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Estimation Model for Electrical Conductivity of CaF2-CaO-Al2O3 Slags

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Abstract

Electrical conductivity is one of the most important properties of molten slags. It has an important influence on process parameter selection of the electroslag remelting process. In the present work, a new model for estimating electrical conductivity of high-temperature slags has been proposed via calculating the conductivity by electrical conductivity of pure substances and interaction parameters between the different components in the slag has been proposed. In this model, the Arrhenius law is used to describe the relationship between electrical conductivity and temperature of slags. This model has been successfully applied to the CaF2-Al2O3, CaF2-CaO, and CaO-Al2O3, as well as CaF2-CaO-Al2O3 systems, and the calculated results are in good agreement with the measured values.

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Acknowledgements

This work was financially supported by National Natural Science Foundation of China (Nos. 51422403, 51274064, 51074044, 51304043), and the basic research universities special fund operations (L1502013, N140204013, N130102002, N130702001), National Basic Research Program of China (973 plan) (2013CB632606), Universities Key Laboratory project of The Education Department of Liaoning Province (LZ2014021)

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Authors and Affiliations

  1. Key Laboratory of Ecological Utilization of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang, 110089, Liaoning, China

    Guan-yong Shi, Ting-an Zhang, Zhi-he Dou & Li-ping Niu

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  1. Guan-yong Shi
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  2. Ting-an Zhang
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  3. Zhi-he Dou
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  4. Li-ping Niu
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Correspondence to Guan-yong Shi.

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Shi, Gy., Zhang, Ta., Dou, Zh. et al. Estimation Model for Electrical Conductivity of CaF2-CaO-Al2O3 Slags. JOM 68, 2365–2370 (2016). https://doi.org/10.1007/s11837-016-1922-1

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  • DOI: https://doi.org/10.1007/s11837-016-1922-1

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