Magnetorheology of colloidal dispersion containing Fe nanoparticles synthesized by the arc-plasma method

Noma, Junichi; Abe, Hiroya; Kikuchi, Takehito; Furusho, Junji; Naito, Makio

doi:10.1016/j.jmmm.2009.12.043

Cited by 23 publications

(18 citation statements)

References 22 publications

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“…It mainly includes the applied magnetic field strength, the size and gradation, and the property and volume fraction of the particles; the property of the carrier fluid and the additives. Noma et al [9] found that Fe nanoparticles synthesized by the arc plasma method exhibited a high saturation magnetization and may be useful for MR fluids. Ekwebelam and See [10] explored the yielding behavior and enhanced stress response exhibited by bidisperse MR fluid over monodisperse systems.…”

Section: Introductionmentioning

confidence: 99%

Analysis and Testing of Chain Characteristics and Rheological Properties for Magnetorheological Fluid

Chen

Huang

Shu

et al. 2013

Advances in Materials Science and Engineering

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Digital holographic microscopy is presented in this study, which can measure the magnetorheological (MR) fluid in different volume fractions of particles and different magnetic field strengths. Based on the chain structure of magnetic particle under applied magnetic field, the relationships between shear yield stress, magnetic field, size, and volume fraction of MR fluid in two parallel discs are established. In this experiment, we choose three MR fluid samples to check the rheological properties of MR fluid and to obtain the material parameters with the test equipment of MR fluid; the conclusion is effective.

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Section: Introductionmentioning

confidence: 99%

Analysis and Testing of Chain Characteristics and Rheological Properties for Magnetorheological Fluid

Chen

Huang

Shu

et al. 2013

Advances in Materials Science and Engineering

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“…Upon attaching a handle ring to the shaft part, the device can be operated as a scissors-type device. We used MR fluid containing iron nanoparticles of about 100 nm diameter because it is highly stable against sedimentation compared with other typical MR fluids [20][21][22][23][24]. These iron nanoparticles are treated using a silane coupling agent in order to form a hydrophobic layer on their surfaces, and then dispersed in silicone oil.…”

Section: Introductionmentioning

confidence: 99%

“…These iron nanoparticles are treated using a silane coupling agent in order to form a hydrophobic layer on their surfaces, and then dispersed in silicone oil. The MR fluid demonstrates stable shear stress even at low shear rates (1-100 s −1 ); therefore, the fluid can be used in tactile display systems [22]. The coil voltage was controlled using a function generator (AFG3152C, Tektronix Inc., Tokyo, Japan) and monitored using an oscilloscope (DCS-9710, TEXIO Technology Co. Ltd., Kanagawa, Japan).…”

Section: Introductionmentioning

confidence: 99%

Scissors-Type Haptic Device Using Magnetorheological Fluid Containing Iron Nanoparticles

Waga

Aita

Noma³

et al. 2019

Technologies

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The mechanical ability and usefulness of simulation systems can be improved by combining a tactile display with a remote control or medical simulation systems. In this study, a scissors-type haptic device containing magnetorheological fluid (MR fluid) in its fulcrum is developed. We evaluate the mechanical response to the applied voltage and realize the presence of mechanical stimuli when a subject grasps or cuts the corresponding objects. When the magnetic field around the MR fluid is controlled by an electric voltage of 150–500 mV, the torque linearly increases from 0.007 ± 0.000 to 0.016 ± 0.000 N m. The device can provide tactile stimuli with 0.1 s of resolution. We also determined the voltage profiles based on typical force profiles obtained during grasping/cutting processes and evaluated the torque using a mechanical evaluation system. Features of the force profiles related to the soft and sticky feels were reconstructed well.

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“…Based on the mechanical characteristics of MR fluid, there are many studies on performance [1,2] and applications such as brake [3] and damper [4] during recent years, but relatively few studies were performed for the influence of temperature on the performance of MR fluid and transmission performance. Li and Du performed study on the influence condition of temperature for the viscosity and the shear stress with experiment [5].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Influence of Temperature on Magnetorheological Fluid and Transmission Performance

Chen

Huang

Jian

et al. 2015

Advances in Materials Science and Engineering

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Magnetorheological (MR) fluid shows different performances under different temperature, which causes so many problems like the reduction of rheological properties of MR fluid under a high temperature condition, the uncontrollability of shear stress, and even failure of transmission; on that basis, the influence of temperature on the performance of MR fluid and the cause of the rise in temperature of MR transmission device are analyzed in this paper; the shearing transmission performance of the MR transmission device under the effect of an external magnetic field and the influence of temperature on the shearing stress and transmission performance are analyzed. The study results indicate that temperature highly influences the viscosity of MR fluid, and the viscosity influences the shear stress of the MR fluid. The viscosity of MR fluid gradually declines when temperature rises from 100°C. Once the temperature exceeds 100°C, the viscosity would increase and the temperature stability would decline. Temperature obviously influences the characteristics of MR transmission, and particularly, highly influences the characteristics of MR transmission once being higher than 100°C. The chaining of the material in the magnetic field is influenced, which causes the reduction of the rheological properties, the uncontrollability of the shear stress, and even the failure of transmission.

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Magnetorheology of colloidal dispersion containing Fe nanoparticles synthesized by the arc-plasma method

Cited by 23 publications

References 22 publications

Analysis and Testing of Chain Characteristics and Rheological Properties for Magnetorheological Fluid

Analysis and Testing of Chain Characteristics and Rheological Properties for Magnetorheological Fluid

Scissors-Type Haptic Device Using Magnetorheological Fluid Containing Iron Nanoparticles

Analysis of Influence of Temperature on Magnetorheological Fluid and Transmission Performance

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