A Servo Employing the Magnetic Fluid Clutch

Bettis, E.S.; Mann, E.R.

doi:10.1063/1.1741476

Cited by 6 publications

(1 citation statement)

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“…The magnetic fluids with a certain low viscosity under no magnetic field are called magnetorheology fluids. By tailoring the viscosity under magnetic fields, magnetic fluids have been used in various products including magnetic fluid clutches, 1,2) dynamometers, 3) suspensions, 4) and other applications. 5,6) For the magnetic particles, various ferrite particles have been utilized because of their easy synthesis, handling, and chemical stability in use.…”

Section: Introductionmentioning

confidence: 99%

Preparation of iron nanosized powder by pulsed wire discharge

Suematsu

Hayashi

Hieu

et al. 2022

Jpn. J. Appl. Phys.

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Organic matter coated Fe nanosized powders were prepared by pulsed wire discharge. X-ray diffraction showed no crystalline phases except for α-Fe. Transmission electron microscopy (TEM) and infrared absorption spectroscopy results indicated that the prepared particles were coated by mineral oil. From the TEM results, the particle size distributions were also obtained and the geometric mean diameters were calculated to be from 20.2 to 42.4 nm. The relation between the geometric mean diameter and theoretical plasma/vapor density was close to that predicted by the known particle size determining equation. Saturation magnetization as high as 172 emu g−1 was obtained for the prepared Fe nanosized powder.

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