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Effect of Agitation on Crystallization Behavior of CaO-Al2O3-SiO2-Na2O-CaF2 Mold Fluxes with Varying Basicity

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Abstract

The effect of agitation on crystallization behaviors of CaO-Al2O3-SiO2-Na2O-CaF2 mold fluxes with basicity of 1.1 and 1.2 was investigated. It was found that crystallization temperatures of agitated samples were higher than those of static samples. The morphology of cuspidine shifted from dendrites to facet crystals with the decrease of temperature. The agitation was conducive to the formation of small dendritic cuspidine and could lead to crystals with smaller size. Crystalline fraction could be significantly enhanced by agitation at the initial stage of crystallization.

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Acknowledgments

Financial supports from the Natural Science Foundation of China (NSFC Contract Nos. 51174018, 51174022) and Fundamental Research Funds for the Central Universities (FRF-TP-14-108A2) are gratefully acknowledged.

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Authors and Affiliations

  1. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P.R. China

    Jiangling Li (Doctoral Student), Qifeng Shu (Associate Professor) & Kuochih Chou (Professor)

  2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, P.R. China

    Jiangling Li (Doctoral Student), Qifeng Shu (Associate Professor) & Kuochih Chou (Professor)

Authors
  1. Jiangling Li
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  2. Qifeng Shu
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  3. Kuochih Chou
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Correspondence to Qifeng Shu.

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Manuscript submitted January 11, 2015.

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Li, J., Shu, Q. & Chou, K. Effect of Agitation on Crystallization Behavior of CaO-Al2O3-SiO2-Na2O-CaF2 Mold Fluxes with Varying Basicity. Metall Mater Trans B 46, 1555–1563 (2015). https://doi.org/10.1007/s11663-015-0357-3

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