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Investigations of Solidification Structures of High Carbon Alloy Cast Steel Containing RE-V-Ti

机译：含RE-V-Ti的高碳合金铸钢的凝固组织研究

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摘要

The solidification microstructural characteristics of rare earth (RE) and vanadium and titanium-treated high carbon alloy cast steel, whose chemical compositions are 0.90 wt.% C, 3.0 wt.% Si, and 1.0 wt.% Mn, were investigated by means of optical microscopy (OM), scanning electron microscopy (SEM), electron probe microanalyzer (EPMA), and energy dispersive X-ray spectrometry (EDS). The alloys were prepared in an induction furnace. The results showed that compound additions of RE-V-Ti could obviously refine the solidification structures and decrease the diameter of grains. The average grain diameter of untreated high carbon alloy cast steel was 80 μm. The average grain diameter of high carbon alloy cast steel containing RE-V-Ti decreased to 40 μm. Finally, the reasons that RE-V-Ti refined the solidification structure were analyzed in detail.
机译：稀土（RE）和钒和钛处理的高碳合金铸钢（其化学成分为0.90 wt。％C，3.0 wt。％Si和1.0 wt。％Mn）的凝固组织结构特征通过以下方法进行了研究：光学显微镜（OM），扫描电子显微镜（SEM），电子探针显微分析仪（EPMA）和能量色散X射线光谱仪（EDS）。合金在感应炉中制备。结果表明，RE-V-Ti复合添加可以明显改善凝固组织，减小晶粒直径。未处理的高碳合金铸钢的平均粒径为80μm。含有RE-V-Ti的高碳合金铸钢的平均粒径减小到40μm。最后，详细分析了RE-V-Ti细化凝固组织的原因。

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  • 作者

    Hanguang Fu; Yinhu Qu; Jiandong Xing;

  • 作者单位

    State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and Engineering Xi’an Jiaotong University 28 Xianning West Road Xi’an 710049 Shaanxi Province P.R. China;

    School of Electromechanical Engineering Xi’an Polytechnic University Xi’an 710048 Shaanxi Province P.R. China;

    State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and Engineering Xi’an Jiaotong University 28 Xianning West Road Xi’an 710049 Shaanxi Province P.R. China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    cast steel; rare earth; refinement; solidification structure; titanium;

    机译：铸钢;稀土;精炼;凝固组织;钛;

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