Effect of the cooling rate on plastic deformability of a Zr-based bulk metallic glass

被引：0
|
作者：
Jing Zhang
ShuJie Pang
Tao Zhang
机构：
[1] Beijing University of Aeronautics and Astronautics,Key Laboratory of Aerospace Materials and Performance (Ministry of Education), Department of Materials Science and Engineering
来源：
Science China Physics, Mechanics and Astronomy | 2010年 / 53卷
关键词：
cooling rate; shear band; serration; bulk metallic glass;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The present work found the plastic deformability of Zr65Cu17.5Ni10Al7.5 BMG dependent on the cooling rate during the formation from the molten state alloy. The deformation behavior in the compression test of ϕ 2 mm Zr65Cu17.5Ni10Al7.5 BMGs as-cast or lathed from different sizes as-cast samples was characterized, and they exhibited different plastic strains. The compressive plastic strain increases with the decreasing diameter of the as-cast specimens, i.e. with increasing the cooling rate. It is suggested that free volume content in the BMGs, which is related to the cooling rate during the rapid solidification, could play an important role in the deformation process of the BMGs.
引用
收藏
页码：415 / 418
页数：3
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