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Effect of Ce2O3 on Structure, Viscosity, and Crystalline Phase of CaO-Al2O3-Li2O-Ce2O3 Slags

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Abstract

Aiming at devising new mold flux for Ce-bearing stainless steel, a fundamental investigation on the effect of Ce2O3 on properties of the CaO-Al2O3-Li2O-Ce2O3 slag was provided by the present work. The results show that adding Ce2O3 could decrease the viscosity of the slag due to its effects on decreasing the polymerization of the slag. The crystalline process was restrained by increasing the content of Ce2O3, and the crystalline phases also can be influenced by the slag structure. The crystalline phases were transferred from LiAlO2 and CaO to LiAlO2 and CaCeAlO4 with the addition of Ce2O3 to the slag, which could be well confirmed by the structure of the unit cell of the crystals.

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The authors gratefully acknowledge the supports by the Natural Science Foundation of China (NSFC, No. 51374059, No. 51304042) and the Fundamental Research Funds for the Central Universities of China (No. N130402020).

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Authors and Affiliations

  1. Key Laboratory for Ecological Metallurgy of Multimetallic Ores (Ministry of Education), Northeastern University, Shenyang, 110819, Liaoning, P.R. China

    Jie Qi (Doctoral Candidate), Chengjun Liu (Professor), Chi Zhang (Master Degree Candidate) & Maofa Jiang (Professor)

  2. School of Metallurgy, Northeastern University, Shenyang, 110819, Liaoning, P.R. China

    Jie Qi (Doctoral Candidate), Chengjun Liu (Professor), Chi Zhang (Master Degree Candidate) & Maofa Jiang (Professor)

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  1. Jie Qi
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  2. Chengjun Liu
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Correspondence to Chengjun Liu.

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Manuscript submitted June 16, 2016.

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Qi, J., Liu, C., Zhang, C. et al. Effect of Ce2O3 on Structure, Viscosity, and Crystalline Phase of CaO-Al2O3-Li2O-Ce2O3 Slags. Metall Mater Trans B 48, 11–16 (2017). https://doi.org/10.1007/s11663-016-0850-3

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  • DOI: https://doi.org/10.1007/s11663-016-0850-3

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