Influence of a supercooled liquid on crystallization behaviour of Al-Y-Ni-Co metallic glass

研究成果: Article

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The present paper aims to report an effect of a supercooled liquid region on crystallization behaviour of an Al85Y8Ni5Co2 metallic glass produced by rapid solidification of the melt. It is found that crystallization behaviour of the above-mentioned Al-based metallic glass, above glass-transition temperature and below it, follows different transformation mechanisms. Formation of the primary nanoscale α-Al particles observed during continuous heating, or after annealing above glass-transition temperature, does not occur by the crystallization reaction during isothermal annealing below glass-transition temperature. At such conditions, an unknown metastable phase is formed conjointly with α-Al by the eutectic-like mechanism.

元の言語English
ページ(範囲)75-80
ページ数6
ジャーナルMaterials Letters
54
発行部数1
DOI
出版物ステータスPublished - 2002 5 1

ASJC Scopus subject areas

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

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