Fatigue Properties and Morphology of Fatigue Fracture of Bulk Metallic Glass

被引：0
|
作者：
X. Y. Zhao
Z. H. Chen
H. P. Wang
J. Zhan
机构：
[1] Hunan University,College of Materials Science and Engineering
[2] Zhuzhou Cemented Carbide Group Co. Ltd.,Modern Engineering Training Center
[3] Hunan University,undefined
来源：
Metal Science and Heat Treatment | 2016年 / 58卷
关键词：
bulk metallic glass; fatigue resistance; shear bands; fracture toughness;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Changes in the amorphous structure and fatigue resistance of Zr57.5Cu27.3Al8.5Ni6.7 bulk metallic glass are studied. A copper-rich phase produced by cyclic stresses is discovered. This phase observed on the fracture surface may hinder crack propagation. The specimens after fatigue failure have a V shape (do not break into two completely) due to the high density of shear bands and multiple branching of the shear bands in the strained region.
引用
收藏
页码：487 / 492
页数：5
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