Excellent glass-forming ability in simple Cu50Zr50-based alloys

被引：198
|
作者：
Yu, P
Bai, HY
Tang, MB
Wang, WL
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
[2] Chongqing Univ, Coll Math & Phys, Chongqing 400044, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2005年 / 351卷 / 14-15期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.jnoncrysol.2005.03.012
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
On the basis of the novel binary CuZr bulk metallic glass (BMG), we report the excellent glass-forming ability (GFA) in the Simple Cu50Zr50-based BMG-forming alloys with minor Al addition. When At addition changes from 4 to 8 at.%, Cu50Zr50-based BMGs can be produced to cylindrical rods with a diameter of at least 5 mm. The alloys have a broad glass-forming composition range with the excellent GFA. The elastic moduli were derived from the ultrasonic and density measurements. The physical origin of this unique GFA in the alloys is investigated. Our results might provide an effective route for exploring new BMGs. (c) 2005 Published by Elsevier B.V.
引用
收藏
页码：1328 / 1332
页数：5
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