Competition driven nanocrystallization in high Bs and low coreloss Fe-Si-B-P-Cu soft magnetic alloys

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Abstract

Based on experimental results and Johnson-Mehl-Avrami analysis, we have identified the nanocrystallization mechanism of newly developed Ferich Fe-Si-B-P-Cu soft magnetic alloys. Competition for growth among a large number of nuclei that are present in as-quenched state (grain density ∼3 × 1021 m-3) and nucleated after annealing above the critical temperature for new nucleation (grain density ∼8 × 1022 m-3) governs the grain size. A model of nanocrystallization is made to predict the magnetic/structural properties.

Original languageEnglish
Pages (from-to)3-6
Number of pages4
JournalScripta Materialia
Volume95
Issue number1
DOIs
Publication statusPublished - 2015 Jan 1

Keywords

  • Competition driven nanocrystallization
  • High B and low coreloss alloys
  • NANOMET alloys
  • Nanocrystallization mechanism in soft magnetic alloys

ASJC Scopus subject areas

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

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