MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Estimation of Relative Glass Forming Abilities of Multicomponent Alloy Systems
Deok KimYoon S. OhGeun T. BaeByeong-Joo LeeNack J. Kim
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JOURNALS FREE ACCESS

2007 Volume 48 Issue 7 Pages 1671-1674

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Abstract

A thermodynamic calculation scheme based on a CALPHAD method has been studied to evaluate the relative glass forming abilities (GFAs) of multicomponent alloy systems. The concept of the normalized driving force has been developed for estimation of the relative GFAs of different alloy systems. Driving forces of formation of crystalline phases under metastable supercooled liquid state have been calculated for different alloy systems to predict the possible crystalline phases and the maximum driving forces normalized by the respective melting temperatures are correlated with the experimentally obtained GFAs of the alloys. It shows that the estimated relative GFAs of different alloy systems based on the normalized driving forces agree well with the experimental results.

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© 2007 The Japan Institute of Metals and Materials
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