MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
A Relationship between Glass-Forming Ability and Reduced Glass Transition Temperature near Eutectic Composition
Y. Li
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2001 Volume 42 Issue 4 Pages 556-561

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Abstract

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.

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© 2001 The Japan Institute of Metals and Materials
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