Magnetism and compressive modulus of magnetic fluid containing gels

Tetsu Mitsumata, Kazuo Ikeda, Jian Ping Gong, Yoshihito Osada, Dénes Szabó, M. Zrínyi

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

We have investigated the magnetism and have measured the compressive modulus of magnetic fluid containing gels, called ferrogels, in the presence of magnetic field. No hysteresis was shown in the magnetization curve of the ferrogel suggesting a super paramagnetic response. The equilibrium compressive modulus of the ferrogel was measured up to 4 kOe and the modulus with field was much higher than that without field. The mean change in modulus increased with increasing magnetic field, and it saturates above 2 kOe. The mean and maximum change in modulus at 4 kOe was 31 and 71 Pa which corresponds to 19% and 46% increases of that without field, respectively. The change in modulus has been analyzed theoretically and is well explained in terms of the magnetism of ferrogels.

Original languageEnglish
Pages (from-to)8451-8455
Number of pages5
JournalJournal of Applied Physics
Volume85
Issue number12
Publication statusPublished - Jun 15 1999

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gels
fluids
magnetic fields
hysteresis
magnetization
curves

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Mitsumata, T., Ikeda, K., Gong, J. P., Osada, Y., Szabó, D., & Zrínyi, M. (1999). Magnetism and compressive modulus of magnetic fluid containing gels. Journal of Applied Physics, 85(12), 8451-8455.

Magnetism and compressive modulus of magnetic fluid containing gels. / Mitsumata, Tetsu; Ikeda, Kazuo; Gong, Jian Ping; Osada, Yoshihito; Szabó, Dénes; Zrínyi, M.

In: Journal of Applied Physics, Vol. 85, No. 12, 15.06.1999, p. 8451-8455.

Research output: Contribution to journalArticle

Mitsumata, T, Ikeda, K, Gong, JP, Osada, Y, Szabó, D & Zrínyi, M 1999, 'Magnetism and compressive modulus of magnetic fluid containing gels', Journal of Applied Physics, vol. 85, no. 12, pp. 8451-8455.
Mitsumata T, Ikeda K, Gong JP, Osada Y, Szabó D, Zrínyi M. Magnetism and compressive modulus of magnetic fluid containing gels. Journal of Applied Physics. 1999 Jun 15;85(12):8451-8455.
Mitsumata, Tetsu ; Ikeda, Kazuo ; Gong, Jian Ping ; Osada, Yoshihito ; Szabó, Dénes ; Zrínyi, M. / Magnetism and compressive modulus of magnetic fluid containing gels. In: Journal of Applied Physics. 1999 ; Vol. 85, No. 12. pp. 8451-8455.
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