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Dynamic Compressive Deformation and Fracture of a Hollow Bulk Metallic Glass

     

摘要

The dynamic mechanical behaviors of hollow Zr41.2Ti13.8Cu12.5Ni10.0Be22.5 bulk metal glass (BMG) are investigated using a splitting Hopkinson pressure bar (SHPB) in this study. Upon dynamic compressive loading, the hollow specimen exhibit lower strength and poor ductility, caused by the higher stress concentration for the hollow one through FEM modeling. The different strain-rate responses for the hollow specimen are compared and explained. On the fracture surface of the hollow samples, there are highly dense vein patterns, many liquid drops and fishbone-like patterns.

著录项

  • 来源
    《金属学报(美国)》|2013年第3期|50-55|共6页
  • 作者单位

    ey Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan, China;

    Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China;

    Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan, China;

    Laboratory of Applied Physics and Mechanics of Advanced Materials, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, China;

    MicroNano System Research Center, Taiyuan University of Technology, Taiyuan, China;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 金属材料;
  • 关键词

    Bulk; Metallic; Glasses; Deformation; and; Fracture; Dynamic; Compressive; Loading;

  • 入库时间 2022-08-20 22:09:36

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