New type of γ1-FePt/Fe2B exchange-coupled spring magnet obtained from Fe56.25Pt18.75B25 amorphous alloy

Wei Zhang, Parmanand Sharma, Keesam Shin, Dmitri V. Louzguine, Akihisa Inoue

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

The best hard magnetic properties observed for the Fe 56.25Pt18.75B25 amorphous alloy after annealing are attributed to the exchange coupling between the nanoscale hard γ1-FePt, soft Fe2B and remaining amorphous magnetic phases. The existence of the remaining amorphous phase is shown to be important in the maintenance of a fine nanocomposite structure.

Original languageEnglish
Pages (from-to)431-435
Number of pages5
JournalScripta Materialia
Volume54
Issue number3
DOIs
Publication statusPublished - 2006 Feb

Keywords

  • Annealing
  • Energy dispersive X-ray spectroscopy (EDXS)
  • Hard magnets
  • Melt spinning
  • Metallic glasses
  • Nanocomposite

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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