Relaxation of internal friction and shear viscosity in Zr57Nb5Al10Cu15.4Ni12.6 metallic glass

被引：11
作者：
Duan, Y. J. [1 ]
Yang, D. S. [1 ]
Qiao, J. C. [1 ]
Crespo, D. [2 ,3 ]
Pelletier, J. M. [4 ]
Li, Lugee [5 ]
Gao, K. [5 ]
Zhang, T. [5 ]
机构：
[1] Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Peoples R China
[2] Univ Politecn Cataluna, Barcelona Res Ctr Multiscale Sci & Technol, Dept Fis, Barcelona 08930, Spain
[3] Univ Politecn Cataluna, Inst Tecn Energet, Barcelona 08930, Spain
[4] Univ Lyon, INSA Lyon, MATEIS, UMR CNRS5510, Bat B Pascal, F-69621 Villeurbanne, France
[5] Dongguan Yihao Met Technol Co Ltd, Dongguan 523662, Peoples R China
来源：
INTERMETALLICS | 2020年 / 124卷
关键词：
Metallic glasses; Internal friction; Mechanical relaxation; Structural heterogeneity; Shear viscosity; STRUCTURAL RELAXATION; MECHANICAL RELAXATIONS; ELASTIC PROPERTIES; AMORPHOUS ALLOY; BULK; BEHAVIOR; DEFORMATION; HETEROGENEITIES; TEMPERATURE; FREQUENCY;
D O I：
10.1016/j.intermet.2020.106846
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Relaxation of internal friction of Zr57Nb5Al10Cu15.4Ni12.6 metallic glass was investigated by mechanical spectroscopy. The stress relaxation of internal friction with different aging temperature was described by Kohlrausch-Williams-Watts (KWW) equation. The shear viscosity behavior during linear heating can be interpreted as a result of the local irreversible structural relaxation with distributed activation energies. The results show that the dynamic heterogeneity and the atomic mobility are stimulated by the increasing annealing temperature.
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收藏
页数：6
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