Enhanced heterogeneity and plasticity in a Zr-Cu-Al bulk metallic glass with micro-addition of oxygen

被引：23

作者：

Wang, Tuo ^{[1
,2
]}

Hou, Qiqi ^{[1
]}

Zhang, Lianshun ^{[1
]}

机构：

[1] Xinjiang Univ, Xinjiang Key Lab Solid State Phys & Devices, Urumqi 830046, Xinjiang, Peoples R China

[2] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Xinjiang, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2022年 / 831卷

关键词：

Bulk metallic glass; Plasticity; Microstructure; Crystallization; PHASE-SEPARATION; EMBRITTLEMENT; STRENGTH; BEHAVIOR;

D O I：

10.1016/j.msea.2021.142222

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, the effect of the addition of oxygen on the plasticity of a Zr60Cu25Al15 bulk metallic glass (BMG) was discussed. It has been shown that the plasticity of Zr60Cu25Al15 BMG can be enhanced through the addition of 0.25% of O. The glass forming ability and plasticity will deteriorate with an addition of 0.5% and 0.75% of O. The underlying mechanism of the improved plasticity has been clarified as a heterogeneous Cu-rich amorphous phase and the decrease of plasticity is caused by partial crystallization when there is an excess addition of O.

引用

页数：8

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