Correlation between mechanical behavior and glass forming ability of Zr-Cu metallic glasses

被引：31
|
作者：
Lu, B. F. [1 ]
Li, J. F. [1 ]
Kong, L. T. [1 ]
Zhou, Y. H. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
来源：
INTERMETALLICS | 2011年 / 19卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Glasses; metallic; Mechanical properties at ambient temperature; Thermal properties; Rapid solidification processing; Mechanical testing; RESIDUAL-STRESSES; AMORPHOUS-ALLOYS; PACKING DENSITY;
D O I：
10.1016/j.intermet.2011.03.009
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of Zr-Cu glassy ribbons were fabricated, and the compositional dependence of microhardness in the as-quenched and annealed state was systematically investigated. The as-quenched microhardness exhibits a positive deviation from linearity at the compositions which correspond to local maximum in glass forming ability (GFA). Upon annealing, the microhardness change is relatively smaller for the high GFA compositions. High atomic packing density at the special compositions should be responsible for the microhardness behavior. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1032 / 1035
页数：4
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