Shock wave demagnetization of BaFe 12O 19 hard ferrimagnetics

S. I. Shkuratov, E. F. Talantsev, J. C. Dickens, M. Kristiansen

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

A study of the effect of shock waves on the phase state of a hard ferrimagnetic material has been performed. A plane shock wave was passed along the axis of a cylindrical BaFe 12O 19 hard ferrite magnet. The shock wave demagnetized the cylinder, reducing the magnetic flux. This change in magnetic flux generated an electromotive force (EMF) in a coil wound around the ferrite. The value of the EMF calculated on the assumption that the ferrite was completely demagnetized by the shock wave is in good agreement with the peak EMF value obtained experimentally.

Original languageEnglish
Pages (from-to)3007-3009
Number of pages3
JournalJournal of Applied Physics
Volume91
Issue number5
DOIs
StatePublished - Feb 15 2002

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