In situ TEM observation of phase transformation in bulk metallic glass composites

Huaping Sheng; Long Zhang; Haifeng Zhang; Jianbo Wang; Jürgen Eckert; Christoph Gammer

doi:10.1080/21663831.2020.1867919

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In situ TEM observation of phase transformation in bulk metallic glass composites

Original Report | 更新时间：2026-08-19

- In situ TEM observation of phase transformation in bulk metallic glass composites
- In situ TEM observation of phase transformation in bulk metallic glass composites
- 材料研究快报（英文） 2021年9卷第4期页码：189-194
- 作者机构：
  
  1. a Erich Schmid Institute of Materials Science Austrian Academy of Sciences
  2. b Shi-changxu Innovation Center for Advanced Materials Institute of Metal Research Chinese Academy of Sciences
  3. c School of Physics and Technology Center for Electron Microscopy MOE Key Laboratory of Artificial Micro- and Nano-structures and Institute for Advanced Studies Wuhan University
  4. a Erich Schmid Institute of Materials Science Austrian Academy of Sciences Leoben Austria
  5. d Department of Material Science Montanuniversität Leoben
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1867919
  中图分类号：
- 网络首发：2021-01-17，
  
  纸质出版：2021
- 稿件说明：
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Huaping Sheng, Long Zhang, Haifeng Zhang, 等. In situ TEM observation of phase transformation in bulk metallic glass composites[J]. 材料研究快报（英文）, 2021,9(4):189-194.

Huaping Sheng, Long Zhang, Haifeng Zhang, et al. In situ TEM observation of phase transformation in bulk metallic glass composites[J]. Materials Research Letters, 2021, 9(4): 189-194.
Huaping Sheng, Long Zhang, Haifeng Zhang, 等. In situ TEM observation of phase transformation in bulk metallic glass composites[J]. 材料研究快报（英文）, 2021,9(4):189-194. DOI： 10.1080/21663831.2020.1867919.

Huaping Sheng, Long Zhang, Haifeng Zhang, et al. In situ TEM observation of phase transformation in bulk metallic glass composites[J]. Materials Research Letters, 2021, 9(4): 189-194. DOI： 10.1080/21663831.2020.1867919.

摘要

Abstract

Transformation-induced plasticity is a fundamental solution for improving the ductility of bulk metallic glass composites (BMGCs). However

the underlying mechanism remains controversial. Here

by using

in situ

transmission electron microscopy

we present direct observation of the transformation dynamics from

phase to α’ phase of the crystalline dendrites in a TiZrCuBe BMGC under uniaxial tensile deformation. The transformation redistributes the stress in the adjacent matrix

making interfacial regions potential preferential sites for shear band nucleation. The high density of nucleation sites is believed to promote the formation of shear band networks and enhance the ductility of BMGCs.

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相关机构

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University

a State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi'an People’s Republic of China

b Chongqing Innovation Center Northwestern Polytechnical University

c Shaanxi Key Laboratory of Electrical Materials and Infiltration Technology School of Materials Science and Engineering Xi'an University of Technology

Department of Nuclear Science and Technology Xi'an Jiaotong University

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