Correlation between quenching temperature and internal friction behavior in Zr55Al10Ni5Cu30 bulk metallic glasses

被引：7

作者：

Wang, Zhi-zhi ^{[1
]}

Zu, Fang-qiu ^{[1
]}

Zhang, Zhang ^{[2
]}

Cui, Xiao ^{[1
]}

Li, Liang ^{[1
]}

Shui, Jia-peng ^{[3
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China

[3] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2011年 / 208卷 / 12期

基金：

中国国家自然科学基金;

关键词：

bulk metallic glasses; internal friction; mechanical relaxations; quenching; LIQUID; ALLOYS; NI;

D O I：

10.1002/pssa.201026692

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It is widely accepted that the structures and properties of solids are influenced greatly by its matrilineal liquid state. In the present paper, the correlation between the internal friction behavior of Zr55Al10Ni5Cu30 BMG samples and their quenching temperatures was investigated. The measured tan???-?T curves showed that the positions of internal friction peaks did not change with frequencies for all samples. But they were shifted to higher temperature with the quenching temperature elevated. In the supercooled liquid, the higher the melt temperature was, the lower the internal friction was. Based on the theory of Perez, the correlation parameter ? was deduced from tan???-?f curves in the vicinity of Tg. The change of the value of ? showed that the melt temperature had significantly influence on the mechanical relaxation of metallic glasses.

引用

页码：2760 / 2764

页数：5

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