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首页> 外文会议>The 2nd International symposium on clean steel >Inclusions in Runner Steel During Ingot Casting
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Inclusions in Runner Steel During Ingot Casting

机译：铸锭时流道钢中的夹杂物

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摘要

This paper reported the observation of inclusions in the steel of an ingot runner. Thermodynamic modeling was performed to study the formation mechanism and sources of inclusions. CFD modeling on fluid flow, heat transfer, solidification of molten steel was carried out and the entrapment of inclusions in runner steel was predicted and compared with the measurement. Al2O3-based inclusions were the main ones in the steel samples. MgO-AkC^ mainly stemmed from the lining refractory. The high MnO inclusions in the runner steel came from the runner slag. The effect of natural convection was very important for the cooling and solidification of the steel in the runner. Both the observation and the modeling show that > 50μm inclusions more accumulated on the upper area in the runner and < 50μm inclusions dispersed well and more accumulated on the lower area of the runner.
机译：本文报道了铸锭流道钢中夹杂物的观察结果。进行热力学建模以研究夹杂物的形成机理和来源。进行了流体流动，传热，钢水凝固的CFD建模，并预测了流道钢中夹杂物的截留并与测量结果进行了比较。 Al2O3基夹杂物是钢样品中的主要夹杂物。 MgO-AkCl 2主要源于衬里耐火材料。流道钢中的高MnO夹杂物来自流道炉渣。自然对流的影响对于流道中钢的冷却和凝固非常重要。观测和建模均显示，>50μm夹杂物在流道的上部区域更多地聚集，<50μm夹杂物良好地分散并且在流道的下部区域。

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  • 来源
  • 会议地点 Shenyang(CN)
  • 作者

    ZHANG Li-feng; YANG Shu-feng; DAMOAH N. W. Lucas;

  • 作者单位

    Department of Material Science Engineering Missouri University of Science and Technology (Missouri ST) 223 McNutt Hall, Rolla, MO 65409-0330, USA;

    Department of Material Science Engineering Missouri University of Science and Technology (Missouri ST) 223 McNutt Hall, Rolla, MO 65409-0330, USA;

    Department of Material Science Engineering Missouri University of Science and Technology (Missouri ST) 223 McNutt Hall, Rolla, MO 65409-0330, USA;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 炼钢;
  • 关键词

    steel; Inclusions; ingot casting; fluid flow; entrapment; modeling;

    机译：钢;夹杂物铸锭流体流量陷害造型;;

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