Improvement of the glass-forming ability of Zr55Cu30Al10Ni5 and Cu47Ti34Zr11Ni83Ni8 alloys by electro-deoxidation of the melts

被引：24
|
作者：
Castellero, A.
Bossuyt, S.
Stoica, M.
Deledda, S.
Eckert, J.
Chen, G. Z.
Fray, D. J.
Greer, A. L.
机构：
[1] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
[2] IFW Dresden, Inst Met Mat, D-01171 Dresden, Germany
来源：
SCRIPTA MATERIALIA | 2006年 / 55卷 / 01期
关键词：
electro-deoxidation; liquid metal; casting; bulk amorphous materials;
D O I：
10.1016/j.scriptamat.2006.03.032
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A novel electrochemical method is presented for removing oxygen from glass-forming liquids in a molten-salt electrolyte. The effect of the electrolysis time on the glass-forming ability of Zr55Cu30Al10Ni5 and Cu47Ti34Zr11Ni8 was evaluated. Differential scanning calorimetry traces clearly show a stabilization of the amorphous phase as the electrolysis is performed for longer times, consistent with the hypothesis that the removal of oxygen from the melt improves its glass-forming ability. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：87 / 90
页数：4
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