AP-FIM study of ultra-fine precipitates at the peak hardening stage in a tempered Fe-Mo-C alloy

Ryuji Uemori, Mitsuru Tanino

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

Morphology and chemical compositions of the precipitates formed at the peak stage of secondary hardening in an Fe-Mo-C alloy were examined by atom probe field ion microscopy (AP-FIM). AP-FIM analysis has confirmed the existence of not only needle-like Mo2C precipitates along the 〈100〉α-Fe directions but also plate-like precipitates lying parallel to the {100}α-Fe planes. The latter were deduced to be clusters of Mo and a small fraction of Fe atoms that contain neither C nor N. These Mo-rich clusters are finer and more densely distributed than Mo2C. Thus, its presence may contribute to the secondary hardening of Mo steels.

本文言語英語
ページ(範囲)141-150
ページ数10
ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
55
2
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
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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