Formation of 2-5 nm size pre-precipitates of cF96 phase in a Hf-Co-Al glassy alloy

D. V. Louzguine, H. Kato, H. S. Kim, A. Inoue

研究成果: Article査読

14 被引用数 (Scopus)

抄録

The devitrification behaviour of Hf55Co25Al 20 glassy alloy was studied by X-ray diffractometry, transmission electron microscopy, differential scanning and isothermal calorimetry. Formation of a nanoscale structure with a pre-precipitate of the cF96 Ti 2Ni-type phase embedded in the residual glassy matrix was observed upon annealing. We obtained an Avrami exponent value of 2.6, indicating that the primary pre-precipitates are formed by steady state nucleation and diffusion-controlled growth of nuclei.

本文言語English
ページ(範囲)198-201
ページ数4
ジャーナルJournal of Alloys and Compounds
359
1-2
DOI
出版ステータスPublished - 2003 9 22

ASJC Scopus subject areas

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

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