Environmental transmission electron microscopy study of hydrogen charging effect on a Cu-Zr metallic glass

Lin Tian; Yue-Qing Yang; Tobias Meyer; Dominik Tönnies; Vladimir Roddatis; Hendrik Voigt; Xin-Ai Zhao; Zhang-Jie Wang; De-Gang Xie; Michael Seibt; Cynthia A. Volkert; Zhi-Wei Shan

doi:10.1080/21663831.2020.1791273

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Environmental transmission electron microscopy study of hydrogen charging effect on a Cu-Zr metallic glass

Original Reports | 更新时间：2026-08-19

- Environmental transmission electron microscopy study of hydrogen charging effect on a Cu-Zr metallic glass
- Materials Research Letters Vol. 8, Issue 12, Pages: 439-445(2020)
- 作者机构：
  
  1. a Center for Advancing Materials Performance from the Nanoscale (CAMP-NANO) and Hysitron Applied Research Center in China (HARCC) State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University Xi’an People’s Republic of China
  2. a Center for Advancing Materials Performance from the Nanoscale (CAMP-NANO) and Hysitron Applied Research Center in China (HARCC) State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University
  3. c 4th Physical Institute – Solids and Nanostructures University of Göttingen
  4. b Institute of Materials Physics University of Göttingen
  5. b Institute of Materials Physics University of Göttingen Göttingen Germany
  6. d German Research Centre for Geosciences (GFZ) Helmholtz-Potsdam,Centre
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1791273
  CLC：
- Online First：26 July 2020，
  
  Published：2020
- 稿件说明：
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Lin Tian, Yue-Qing Yang, Tobias Meyer, et al. Environmental transmission electron microscopy study of hydrogen charging effect on a Cu-Zr metallic glass[J]. Materials Research Letters, 2020, 8(12): 439-445.
DOI：

Lin Tian, Yue-Qing Yang, Tobias Meyer, et al. Environmental transmission electron microscopy study of hydrogen charging effect on a Cu-Zr metallic glass[J]. Materials Research Letters, 2020, 8(12): 439-445. DOI： 10.1080/21663831.2020.1791273.

摘要

Abstract

Hydrogen induced plasticity has been found in metallic glasses; however

the underlying mechanism remains unclear. Herein

we studied a Cu-Zr metallic glass charged in a hydrogen atmosphere inside an environmental transmission electron microscope. Compression tests of hydrogen charged nanopillars show more controllable deformation compared to uncharged ones. A variable resolution fluctuation electron microscopy study of the hydrogen charged samples reveals an increase in the correlation length of the medium-range order. Our results provide experimental evidence for hydrogen-induced heterogeneity and support the idea that increasing the degree of heterogeneity leads to multiple local shear events and suppresses catastrophic shear banding.

IMPACT STATEMENT

Direct evidence of an increase in the spatial correlation length of the medium-range order is found during hydrogen charging of a Cu-Zr metallic glass and leads to enhanced plastic deformation.

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