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首页> 外文期刊>ISIJ international >Effect of Interfacial Properties on the Characteristics and Clustering of Alumina Inclusions in Molten Iron
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Effect of Interfacial Properties on the Characteristics and Clustering of Alumina Inclusions in Molten Iron

机译：界面性能对铁水中氧化铝夹杂物特性和聚集的影响

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摘要

For the purpose of controlling the size of non-metallic inclusions in steel, the effect of interfacial properties of alumina inclusions and molten iron on the characteristics and clustering of alumina inclusions was investigated. The interfacial properties were modified by adding different amounts of Te to molten iron at 1873 K before Al deoxidization. When the melt is not stirred after Al addition, Te was found to decrease the size of alumina inclusions and to narrow the size distribution by promoting nucleation. This effect, however, fades out with increasing holding time. When the melt is stirred for 30 s after Al addition, Te favors alumina clustering. The mean diameter of alumina inclusions, the clustering degree and the average number of particles per cluster increase with increasing Te addition from 0 to 250 ppm, thereafter decrease with further Te addition. The effect of Te addition on the clustering of alumina inclusions is discussed from the viewpoint that Te makes alumina inclusions more faceted and Te decreases the surface tension of molten iron.
机译：为了控制钢中非金属夹杂物的尺寸，研究了氧化铝夹杂物和铁水的界面性能对氧化铝夹杂物的特性和聚集的影响。通过在Al脱氧前于1873 K向铁水中添加不同量的Te来改变界面性质。当添加Al后不搅拌熔体时，发现Te会减小氧化铝夹杂物的尺寸，并通过促进成核作用而使尺寸分布变窄。但是，随着保持时间的增加，这种效果逐渐消失。添加Al后将熔体搅拌30 s，Te有助于氧化铝团聚。氧化铝夹杂物的平​​均直径，团聚度和每团的平均颗粒数随Te添加量从0增加到250 ppm而增加，此后随着Te添加量的增加而减小。从Te使氧化铝夹杂物更多面化并且Te降低铁水的表面张力的观点出发，讨论了Te添加对氧化铝夹杂物的团聚的影响。

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  • 来源
    《ISIJ international》 |2015年第9期|1891-1900|共10页
  • 作者

    Lichun ZHENG; Annelies MALFLIET; Patrick WOLLANTS; Bart BLANPAIN; Muxing GUO;

  • 作者单位

    Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium;

    Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium;

    Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium;

    Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium;

    Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    alumina inclusions; size; clustering; interfacial properties; morphology;

    机译：氧化铝夹杂物;尺寸;集群界面性质;形态学;

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