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.

引用

页数：6

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