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首页> 外文期刊>ISIJ international >Dynamic Changes in Interfacial Tension between Liquid Fe Alloy and Molten Slag Induced by Chemical Reactions
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Dynamic Changes in Interfacial Tension between Liquid Fe Alloy and Molten Slag Induced by Chemical Reactions

机译：化学反应引起的液态铁合金与熔渣界面张力的动态变化

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摘要

The authors investigated the change in the interfacial tension with time for various combinations of molten slag and liquid Fe to elucidate the mechanism of the change in interfacial tension between liquid Fe alloy and molten slag over time accompanying reduction/oxidation reactions. The behavior of the change in the interfacial tension over time can be explained by the adsorption of oxygen at the interface and the diffusion of oxygen from the interface into the bulk of the liquid Fe and molten slag. In addition to that, we found that the interfacial tension decreases slowly and greatly from its initial value to a minimum point and then increases slowly to the final equilibrium state when molten silicate slag with low viscosity is brought into contact with liquid Fe without Al content and some of its SiO_2 decomposes and dissolves into the liquid Fe. From these results, we suggest that the detachment of oxygen adsorbed at the interface into the liquid Fe is very slow and may be the rate-limiting step.
机译：作者研究了熔渣和液态铁的各种组合的界面张力随时间的变化，以阐明伴随还原/氧化反应的液态铁合金与熔渣之间的界面张力随时间变化的机理。界面张力随时间变化的行为可以通过界面处氧气的吸附以及氧气从界面向液体铁和熔渣的大部分中的扩散来解释。除此之外，我们发现当低粘度的熔融硅酸盐炉渣与没有铝含量的液态铁接触时，界面张力会从其初始值到最小点缓慢且大幅降低，然后缓慢增加至最终平衡状态。它的一些SiO_2分解并溶解到液态铁中。根据这些结果，我们认为在界面处吸附的氧向液体Fe的脱离非常缓慢，这可能是限速步骤。

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  • 来源
    《ISIJ international》 |2016年第6期|944-952|共9页
  • 作者

    Toshihiro TANAKA; Hiroki GOTO; Masashi NAKAMOTO; Masanori SUZUKI; Masahito HANAO; Masafumi ZEZE; Hideaki YAMAMURA; Takeshi YOSHIKAWA;

  • 作者单位

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka, 565-0871 Japan;

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka, 565-0871 Japan;

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka, 565-0871 Japan;

    Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka, 565-0871 Japan;

    Steelmaking R&D division, Process Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation, 16-1, Kamiyama, Kamisu, Ibaraki, 314-0255 Japan;

    Steelmaking R&D division, Process Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation, 16-1, Kamiyama, Kamisu, Ibaraki, 314-0255 Japan;

    Steelmaking R&D division, Process Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation, 16-1, Kamiyama, Kamisu, Ibaraki, 314-0255 Japan;

    Institute of Industrial Science, The University of Tokyo, 4-6-1, Komaba, Meguro, Tokyo, 153-8505 Japan;

  • 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

    interfacial tension; liquid Fe; molten slag; viscosity; adsorption of oxygen;

    机译：界面张力;液态铁熔渣粘度氧气的吸附;

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