Primary precipitation of icosahedral quasicrystal with rearrangement of constitutional elements in Zr65Al7.5 Cu27.5 glassy alloy with low oxygen impurity

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The primary transformation reaction of the Zr65Al7.5Cu27.5 ternary glassy alloy with a low oxygen impurity of approximately 100 mass ppm was investigated. We have discovered the precipitation of the metastable icosahedral phase with a fine grain size of 50-100 nm in diameter accompanying with the formation of stable Zr2Cu phase at the annealing temperatures ranging from 715 to 730 K. The lattice spacing of Zr2Cu phase decreases at higher temperatures, which is attributed to the rearrangement of Zr and Cu in the decomposition of the icosahedral phase. It is suggested that the formation of the icosahedral phase in the primary stage originates from the existence of the quenched-in icosahedral local atomic configuration in the glassy state.

本文言語English
ページ(範囲)303-306
ページ数4
ジャーナルJournal of Materials Research
20
2
DOI
出版ステータスPublished - 2005 2

ASJC Scopus subject areas

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

フィンガープリント 「Primary precipitation of icosahedral quasicrystal with rearrangement of constitutional elements in Zr<sub>65</sub>Al<sub>7.5</sub> Cu<sub>27.5</sub> glassy alloy with low oxygen impurity」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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