Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses

M. Zhang; Y. Chen; R. G. He; S. F. Guo; J. Ma; L. H. Dai

doi:10.1080/21663831.2019.1620360

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Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses

Original Report | 更新时间：2026-08-19

- Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses
- Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses
- 材料研究快报（英文） 2019年7卷第9期页码：383-391
- 作者机构：
  
  1. Institute of Advanced Wear & Corrosion Resistant and Functional Materials Jinan University Guangzhou People’s Republic of China
  2. State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences
  3. State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences Beijing People’s Republic of China
  4. School of Engineering Sciences University of Chinese Academy of Sciences
  5. Faculty of Materials and Energy Southwest University
  6. Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering College of Mechatronics and Control Engineering Shenzhen University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1620360
  中图分类号：
- 网络首发：2019-05-22，
  
  纸质出版：2019
- 稿件说明：
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M. Zhang, Y. Chen, R. G. He, 等. Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses[J]. 材料研究快报（英文）, 2019,7(9):383-391.

M. Zhang, Y. Chen, R. G. He, et al. Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses[J]. Materials Research Letters, 2019, 7(9): 383-391.
M. Zhang, Y. Chen, R. G. He, 等. Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses[J]. 材料研究快报（英文）, 2019,7(9):383-391. DOI： 10.1080/21663831.2019.1620360.

M. Zhang, Y. Chen, R. G. He, et al. Probing the role of Johari–Goldstein relaxation in the plasticity of metallic glasses[J]. Materials Research Letters, 2019, 7(9): 383-391. DOI： 10.1080/21663831.2019.1620360.

摘要

Abstract

BSTRACTJohari–Goldstein (JG) relaxation closely relates to the shear transformation zones (STZs) in the flow of metallic glasses (MGs). However

the actual role played by JG relaxation in the STZ-evoked plastic deformation of MGs remains unknown. In this work

by substituting the transition metal (TM) element in La(TM)Al MGs (TM = Ni

CuNi) to tune the feature of JG relaxation

how JG relaxation alters the deformation behaviors of MGs is tentatively examined with nanoindentation. The results demonstrate that JG relaxation modulates the anelastic to plastic transition rate in the plastic deformation accommodation of MGs via a characteristic relaxation time.

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