Crystallization behavior of Ti61.67Zr17.15M14.80Cu6.38 glass-forming alloy

被引：0
|
作者：
Fan, JD [1 ]
Gao, YQ
Li, SZ
机构：
[1] Beijing Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China
[2] Inst Precious Met, Kunming 650221, Peoples R China
[3] Guangxi Inst Mech & Elect Technol, Nanning 530007, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2004年 / 14卷 / 01期
关键词：
Ti61.67Zr17.15Ni14.80Cu6.38 metallic glass; crystallization behavior; glass forming ability; brazing;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Ti-61.67 Zr-17.15 Ni-14.80 Cu-6.38 (atom fraction, %) metallic glass has applications in brazing. Using the hammer-and-anvil technique, Ti61.67Zr17.15Ni14.80Cu6.38 metallic glass was prepared. The crystallization behavior for this metallic glass was investigated by differential scanning calorimetry (DSC), X-ray diffractometry (XRD) and transmission electron microscopy (TEM). There are three stages in DSC curves of crystallization. The reduced glass temperature T-rg is 0.42. The kinetic parameters of crystallization were calculated by a set of equations of the maximum crystallization rate. The crystalline phase formed in the MSI(Metastable stage I) is Zr2Cu, in the MSII is alpha-Ti and in the MSIII is Ti2Ni. This kind of alloy has lower glass forming ability, and the Ti61.67Zr17.15Ni14.80Cu6.38 metallic glass has lower thermal stability.
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页码：156 / 160
页数：5
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