Improvement of Plasticity of Ti-Based Bulk Metallic Glasses by Addition of Nb

被引：0
|
作者：
Shan Sheng-Feng [1 ,2 ]
Zhan Zai-Ji [1 ]
Fan Chang-Zeng [1 ]
Jia Yuan-Zhi [1 ]
Zhang Bao-Qing [1 ]
Liu Ri-Ping [1 ]
Wang Wen-Kui [1 ]
机构：
[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
[2] Jining Univ, Dept Phys, Qufu 273155, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 11期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ti-based bulk metallic glasses (Ti40Zr25Cu9Ni8Be18)(100-x)Nb-x with x = 0 to 5 at.% are prepared by copper-mold casting. The glass formation ability is almost unchanged by addition of Nb. The compression plasticity is, however, apparently changed, from 3% at x = 0 to 13% at x = 3, about 330% increases at the strain rate of 1 x 10(-4)s(-1). The increment of the plasticity can be attributed to the segregation of Nb in the area of shear bands during the compression processing. An effective way to increase the plasticity of Ti-based bulk metallic glasses is thus proposed.
引用
收藏
页码：4165 / 4167
页数：3
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