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Homogeneous elongation and distinguishing work hardening in La-based metallic glass composites upon dynamic tension

机译:动态拉伸作用下La基金属玻璃复合材料的均质伸长率和与众不同的加工硬化

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摘要

In-situLa74Al14Cu6Ni6metallic glass matrix composites exhibit distinct work-hardening capability under quasi-static tension, attributed to the profuse deformation twins. Under dynamic tension, 2% tensile ductility and significant negative strain rate sensitivity (SRS) of the yielding strength was revealed. A modified Cooperative-Shear model was employed to explain the negative SRS behavior.
机译:原位La74Al14Cu6Ni6金属玻璃基复合材料在准静态拉伸下表现出独特的加工硬化能力,这归因于大量的形变孪晶。在动态张力下,显示出2%的拉伸延展性和屈服强度的显着负应变率敏感性(SRS)。修改后的合作剪切模型用于解释负面的SRS行为。

著录项

  • 来源
    《Materials Science and Engineering》 |2018年第24期|329-334|共6页
  • 作者单位

    Laboratory of Applied Physics and Mechanics of Advanced Materials, College of Materials Science and Engineering, Taiyuan University of Technology,Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology;

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

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

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

    Laboratory of Applied Physics and Mechanics of Advanced Materials, College of Materials Science and Engineering, Taiyuan University of Technology,Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology;

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

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

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metallic glass matrix composites; Shear bands; Work-hardening; Dynamic tension; Strain rate sensitivity;

    机译:金属玻璃基复合材料;剪切带;加工硬化;动态张力;应变率敏感性;

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