Properties of ultrasonic propagation in functional fluids under magnetic fields

Masaaki Motozawa, Tatsuo Sawada, Yoshiyuki Matsumoto

研究成果: Article

7 引用 (Scopus)

抄録

The properties of ultrasonic propagation velocity in water-based and kerosene-based magnetic fluids and an MR fluid are examined experimentally. The ultrasonic frequency used is 1 MHz and the measurement scheme is based on the pulse method. The external magnetic field intensity is varied from 0 mT to 550 mT and is swept at a constant rate dB/dt (sweep rate). The ultrasonic propagation velocity changes with applied magnetic field and hysteresis is observed. The properties of ultrasonic propagation seem to be highly influenced by the formation of chain-like clusters (in the magnetic fluids) and robust clusters (in the MR fluid).

元の言語English
ページ(範囲)4914-4921
ページ数8
ジャーナルInternational Journal of Modern Physics B
21
発行部数28-29
出版物ステータスPublished - 2007 11 10

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Ultrasonic propagation
Magnetic fluids
ultrasonics
Magnetic Field
Propagation
Magnetic fields
Magnetic Fluid
Fluid
Fluids
propagation
fluids
propagation velocity
Sweep
magnetic fields
Magnetic hysteresis
Kerosene
kerosene
Ultrasonics
Rate Constant
Hysteresis

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Mathematical Physics

これを引用

Properties of ultrasonic propagation in functional fluids under magnetic fields. / Motozawa, Masaaki; Sawada, Tatsuo; Matsumoto, Yoshiyuki.

:: International Journal of Modern Physics B, 巻 21, 番号 28-29, 10.11.2007, p. 4914-4921.

研究成果: Article

Motozawa, Masaaki ; Sawada, Tatsuo ; Matsumoto, Yoshiyuki. / Properties of ultrasonic propagation in functional fluids under magnetic fields. :: International Journal of Modern Physics B. 2007 ; 巻 21, 番号 28-29. pp. 4914-4921.
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