeared that the MRF effectively produced pressure in response to the presence of a magnetic field up to a frequency of 5 Hz. The higher the applied magnetic field frequency, the smaller the pressure change that occurred. Starting at a frequency of 10 Hz, the application of a magnetic field produced more minor pressure changes, and the resulting pressure continued to decrease as the liquid level decreased toward the initial equilibrium position.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Time and Frequency of Magnetic Field Application on MRF Pressure Performance

et al. 2022

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“…In the last few decades, numerous research studies on the development of groups of substances whose physical properties can be changed by external stimuli such as magnetic or electric fields, mechanical stress, temperature, heat, and light have been carried out in the world (Zareie and Zabihollah, 2020). These are the socalled functional ''intelligent'' or ''smart'' materials, the main advantage of which is that changes in their properties can be controlled according to a predetermined plan.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the properties of selected magnetorheological fluids

Fenyk

Horak

Zieliński

et al. 2022

Journal of Intelligent Material Systems and Structures

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The paper presents the results of research on the rheological properties of magnetorheological (MR) fluids with different physical and chemical compositions. The research concerned complete compositions of MR fluids as well as base fluids (samples containing no particles with ferromagnetic properties). Magnetorheological fluids consisted mainly of a carrier liquid in the form of glycerin or OKS 352 silicone oil, with magnetite or iron pentacarbonyl particles. The paper demonstrates the effect of the selection of individual components of the MR fluids on their rheological properties, paying attention to the interaction of the base liquid with the particles of the solid phase of the MR fluid. Under the conditions of exposure to a magnetic field, the type of ferromagnetic particles (their magnetic properties) have a decisive impact on the magnetorheological response of the fluid (change in rheological properties due to the effect of the magnetic field on the fluid). The magnetite-based samples showed a tangential stress of 1000 Pa, while the use of iron carbonyl allowed to obtain approximately 8000 Pa (with respect to the case where B = 500 mT, [Formula: see text]). No significant differences in rheological properties were recorded between the oleic acid- and silica-stabilized samples.

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