Influence of casting temperature on the thermal stability of Cu- and Zr-based metallic glasses: Theoretical analysis and experiments

被引：26

作者：

Zhu, Z. W. ^{[1
,2
]}

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

Wang, H. ^{[2
]}

Ding, B. Z. ^{[1
]}

Hu, Z. Q. ^{[1
]}

机构：

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

[2] Univ So Queensland, Fac Engn & Surveying, Toowoomba, Qld 4350, Australia

来源：

JOURNAL OF MATERIALS RESEARCH | 2008年 / 23卷 / 10期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1557/JMR.2008.0335

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Influence of casting temperature on the thermal stability of Cu- and Zr-based metallic glasses (MGs) was analyzed based on the monomer-cluster structural model using the Johnson-Mehl-Avrami (JMA) equation. The result indicates that increasing the casting temperature can enhance the thermal stability of MGs. It is suggested that it be attributed to the decrease in the amount of the local ordering clusters induced by the elevating casting temperature. The prediction is confirmed by continuous heatinc, transformation diagrams constructed for the Cu- and Zr-amorphous samples obtained under different casting temperatures.

引用

页码：2714 / 2719

页数：6

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