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Effect of Mn addition on microstructure, texture and mechanical properties of Mg-Zn-Ca alloy

机译:锰的添加对Mg-Zn-Ca合金组织,织构和力学性能的影响

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摘要

The effect of trace Mn addition on the microstructure, texture and mechanical properties of the as-cast and as-extruded Mg-5.25wt.% Zn-0.6wt.% Ca (ZX51) alloys was investigated in this study. Mn addition had a negligible effect on the grain size of the as-cast ZX51 alloy. However, the addition of Mn led to the obvious decrease of grain size in the as-extruded Mg-5.25 wt.% Zn-0.6 wt.% Ca-0.3 wt.% Mn (ZXM510) alloy, because the Mn addition restricted the grain growth during the hot extrusion process. After the addition of Mn, the basal fiber texture with most of {0002} planes parallel to the extrusion direction (ED) was significantly enhanced in the as-extruded ZXM510 alloy. Both tensile yield strength (TYS) and ultimate tensile strength (UTS) were increased in the as-extruded ZXM510 alloy, while the ductility was slightly decreased, which was ascribed to the grain refinement and texture strengthening.
机译:本研究研究了微量Mn的添加对铸态和挤压态Mg-5.25wt。%Zn-0.6wt。%Ca(ZX51)合金的组织,织构和力学性能的影响。 Mn的添加对铸态ZX51合金的晶粒尺寸的影响可忽略不计。然而,Mn的添加导致挤压出的Mg-5.25 wt。%Zn-0.6 wt。%Ca-0.3 wt。Mn(ZXM510)合金中晶粒尺寸的明显减小,因为Mn的添加限制了晶粒在热挤压过程中生长。添加Mn后,在刚挤压的ZXM510合金中,具有大部分{0002}平面平行于挤压方向(ED)的基础纤维织构得到显着增强。挤压后的ZXM510合金的抗拉屈服强度(TYS)和极限抗拉强度(UTS)均增加,而延展性略有下降,这归因于晶粒细化和织构强化。

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  • 来源
    《Materials Science and Engineering》 |2011年第11期|p.3741-3747|共7页
  • 作者单位

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China,Department of Mechanical Engineering, Nagaoka University ofTechnology, Nagaoka 940-2188, Japan;

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

    Department of Mechanical Engineering, Nagaoka University ofTechnology, Nagaoka 940-2188, Japan;

    Department of Mechanical Engineering, Nagaoka University ofTechnology, Nagaoka 940-2188, Japan;

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;

    Institute of Materials Research, GKSS Research Center, Ceesthacht, Germany;

    Institute of Materials Research, GKSS Research Center, Ceesthacht, Germany,Institute of Materials Science and Engineering, Clausthal University ofTechnology, Qausthal-Zellerfeld 38678, Germany;

    Northeast Light Alloy Company Limited, Harbin 150060, China;

    Northeast Light Alloy Company Limited, Harbin 150060, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    mg-zn-ca alloy; mn; microstructure; texture; mechanical properties;

    机译:mg-zn-ca合金;mn;微观结构质地;机械性能;

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