Origin of the effect of the gas atmosphere during mold-casting Zr 65Al 7.5Ni 10Pd 17.5 bulk glassy or nano-quasicrystal-forming alloy

Albertus Deny Setyawan, Hidemi Kato, Junji Saida, Akihisa Inoue

研究成果: Article査読

14 被引用数 (Scopus)

抄録

We provide a quantitative analysis of the importance of the gas species and pressure during mold-casting process on the apparent glass-forming ability (GFA) of Zr 65Al 7.5Ni 10Pd 17.5 alloy, recently reported by Kato et al. (e.g. Scripta Mater. 51 (2004) 13). The cooling characteristics are found to depend in remarkable detail on the gas species and the pressure existing in the cavity between the melt and the mold presumably formed during the cooling process. This understanding has been successfully applied to significantly improve the critical diameter of the glassy rods to 7 mm in an atmosphere of helium environment from 5 mm in that of argon.

本文言語English
ページ(範囲)1266-1271
ページ数6
ジャーナルMaterials Transactions
48
6
DOI
出版ステータスPublished - 2007 6

ASJC Scopus subject areas

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

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