Relating structural heterogeneity to β relaxation processes in metallic glasses

D. P. Wang; J. C. Qiao; C. T. Liu

doi:10.1080/21663831.2019.1604441

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Relating structural heterogeneity to β relaxation processes in metallic glasses

Original Report | 更新时间：2026-08-19

- Relating structural heterogeneity to β relaxation processes in metallic glasses
- Relating structural heterogeneity to β relaxation processes in metallic glasses
- 材料研究快报（英文） 2019年7卷第8期页码：305-311
- 作者机构：
  
  1. School of Materials Science and Engineering Jiangsu University of Science and Technology Zhenjiang People’s Republic of China
  2. Centre for Advanced Structural Materials Department of Mechanical and Biomechanical Engineering City University of Hong Kong Hong Kong People’s Republic of China
  3. School of Mechanics Civil Engineering and Architecture Northwestern Polytechnical University
  4. Centre for Advanced Structural Materials Department of Mechanical and Biomechanical Engineering City University of Hong Kong
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1604441
  中图分类号：
- 网络首发：2019-04-22，
  
  纸质出版：2019
- 稿件说明：
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D. P. Wang, J. C. Qiao, C. T. Liu. Relating structural heterogeneity to β relaxation processes in metallic glasses[J]. 材料研究快报（英文）, 2019,7(8):305-311.

D. P. Wang, J. C. Qiao, C. T. Liu. Relating structural heterogeneity to β relaxation processes in metallic glasses[J]. Materials Research Letters, 2019, 7(8): 305-311.
D. P. Wang, J. C. Qiao, C. T. Liu. Relating structural heterogeneity to β relaxation processes in metallic glasses[J]. 材料研究快报（英文）, 2019,7(8):305-311. DOI： 10.1080/21663831.2019.1604441.

D. P. Wang, J. C. Qiao, C. T. Liu. Relating structural heterogeneity to β relaxation processes in metallic glasses[J]. Materials Research Letters, 2019, 7(8): 305-311. DOI： 10.1080/21663831.2019.1604441.

摘要

Abstract

BSTRACTThe β relaxation is a crucial feature in metallic glasses (MGs). However

its structural origin is not fully elucidated. Using a contact resonance atomic force microscope

we investigated the local structural heterogeneity of MGs and its correlation with β relaxations. It was found that MGs have various degrees of the heterogeneity

resulting in different intensities of β relaxations. Local zones with a prominent heterogeneity lead to a broad energy state distribution and more pronounced β relaxation. Our results provide a direct experimental evidence to clarify the mechanism of the β relaxations

suggesting a guideline for controlling β relaxations of MGs.

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相关机构

f School of Materials Science and Engineering Tsinghua University

e National Engineering Research Center of Light Alloy Net Forming Shanghai Jiao Tong University

d City University of Hong Kong Matter Science Research Institute (Futian)

c Department of Mechanical Engineering City University of Hong Kong Hong Kong People’s Republic of China

b Faculty of Mechanical Engineering and Mechanics Ningbo University

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