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首页> 外文期刊>Materials Science and Engineering >Effect of current frequency on the mechanical properties, microstructure and texture evolution in AZ31 magnesium alloy strips during electroplastic rolling
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Effect of current frequency on the mechanical properties, microstructure and texture evolution in AZ31 magnesium alloy strips during electroplastic rolling

机译：电流频率对AZ31镁合金带电轧制过程中力学性能，组织和组织演变的影响

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摘要

The effect of electroplastic rolling (ER) on the mechanical properties, microstructure and texture in the AZ31 magnesium alloy strips has been investigated by tensile testing and electron back scattered diffraction (EBSD) methods. It is shown that the mechanical properties, microstructure, and texture are highly current frequency-dependent. Best mechanical properties are obtained from the 500 Hz ER specimen by carrying out tensile tests for all the rolled strips. Besides, the frequencies of twin boundaries, which are reduced to the minimum at 500 Hz, vary with the current frequency. Moreover, it can be seen from the calculated (0001) and (101-bar0) pole figures that texture evolved into an obvious off-basal texture, and non-basal slip systems are activated under 500 Hz. The mechanisms of twinning growth and texture evolution in AZ31 magnesium alloy strips during ER are considered to be responsible for the experimental results.
机译：通过拉伸试验和电子反向散射衍射（EBSD）方法研究了电塑性轧制（ER）对AZ31镁合金带材的机械性能，显微组织和织构的影响。结果表明，机械性能，微观结构和织构高度依赖于电流频率。通过对所有轧制带材进行拉伸测试，可以从500 Hz ER试样获得最佳机械性能。此外，孪晶边界的频率（在500 Hz时降至最低）随当前频率变化。此外，从计算的（0001）和（101-bar0）极图可以看出，纹理演变为明显的基外纹理，非基滑系统在500 Hz下被激活。 ER期间AZ31镁合金带材的孪生生长和织构演变的机理被认为是实验结果的原因。

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  • 来源
    《Materials Science and Engineering》 |2014年第26期|406-413|共8页
  • 作者

    Xiaopei Li; Guoyi Tang; Jie Kuang; Xiaohui Li; Jing Zhu;

  • 作者单位

    Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China,Beijing National Center for Electron Microscopy, School of Materials Science and Engineering, The State Key Laboratory of New Ceramics and Fine Processing, Laboratory of Advanced Materials (MOE), Tsinghua University, Beijing 100084, PR China;

    Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China;

    Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China;

    Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China;

    Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China,Beijing National Center for Electron Microscopy, School of Materials Science and Engineering, The State Key Laboratory of New Ceramics and Fine Processing, Laboratory of Advanced Materials (MOE), Tsinghua University, Beijing 100084, PR China;

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  • 正文语种 eng
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  • 关键词

    Electroplastic rolling; Microstructure; Texture; AZ31 magnesium alloy strips; Non-basal slip;

    机译：塑胶轧制;微观结构质地;AZ31镁合金带;非基底滑;

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