材料科学技术(英文版)2021，Vol.81Issue(22) ：123-130.

Structural homology of the strength for metallic glasses

Weiming Yang Xinfa Sun Haishun Liu Changfeng Yu Wenyu Li Akihisa Inoue Daniel (S)opu Jürgen Eckert Chunguang Tang
材料科学技术(英文版)2021，Vol.81Issue(22) ：123-130.
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Structural homology of the strength for metallic glasses

Weiming Yang 1Xinfa Sun 1Haishun Liu 1Changfeng Yu 2Wenyu Li 1Akihisa Inoue 3Daniel (S)opu 4Jürgen Eckert 5Chunguang Tang6
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作者信息

  • 1. School of Mechanics and Civil Engineering,State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou 221116,China
  • 2. Departments of Physics,College of Science,Xi'an Polytechnic University,Xi'an 710048 China
  • 3. School of Mechanics and Civil Engineering,State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou 221116,China;International Institute of Green Materials,Josai International University,Togane,283-8555,Japan
  • 4. Erich Schmid Institute of Materials Science,Austrian Academy of Science,8700 Leoben,Austria
  • 5. Erich Schmid Institute of Materials Science,Austrian Academy of Science,8700 Leoben,Austria;Department of Materials Science,Chair of Materials Physics,Montanuniversit(a)t Leoben,8700 Leoben,Austria
  • 6. Research School of Chemistry,Energy Change Institute,Australian National University,Canberra ACT 2601,Australia
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Abstract

The structure-property relationship,one of the central themes in materials science,is far from being well understood for metallic glasses (MGs) due to the great complexity of their amorphous structures.Based on the analysis of published experimental data for 165 MGs from more than 15 different alloy systems,the present study reveals a universal dependence of mechanical properties (Young's moduli,shear moduli and yield strength) on simple structural parameters (the inter-atomic distance and/or valence electron density) originating from the interatomic potential and Fermi sphere-Brillouin zone interaction.This work establishes a structure-property relationship for metallic glasses and provides insights into the fundamentals of the mechanical properties of disordered systems.

Key words

Metallic glasses/Structure-property relationship/Mechanical properties/Inter-atomic distance/Valence electron density

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基金项目

出版年

2021
材料科学技术(英文版)
中国金属学会 中国材料研究学会 中国科学院金属研究所

材料科学技术(英文版)

CSTPCDCSCDSCI
影响因子：0.657
ISSN：1005-0302
参考文献量163
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