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Effects of the Bulk Fe_2O_3 Concentration on the Controlled Solidification of 'Fe_O_3'-CaO-SiO_2 Liquids in Air

机译:批量Fe_2O_3浓度对空气中'Fe_O_3'-CAO-SiO_2液体控制凝固的影响

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摘要

The solidification of "Fe_2O_3"-CaO-SiO_2 liquids in air at a controlled cooling rate of 2.0 K/s for a range of Fe_2O_3 concentrations in the bulk has been investigated. The compositions investigated were selected such that the bulk compositions were within the hematite primary phase field and had a CaO/SiO_2 ratio of 3.46 wt/wt. Non-equilibrium phase assemblages were formed for all bulk compositions investigated. Specifically, the silico ferrite of calcium (SFC) phase was not formed on cooling. The microstructures and proportions of the phase assemblages formed were found to vary with the Fe_2O_3 concentration in the bulk.
机译:已经研究了在体积中的一系列Fe_2O_3浓度的控制冷却速率下的“Fe_2O_3”-CaO-SiO_2液体的固化。所研究的组合物被选中使得本体组合物在赤铁矿伯晶局内,具有3.46wt / wt的CaO / SiO_2比。形成非平衡相位组合,用于所有研究的块状组合物。具体地,在冷却时未形成钙(SFC)相的硅铁氧体。发现形成的相组合的微观结构和比例随体积中的Fe_2O_3浓度而变化。

著录项

  • 来源
    《ISIJ international》 |2020年第5期|876-886|共11页
  • 作者单位

    Pyrometallurgy Innovation Centre (Pyrosearch) School of Chemical Engineering The University of Queensland Brisbane 4072 Australia;

    Pyrometallurgy Innovation Centre (Pyrosearch) School of Chemical Engineering The University of Queensland Brisbane 4072 Australia;

    Pyrometallurgy Innovation Centre (Pyrosearch) School of Chemical Engineering The University of Queensland Brisbane 4072 Australia;

  • 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

    iron ore sinter; microstructure; solidification; 'Fe_2O_3'-CaO-SiO_2; hematite;

    机译:铁矿石烧结;微观结构;凝固;'fe_2o_3'-cao-sio_2;赤铁矿;
  • 入库时间 2022-08-18 21:15:48

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