Glass Forming Ability of La-rich La-Al-Cu Ternary Alloys

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  • Tan Hao
    Department of Materials Science, Faculty of Science, National University of Singapore
  • Lu Zhaoping
    Department of Materials Science, Faculty of Science, National University of Singapore
  • Yao Haibiao
    Department of Materials Science, Faculty of Science, National University of Singapore
  • Yao Bin
    Department of Materials Science, Faculty of Science, National University of Singapore
  • Feng Yuanping
    Department of Physics, Faculty of Science, National University of Singapore
  • Li Yi
    Department of Materials Science, Faculty of Science, National University of Singapore

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Abstract

Melting behavior and the reduced glass transition temperature (Trg) in La-rich La–Cu–Al based alloys was systematically investigated. It was found that reduced glass transition temperature increased to the maximum when the liquidus temperature decreased to the minimum for La86−xCuxAl14 (x=10–36) alloys. The best glass formation in La-rich La–Cu–Al ternary system was obtained at La66Cu20Al14 alloy, which is at a eutectic point with the highest reduced glass transition temperature of 0.541 among these alloys. The glass forming ability of these alloys is correlated and discussed with their reduced glass transition temperature.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 42 (4), 551-555, 2001

    The Japan Institute of Metals and Materials

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