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Effects of the addition of Ca and Sb on the microstructure and mechanical properties of AZ91 magnesium

机译：Ca和Sb的添加对AZ91镁合金组织和力学性能的影响

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摘要

The microstructure and mechanical properties of AZ91 magnesium with Ca and Sb additives were investigated. Adding 2 wt% Ca refines the microstructure, reduces the amount of the Mg_(17)Al_(12) phase significantly, and forms a new Al_4Ca phase that is reticular in AZ91 magnesium; the tensile strength and elongation properties of the AZ91-2Ca alloys decrease at room temperature (RT). However, with the addition of Ca and Sb, the microstructure is further refined, and a new Ca_2Sb phase is formed in AZ91 magnesium with a 0.1%-1.0 wt% Sb addition. Furthermore, the microstructure and mechanical properties of the alloys with the 0.4 wt% Sb addition are found to be optimum.
机译：研究了含Ca和Sb添加剂的AZ91镁的组织和力学性能。添加2 wt％的Ca可改善组织，降低Mg_（17）Al_（12）相的含量，并形成在AZ91镁中呈网状的新Al_4Ca相。室温下（RT）AZ91-2Ca合金的拉伸强度和伸长率性能下降。然而，通过添加Ca和Sb，进一步细化了组织，并且在AZ91镁中添加了0.1％-1.0 wt％的Sb形成了新的Ca_2Sb相。此外，发现添加0.4wt％Sb的合金的显微组织和机械性能是最佳的。

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  • 来源
    《Materials Science and Engineering》 |2013年第10期|262-267|共6页
  • 作者

    Yuan Chen; Hao Liu; Ruiyu Ye; Guangqiong Liu;

  • 作者单位

    College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China,National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, PR China;

    College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China;

    College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China;

    College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China;

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

    Sb; Ca; AZ91 magnesium; Microstructure; Mechanical properties;

    机译：锑钙AZ91镁;微观结构机械性能;

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