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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.42  No.4 (2001)  >  pp.556-561

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A Relationship between Glass-Forming Ability and Reduced Glass Transition Temperature near Eutectic Composition

Y. Li1)
1) Department of Materials Science, Science Faculty, National University of Singapore

Onset temperature (solidus), Tm and offset temperature (liquidus) Tl of melting of a series of bulk glass forming alloys based on Zr, La, Mg, Pd and rare-earth elements have been measured by studying systematically the melting behaviour of these alloys using differential thermal analysis (DTA) or differential scanning calorimetry (DSC). Bulk metallic glass formation has been found to be most effective at or near their eutectic points and less effective for off-eutectic alloys. Reduced glass transition temperature Trg given by TgTl is found to show a stronger correlation with critical cooling rate or critical section thickness for glass formation than Trg given by TgTm.

glass forming abiltiy, reduced glass transition temperature, bulk amorphous alloys

Received: December 06, 2000
Accepted: January 19, 2001 , Published online: September 06, 2005
Copyright (c) 2005 The Japan Institute of Metals



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