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首页> 外文期刊>Materials Science and Engineering >Effect of plasma electrolytic oxidation treatment on the mechanical properties of a Zr-Cu-Ni-Ti-Al bulk metallic glass
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Effect of plasma electrolytic oxidation treatment on the mechanical properties of a Zr-Cu-Ni-Ti-Al bulk metallic glass

机译:等离子体电解氧化处理对Zr-Cu-Ni-Ti-Al大块金属玻璃力学性能的影响

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摘要

In this study, the effect of plasma electrolytic oxidation (PEO) treatment on the mechanical properties of a Zr_(52.5)Cu_(25)Ni_(9.5)Ti_6Al_7 BMG was investigated by compression test. It was found that the PEO treatment can improve the room-temperature plasticity. After 30 min treatment, the plastic strain of BMG increases from 2.5% to 6.2%. The results indicated that the in-situ formed PEO coating can not only act as physical constraint to consume the kinetic energy of the propagating shear band, but also can introduce nu-cleation sites for shear bands due to stress concentration and compositional inhomogeneity. The present results provide a promising method to enhance the plasticity of BMGs through surface PEO treatment.
机译:本研究通过压缩试验研究了等离子体电解氧化(PEO)处理对Zr_(52.5)Cu_(25)Ni_(9.5)Ti_6Al_7 BMG力学性能的影响。发现PEO处理可以改善室温可塑性。处理30分钟后,BMG的塑性应变从2.5%增加到6.2%。结果表明,原位形成的PEO涂层不仅可以作为物理上的限制条件来消耗正在传播的剪切带的动能,而且由于应力集中和成分不均匀性,还可以为剪切带引入成核位置。本结果提供了通过表面PEO处理来增强BMG的可塑性的有前途的方法。

著录项

  • 来源
    《Materials Science and Engineering》 |2016年第30期|32-39|共8页
  • 作者单位

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;

    Shenzhen Key Laboratory of Special Functional Materials & Shenzhen Engineering Laboratory for Advance Technology of ceramics, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China,JANUS (Dongguan) Precision Components Co., Ltd., China;

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

    Bulk metallic glass; Plasma electrolytic oxidation; Plasticity; Shear bands;

    机译:大块金属玻璃;等离子体电解氧化;可塑性;剪切带;

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