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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.42  No.4 (2001)  >  pp.551-555

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

Hao Tan1), Zhaoping Lu1), Haibiao Yao1), Bin Yao1), Yuanping Feng2) and Yi Li1)
1) Department of Materials Science, Faculty of Science, National University of Singapore
2) Department of Physics, Faculty of Science, National University of Singapore

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.

melting behavior, differential thermal analysis, glass forming ability, reduced glass transition temperature, lanthanum-rich lanthanum-aluminum-copper alloys, eutectic composition

Received: November 17, 2000
Accepted: January 11, 2001 , Published online: September 06, 2005
Copyright (c) 2005 The Japan Institute of Metals



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