Effects of the non-Newtonian deformation on the crystallization behavior in a Cu-based bulk metallic glass

被引：2
|
作者：
Tan, C. G. [1 ]
Tian, Y. B. [1 ]
Li, W. [2 ,3 ]
Lin, J. G. [1 ]
机构：
[1] Xiangtan Univ, Fac Mat & Optoelect Phys, Xiangtan, Peoples R China
[2] Hubei Polytech Univ, Hubei Key Lab Mine Environm Pollut Control & Reme, Wuhan, Peoples R China
[3] Changchun Univ, Coll Sci, Changchun, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 586卷
关键词：
Deformation; Metallic glass; SUPERCOOLED LIQUID REGION; MARTENSITIC TRANSFORMATIONS; MECHANICAL-PROPERTIES; ALLOYS; PLASTICITY;
D O I：
10.1016/j.msea.2013.07.069
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of non-Newtonian plastic deformation of a Cu-based amorphous alloy (Cu50Zr50)(92)Al-8 in the super cooled liquid region on the isothermal crystallization behavior and mechanical properties of the amorphous alloy were investigated. The results showed that the non-Newtonian deformation could promote the isothermal crystallization process of the alloy, and the main isothermal crystallization products were the CuZr phase with a cubic structure (B-2 phase) and its Martensitic phase. The alloy after the non-Newtonian deformation and the isothermal annealing exhibited a yielding point at the initial stage of deformation on its compression stress-strain curve, which may be caused by the stress induced martensite transformation. (C) 2013 Elsevier B.V. All rights reserved.
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页码：53 / 56
页数：4
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