Glass Forming Ability of Metallic Glasses Evaluated by a New Criterion

CAO Qing-Ping; LI Jin-Fu; ZHOU Yao-He

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Glass Forming Ability of Metallic Glasses Evaluated by a New Criterion

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The glass-forming ability (GFA) of Cu-Zr binary alloys is evaluated using the existing criteria based on calorimetric parameters, and poor relations are found. Therefore, another parameter Trk defined as Tk/Tl, in which Tk is the Kauzmann temperature and Tl the equilibrium liquidus temperature, is proposed. It exhibits good agreements with the experimental data of the Cu-Zr system and other representative bulk metallic glass formers so long as classifying them into strong or fragile category. It is suggested that kinetic effects are irrelevantly incorporated in the GFA analysis in the previous work.

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《中国物理快报：英文版》 |2008年第9期|3459-3462|共4页
作者
CAO Qing-Ping; LI Jin-Fu; ZHOU Yao-He;
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State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai diao Tong University, Shanghai 200240;

International Center for New-Structured Materials ICNSM, Zhejiang University and Laboratory of New-Structured Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou,310027;

State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai diao Tong University, Shanghai 200240;

State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai diao Tong University, Shanghai 200240;

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中图分类物理学;
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Glass Forming Ability of Metallic Glasses Evaluated by a New Criterion

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