Microstructures of Co-Zr-B alloys produced by melt-spinning technique

Tetsuji Saito, Masaru Itakura

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)

抄録

The microstructures of high-coercivity Co-Zr-B melt-spun ribbons were examined in order to determine the hard magnetic phase in the Co-Zr-B alloys. Throughout X-ray diffraction (XRD) and magnetic studies, as well as microstructural studies by scanning electron microscope (SEM), transmission electron microscope (TEM), and scanning transmission electron microscope (STEM), no Co5Zr phase was found in the Co-Zr-B melt-spun ribbons. Only the CoxZr (x ≈ 5) phase was detected, indicating that the hard magnetic phase in the Co-Zr-B alloys was the CoxZr phase. The TEM and STEM studies revealed that the Co-Zr-B alloys had very fine CoxZr grains of around 200 nm in diameter and that the hard magnetic CoxZr phase was surrounded by the soft magnetic Co grain boundary phase.

本文言語英語
ページ(範囲)124-128
ページ数5
ジャーナルJournal of Alloys and Compounds
572
DOI
出版ステータス出版済み - 9 25 2013

All Science Journal Classification (ASJC) codes

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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