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首页> 外文期刊>Materials Science and Engineering >Effects of Sn on the microstructure and mechanical properties of a hot-extruded Mg-Zn-Y-Sn alloy
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Effects of Sn on the microstructure and mechanical properties of a hot-extruded Mg-Zn-Y-Sn alloy

机译：Sn对热挤压Mg-Zn-Y-Sn合金显微组织和力学性能的影响

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摘要

Microstructure and mechanical properties of the hot-extruded Mg-1.5 at% Zn-2.0 at% Y-xat% Sn (x = 0, 0.5, 1.0, 2.0) alloys were investigated. The ultimate tensile strength (UTS), yield strength (YS) and micro-hardness of the alloys reached the peak values in the alloy with 0.5 at% Sn. The values of the UTS, YS and micro-hardness of the hot-extruded Mg-1.5 at% Zn-2.0 at% Y-0.5 at% Sn alloy were 379 MPa, 230 MPa, and 89.1 HV. It was found that the enhanced mechanical properties in the hot-extruded Mg-1.5 at% Zn-2.0 at% Y-0.5 at% Sn alloy were attributed to the precipitated MgZnY particles with nanoscale size and the uniformed distribution of the LPSO phase.
机译：研究了热挤压Mg-1.5％at％Zn-2.0％at％Y-xat％Sn（x == 0，0.5，1.0，2.0）合金的组织和力学性能。合金的极限抗拉强度（UTS），屈服强度（YS）和显微硬度达到了0.5％at％Sn的合金峰值。热挤压的Mg-1.5％at％Zn-2.0％at％Y-0.5％at％Sn合金的UTS，YS和显微硬度分别为379 MPa，230 MPa和89.1 HV。结果发现，热挤压的Mg-1.5％at％的Zn-2.0％at％的Y-0.5％at％的Sn合金力学性能的提高归因于具有纳米级尺寸的析出的MgZnY颗粒和LPSO相的均匀分布。

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  • 来源
    《Materials Science and Engineering》 |2018年第may2期|121-130|共10页
  • 作者

    L. Ye; Y. Liu; D.S. Zhao; Y.L. Zhuang; S.B. Gao; X.Q. Liu; J.P. Zhou; J.N. Gui; J.B. Wang;

  • 作者单位

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    Shandong Academy of Sciences, Advanced Materials Institute;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University;

    School of Physics and Technology, Center for Electron Microscopy,and MOE Key Laboratory of Artificial Micro‐ and Nano-structures, Wuhan University,Department Science and Technology on High Strength Structural Materials Laboratory, Central South University;

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  • 正文语种 eng
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  • 关键词

    Magnesium alloy; LPSO phase; Phase transformation; Mechanical properties;

    机译：镁合金;LPSO相;相变;力学性能;

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