Ternary bulk metallic glasses formed by minor alloying of Cu8Zr5 icosahedron

被引：85
作者：
Xia, JH [1 ]
Qiang, JB
Wang, YM
Wang, Q
Dong, C
机构：
[1] Dalian Univ Technol, State Key Lab Mat Modificat, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, Dept Mat Engn, Dalian 116024, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 10期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2183367
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Icosahedron Cu8Zr5, derived from the Cu8Zr3 phase structure, corresponds to the deepest eutectic Cu0.618Zr0.382. Near this composition is the best glass-forming Cu-Zr composition, Cu0.64Zr0.36. (Cu0.64Zr0.36)(1-x)M-x and (Cu0.618Zr0.382)(1-x)M-x were examined for glass formation, where M represents Nb, Sn, Mo, Si, V, Ag, or Ta. A series of Cu-Zr based bulk metallic glasses are discovered with minor Nb, Sn, Mo, Ag, and Ta additions (lower than 3 at. %). The minor alloying mechanism was discussed in the light of atomic size and electron concentration factors. (c) 2006 American Institute of Physics.
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