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    • Preparation of Zr50Al15−𝑥Ni10Cu25Y𝑥 amorphous powders by mechanical alloying and thermodynamic calculation

      Woyun Long Anxian Lu Jing Li

      Volume 36 Issue 7 December 2013 pp 1275-1280

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      https://www.ias.ac.in/article/fulltext/boms/036/07/1275-1280

    • Keywords

       

      Amorphous alloy; mechanical alloying; glass-forming ability; equivalent free energy.

    • Abstract

       

      Amorphous Zr50Al15−𝑥Ni10Cu25Y𝑥 powders were fabricated by mechanical alloying at a low rotation speed from commercial pure element powders. The beneficial effect of Al partially substituted by Y in Zr50Al15Ni10Cu25 on glass-forming ability was investigated. The as-milled powders were characterized by X-ray diffraction and transmission electron microscopy. The results show that partial substitution of Al by Y can improve the glass-forming ability of Zr50Al15Ni10Cu25 alloy. Thermodynamic calculation of equivalent free energy shows that Zr50Al13.8Ni10Cu25Y1.2 alloy has the highest glass-forming ability, which is in good agreement with the report of orthogonal experiments.

    • Author Affiliations

       

      Woyun Long1 2 Anxian Lu2 Jing Li1

      1. Department of Applied Physics, Hunan Agricultural University, Changsha 410128, P. R. China
      2. School of Materials Science and Engineering, Central South University, Changsha 410083, P. R. China

    • Dates

       
      Published
      December 2013
      Manuscript received
      17 July 2012
      Manuscript revised
      20 January 2013

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