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首页> 外文期刊>Journal of Materials Research >Microstructure evolution and enhanced mechanical properties of hot rolled Mg-3A1-Zn alloy with the addition of Al and Si as a eutectic alloy
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Microstructure evolution and enhanced mechanical properties of hot rolled Mg-3A1-Zn alloy with the addition of Al and Si as a eutectic alloy

机译：以Al和Si为共晶合金的热轧Mg-3A1-Zn合金的组织演变和增强的力学性能。

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摘要

Mg-3A1-Zn alloy with the addition of Al and Si as a eutectic alloy was subjected to conventional hot rolling. The corresponding mechanical properties, microstructure evolution, and dynamic recrystallization mechanism were investigated by optical microscope, scanning electron microscope, electron backscattered diffraction (EBSD), and tensile tests. The experimental results indicated that the Mg-3(A1-Si)-Zn alloy had a microstructure refinement, thus rendering an enhanced mechanical properties in comparison with the Mg-3A1-Zn alloy. The refined Mg_2Si particles could act as potential nucleation sites for recrystallization in as-rolled Mg-3(A1-Si)-Zn alloy sheets, which resulted in more completely recrystallized regions through particle stimulated nucleation and a weakened basal texture compared to Mg-3A1-Zn alloy. The improvement in the tensile strength of the as-rolled Mg-3(A1-Si)-Zn alloy can be attributed to grain refinement and second phase strengthening caused by the refined Mg_2Si particles.
机译：将添加有Al和Si作为共晶合金的Mg-3A1-Zn合金进行常规的热轧。通过光学显微镜，扫描电子显微镜，电子背散射衍射（EBSD）和拉伸试验研究了相应的力学性能，微观组织演变和动态再结晶机理。实验结果表明，Mg-3（A1-Si）-Zn合金具有微细化的组织，因此与Mg-3A1-Zn合金相比，具有更高的机械性能。精制的Mg_2Si颗粒可作为轧制Mg-3（A1-Si）-Zn合金薄板中潜在的成核位点，与Mg-3A1相比，通过颗粒激发的成核作用和较弱的基础织构，可导致更完全的再结晶区域-锌合金。 Mg-3（Al-Si）-Zn合金的拉伸强度的提高可归因于细化的Mg_2Si颗粒引起的晶粒细化和第二相强化。

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  • 来源
    《Journal of Materials Research》 |2017年第18期|3564-3573|共10页
  • 作者

    Liuwei Zheng; Kaibo Nie; Huihui Nie; Wanggang Zhang; Wei Liang; Yide Wang;

  • 作者单位

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China, and Shanxi Institute of Energy, Taiyuan 030600, China;

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, and College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;

    Shanxi Key Laboratory of Advanced Magnesium-based Materials, Taiyuan 030024, China, and Taiyuan Iron and Steel (Group) Co., LTD, Taiyuan 030003, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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