Formation and thermal stability of cu-based metallic glasses with high glass-forming ability

B. W. Zhou, W. Zhang, X. G. Zhang, H. Kimura, A. Makino, A. Inoue

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Cu-based Cu-Zr-Al metallic glass samples with diameters of more than 10 mm could be produced in a composition range of 45 to 52 (at. pct) Cu, 41 to 47 at. pct Zr, and 6 to 10 at. pct Al by a copper mold casting method. The best glass-forming ability was obtained for the Cu47Zr45Al8 alloy, and the glassy sample with a diameter of 15 mm was fabricated. The minor addition of Ag or Dy can enhance the glass-forming ability of the Cu47Zr45Al8 alloy, which decreases the liquidus temperatures, leading to increase in the reduced glass transition temperature. Fully glassy samples with diameters up to 20 mm were obtained for a (Cu0.47Zr0.45Al0.08) 98Dy2 alloy.

Original languageEnglish
Pages (from-to)2592-2597
Number of pages6
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume43
Issue number8
DOIs
Publication statusPublished - 2012 Aug

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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