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首页> 外文期刊>Materials Science and Engineering >Combining surface mechanical attrition treatment with friction stir processing to optimize the mechanical properties of a magnesium alloy
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Combining surface mechanical attrition treatment with friction stir processing to optimize the mechanical properties of a magnesium alloy

机译：结合摩擦搅拌加工的表面机械磨削处理，优化镁合金的机械性能

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摘要

Friction stir processing (FSP) and surface mechanical attrition treatment (SMAT) were performed on an AZ31 magnesium alloy to improve the mechanical properties. The microstructure, macro-texture, as well as mechanical properties were investigated by optical microscopy, transmission electron microscopy, X-ray diffractometer and uniaxial tensile tests respectively. FSP significantly refined the initial grain structure and modified the texture of the experimental material; and the elongation got increased with a loss in yield and flow stresses. SMAT introduced a severely localized deformation layer on sample surfaces, which greatly strengthened the local micro-hardness and yield stress of parental matrix. By combining SMAT with FSP, the loss in yield and flow stresses caused by FSP could be well compensated by the SMAT routing. This optimized the mechanical properties of the experimental material.
机译：在AZ31镁合金上进行摩擦搅拌加工（FSP）和表面机械磨损处理（SMAT）以改善机械性能。通过光学显微镜，透射电子显微镜，X射线衍射仪和单轴拉伸试验研究了微观结构，宏观纹理以及机械性能。 FSP显着精制初始晶粒结构并改性实验材料的质地;并且伸长率随着产量和流量应力的损失而增加。 Smat在样品表面上引入了严重的局部变形层，这大大加强了父母基质的局部微硬度和屈服应力。通过将SMAT与FSP组合，由SMAT布线可以很好地补偿由FSP引起的产量和流量应力的损失。这优化了实验材料的机械性能。

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  • 来源
    《Materials Science and Engineering》 |2019年第may22期|184-189|共6页
  • 作者

    Zhang Zhen; Li Yaozu; Peng Jinhua; Guo Peng; Huang Jian; Yang Pengju; Wang Shan; Chen Chang; Zhou Wei; Wu Yucheng;

  • 作者单位

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Natl Local Joint Res Ctr Nonferrous Met Mat & Pro Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Natl Local Joint Res Ctr Nonferrous Met Mat & Pro Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Hefei Univ Technol Inst Ind & Equipment Technol Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Natl Local Joint Res Ctr Nonferrous Met Mat & Pro Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Hefei Univ Technol Inst Ind & Equipment Technol Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Natl Local Joint Res Ctr Nonferrous Met Mat & Pro Hefei 230009 Anhui Peoples R China;

    Hefei Univ Technol Inst Ind & Equipment Technol Hefei 230009 Anhui Peoples R China|Nanyang Technol Univ Sch Mech & Aerosp Engn 50 Nanyang Ave Singapore Singapore;

    Hefei Univ Technol Sch Mat Sci & Engn Hefei 230009 Anhui Peoples R China|Natl Local Joint Res Ctr Nonferrous Met Mat & Pro Hefei 230009 Anhui Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Friction stir processing; Surface mechanical attrition treatment; Mechanical properties; Yield strength;

    机译：摩擦搅拌加工;表面机械磨损处理;机械性能;屈服强度;

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