AP-FIM analysis of partitioning of alloying elements between spinodally-decomposed phases in Fe-Cr-Co-Si alloys

Ryujo Uemori, Toshio Mukai, Mitsuru Tanino

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

Partition of alloying elements between spinodally-decomposed phases in Fe-Cr-Co-Si alloys was examined by Atom-Probe Field-Ion Microscope (AP-FIM). The results showed that the ferromagnetic particle (α1) is rich in Fe and Co, and the weak-ferromagnetic matrix (α2) rich in Cr and Si. The enrichment of Si in the α2 phase was explained through thermodynamical considerations. Si is more strongly bonded to Cr than to Fe. The improvement of hard magnetic properties by Si additions was found and discussed in terms of the changes in saturation magnetization of the α1 and α2 phases. The increase in coercive force may be mainly attributed to the reduction of saturation magnetization of the α2 phase by the addition of Si.

本文言語英語
ページ(範囲)2060-2067
ページ数8
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
77
11
DOI
出版ステータス出版済み - 1991
外部発表はい

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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