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A thermodynamic criterion for predicting glass-forming ability in binary metallic glasses

✍ Scribed by Xiulin Ji; Ye Pan; Fusheng Ni

Publisher
Elsevier Science
Year
2009
Weight
343 KB
Volume
30
Category
Article
ISSN
0261-3069

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✦ Synopsis

A new thermodynamic model for estimation of glass forming ability (GFA) is proposed. Considering both the stability of liquid and crystal and the competition of glass and crystal, an expression of GFA has been obtained. The equation is very useful for identifying alloy compositions with good GFA of binary alloys. Finally, this thermodynamic model of GFA is not only verified in five different binary bulk metallic glasses but also showed wider application range comparing with the former model.

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✍ Xiubing Liang; Tatiana Erenc-Sedziak; Maciej Kowalczyk; Tadeusz Kulik; Binshi Xu πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 335 KB

As the reliability criterions of glass forming ability (GFA) for Fe(Co)-based bulk metallic glasses (BMGs), the temperature interval of the supercooled liquid region T xg , the reduced glass transition temperature T rg and the parameter were evaluated by the linear regression with the critical diame