Structure and Properties of Sm – Co – Fe – Cu – Zr Magnets for High-Temperature Applications

V. N. Beketov, V. N. Moskalev, D. V. Taranov, A. V. Ogurtsov, M. K. Sharin, A. G. Popov, V. S. Gaviko, O. A. Golovnya, A. V. Protasov, E. G. Gerasimov, P. B. Terent’ev, V. V. Popov

Research output: Contribution to journalArticlepeer-review

Abstract

Sm – Co – Fe – Cu – Zr sintered high-temperature permanent magnets (HTPM) produced by the “POZ-Progress” Company are studied. The microstructure of the magnets is determined by scanning electron microscopy and x-ray diffraction analysis. The Curie temperature and the magnetic properties of the materials are described. The hysteresis loops of the magnets are measured in strong pulsed fields at room and elevated temperatures. The temperature dependence of the magnetic susceptibility is plotted using the method of compensated transformer in a variable magnetic field.

Original languageEnglish
Pages (from-to)498-503
Number of pages6
JournalMetal Science and Heat Treatment
Volume60
Issue number7-8
DOIs
StatePublished - 1 Nov 2018
Externally publishedYes

Keywords

  • Sm – Co – Fe – Cu – Zr alloys
  • coercivity
  • high-temperature permanent magnets
  • phase composition
  • temperature stability

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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