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Ageing behavior and mechanisms of strengthening and toughening of ultrahigh-strength Mg-Gd-Y-Zn-Mn alloy

机译：超高强度Mg-Gd-Y-Zn-Mn合金加固和加固的老化行为及机理

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摘要

The ageing behavior of as-extruded Mg-1.5Gd-1.3Y-0.6Zn-0.6Mn (at%) alloy was investigated. The strength and ductility are simultaneously improved during ageing at the peak hardness platform. The alloy aged for 100 h exhibits ultrahigh ultimate tensile strength (UTS) of 538 MPa and good elongation to failure (EL) of 13.1%.
机译：研究了用挤出的Mg-1.5GD-1.3Y-0.6Zn-0.6Mn（以％）合金的老化行为。在峰硬度平台时，在老化期间同时改善强度和延展性。为100h的合金展示了538MPa的超高极限拉伸强度（UT），良好的伸长率（EL）为13.1％。

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  • 来源
    《Materials Science and Engineering》 |2019年第5期|96-98|共3页
  • 作者

    Liu Shijie; Wang Kui; Wang Jingfeng; Huang Song; Gao Shiqing; Peng Xing; Hu Hao; Pan Fusheng;

  • 作者单位

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Special Equipment Inspect & Res Inst Chongqing 401121 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

    Chongqing Univ Coll Mat Sci & Engn Natl Engn Res Ctr Magnesium Alloys Chongqing 400044 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Magnesium; Rare earth; Mechanical properties; beta' precipitates; Stacking faults;

    机译：镁;稀土;机械性能;β'沉淀;堆叠故障;

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