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PRECIPITATION AND GROWTH OF PEROVSKITE PHASE IN TITANIUM BEARING BLAST FURNACE SLAG
  • ISSN号:1006-7191
  • 期刊名称:《金属学报:英文版》
  • 时间:0
  • 分类:TG223[金属学及工艺—铸造]
  • 作者机构:[1]School of Materials and Metallurgy, Northeastern University, Shenyang 110006, Ghina
  • 相关基金:Acknowledgements-This work was supported by the National Natural Science Foundation of China (No. 50234040).
中文摘要:

形态学上的炉渣作文和添加剂代理人的转变的效果,在忍受 Ti 强风炉子炉渣的晶体被调查。当 perovskite 的形态学在熔融的炉渣,融化好树突的水晶生长机制并且大谷物变粗被驱散,在整个熔融的炉渣的团结存在。随 CaO 和 Fe2O3 内容的增加, perovskite 的 VF 显然增加。然而,高盐基度导致炉渣的粘性,它导致平均相等的直径(AED ) 的减小。试验性的结果证明添加剂 CaF2 和 MnO 的存在高效地减少了炉渣的粘性,并且显然改进了 perovskite 的形态学并且支持了它的生长。

英文摘要:

The effects of transformation of slag composition and additive agents on the morphology, the precipitation behavior, the crystal growth, and the volume fraction (VF) of perovskite ( CaO·TiO2) crystal in the Ti-bearing blast furnace slags were investigated. As the morphology of perovskite is dispersed in molten slags, the crystal growth mechanism of the melting of fine dendrites and the coarsening of large grains exist throughout the solidification of molten slags. With the increase of CaO and Fe2O3 content, VF of perovskite obviously increases. However, high basicity leads to the viscosity of slag, which results in the reduction of the average equivalent diameter (AED). The experimental results showed that the presence of the additives CaF2 and MnO efficiently decreased the viscosity of the slags, and obviously improved the morphology of perovskite and promoted its growth.

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期刊信息
  • 《金属学报:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国金属学会
  • 主编:
  • 地址:沈阳文华路72号
  • 邮编:110016
  • 邮箱:jsxb@imr.ac.cn
  • 电话:024-23971286
  • 国际标准刊号:ISSN:1006-7191
  • 国内统一刊号:ISSN:21-1361/TG
  • 邮发代号:
  • 获奖情况:
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  • 被引量:286