Influence of Si addition and relaxation on the crystallization of Zr-Al-Ni-Cu based amorphous alloys

被引：4
|
作者：
Qi, M [1 ]
Wang, XD
Deledda, S
Eckert, J
Schultz, L
机构：
[1] Dalian Univ Technol, Dept Mat Engn, Dalian 116024, Peoples R China
[2] IFW Dresden, Inst Met Mat, D-01171 Dresden, Germany
来源：
JOURNAL OF MATERIALS SCIENCE LETTERS | 2002年 / 21卷 / 11期
关键词：
D O I：
10.1023/A:1015787031715
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Amorphous Zr60Al8Ni12.5Cu17Si2.5 and Zr60Al8Ni10Cu17Si5 ribbons were produced by melt spinning. From constant-rate DSC analysis, an increase of Tg and, in turn, a decrease of ΔTx were observed for ribbons after a pre-relaxation treatment at temperatures below the glass transition temperature. Isothermal analysis also revealed a shorter incubation time τ for the relaxed samples. Furthermore, longer τ values and higher activation energies were observed for a higher Si content.
引用
收藏
页码：893 / 896
页数：4
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