Effect of microstructures on the compressive deformation and fracture behaviors of Zr47Cu46Al7 bulk metallic glass composites

被引：31

作者：

Fan, J. T. ^{[1
]}

Wu, F. F. ^{[1
]}

Zhang, Z. F. ^{[1
]}

Jiang, F. ^{[2
]}

Sun, J. ^{[2
]}

Mao, S. X. ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Xian Jiaotong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

[3] Univ Pittsburgh, Dept Mech Engn, Pittsburgh, PA 15261 USA

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2007年 / 353卷 / 52-54期

基金：

中国国家自然科学基金;

关键词：

amorphous metals; metallic glasses; alloys;

D O I：

10.1016/j.jnoncrysol.2007.06.062

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：

The compressive deformation and fracture behaviors of a Zr47Cu46Al7 bulk metallic glass (BMG) and its composites with different microstructures were investigated. For the fully amorphous alloy, due to the formation of coarse primary shear bands and multiple secondary shear bands, it exhibited a high plasticity up to 14.5% with a 'work softening' during compressive test. With the increase in the volume fraction of primary crystallizing phases, the BMG composites displayed low strength and poor plasticity even failing in a brittle mode. Furthermore, the effects of microstructures on the compressive deformation and fracture behaviors of the BMG composites were discussed. (c) 2007 Published by Elsevier B.V.

引用

页码：4707 / 4717

页数：11

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