Heterogeneous dynamics of metallic glasses

被引：7
|
作者：
Zhang, M. [1 ,2 ]
Dai, L. H. [2 ]
Liu, Y. [3 ]
Liu, L. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, Wuhan 430074, Peoples R China
[2] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
来源：
SCRIPTA MATERIALIA | 2015年 / 107卷
关键词：
Bulk metallic glass; Compression test; Small angle X-ray scattering; Microstructure; DEFORMATION; TRANSITION; PARTICLES; FLOW;
D O I：
10.1016/j.scriptamat.2015.05.034
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Heterogeneous dynamics in the flow of supercooled metallic liquids are revealed as the oscillated mechanical response in compression and evidenced to be consistent with the range of medium length scales over which structural rearrangements occur detected by small angle X-ray scattering (SAXS) in heating from room temperature to the supercooled liquid region. This range of medium length scales is suggested to be the structural origin of the heterogeneous dynamics of metallic glasses. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：111 / 114
页数：4
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