Ultrasonic anisotropy in magnetic liquids

Downloads

Authors

  • T. HORNOWSKI Institute of Acoustics, Adam Mickiewicz University, Poland
  • A. SKUMIEL Institute of Acoustics, Adam Mickiewicz University, Poland
  • M. ŁABOWSKI Institute of Acoustics, Adam Mickiewicz University, Poland

Abstract

Experimental results for magnetic field influence on the ultrasonic anisotropy in magnetic fluids are reported. The measurements have been carried out for the frequency 3.37 MHz, at the temperature 20°C and magnetic field of strength B = 100 mT, 200 mT and 500 mT. The results were analyzed in terms of Gotoh/Chung theory and Taketomi theory. The former was found to exhibit a lack of inner consistency while the latter gives reliable values of the physical parameters obtained by best-fit procedure.

References

[1] FERROFLUIDS CORPORATION, J. Magn. Magn. Mater., 1-4 (1986).

[2] K. RAJ, R. MOSKOWITZ, J. Magn. Magn. Mater., 85, 233 (1990).

[3] C. F. HAYES, J. Coll. Int. Sci, 52, 239 (1975).

[4] S. TAKETOMI, Jpn. J. Appl. Phys., 22, 1137 (1983).

[5] J. D. PARSONS, J. Phys. D., 8, 1219 (1975).

[6] Y. CHUNG, W. E. ISLER, J. Appl. Phys., 49, 1809 (1978).|

Most read articles by the same author(s)