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首页> 外文期刊>ISIJ international >Effect of Rb_20 on Inclusion Removal in C96V Saw Wire Steels Using Low-Basicity LF Refining Slag
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Effect of Rb_20 on Inclusion Removal in C96V Saw Wire Steels Using Low-Basicity LF Refining Slag

机译:Rb_20对采用低碱度LF精炼渣的C96V锯线钢中夹杂物去除的影响

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摘要

A novel Rb_2O-containing synthetic LF refining slag has been developed in order to produce ultraclean C96V saw wire steel. In addition, the thermodynamic and kinetics mechanism of Rb_2O on inclusion removal have been discussed fully. The results indicated that (1) Rb_2O additions (<10.00 wt%) seems to significantly enhance inclusion removal in steel melts. ® The average diameter of nonmetallic inclusions decreased significantly with the Rb_2O addition in synthetic LF refining slag increasing. In particular, the diameter of most of inclusions was less than 3.0 × 10~(-6) m (3.0 pm) when Rb_2O addition was 10.00 wt% ② The number of nonmetallic inclusions decreased sharply with the content of Rb_2O in synthetic LF refining slag raising. (3) Both of the MnO-SiO_2-Al_2O_3, CaO-SiO_2-Al_2O_3 inclusions system mainly concentrated in the low melting point zone. (2) For the 15.00 wt% Rb_2O-containing synthetic LF refining slag, not only the average diameter of inclusion increases slightly with reaction times increasing, but also the number. This is due to the fact that, the effect of Rb_2O on the ability of refining slag to absorb inclusions is a double-edged sword: On the one hand, Rb_2O addition would promote the thermodynamic conditions of inclusion removal, then, inclusions would enter the slag spontaneously easier. On the other hand, Rb_2O addition could also exacerbate the kinetic conditions of inclusion removal by increasing the viscosity of slag at the same time.
机译:为了生产超洁净的C96V锯线钢,已经开发了一种新型的含Rb_2O的合成LF精炼渣。此外,对Rb_2O去除夹杂物的热力学和动力学机理进行了充分的讨论。结果表明:(1)Rb_2O的添加(<10.00 wt%)似乎显着增强了钢水中夹杂物的去除。 ®随着合成LF精炼渣中Rb_2O的添加,非金属夹杂物的平​​均直径显着降低。尤其是当Rb_2O添加量为10.00 wt%时,大多数夹杂物的直径小于3.0×10〜(-6)m(3.0 pm)②合成LF精炼渣中非金属夹杂物的数量随Rb_2O的含量而急剧减少。提高。 (3)MnO-SiO_2-Al_2O_3,CaO-SiO_2-Al_2O_3夹杂物体系均集中在低熔点区。 (2)对于含15.00wt%的Rb_2O的合成LF精炼炉渣,随着反应时间的增加,不仅夹杂物的平​​均直径略有增加,而且数量也有所增加。这是由于以下事实:Rb_2O对精炼渣吸收夹杂物的能力的影响是一把双刃剑:一方面,添加Rb_2O会促进夹杂物去除的热力学条件,然后夹杂物会进入炉渣自发容易。另一方面,Rb_2O的加入也会通过同时增加炉渣的粘度而加剧去除夹杂物的动力学条件。

著录项

  • 来源
    《ISIJ international》 |2018年第11期|2032-2041|共10页
  • 作者单位

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

    School of Metallurgy, Northeastern University, 241 Mailbox, No. 3-11, Wenhua Road, Heping District, Shenyang, 110819 P.R. China;

  • 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

    C96V saw wire steels; LF refining slag; Rb_2O; inclusions;

    机译:C96V锯线钢;LF精炼渣;Rb_2O;夹杂物;

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