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Synthesis and Non-isothermal Carbothermic Reduction of FeTiO3-Fe2O3 Solid Solution Systems

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Abstract

To investigate the carbothermic reduction behaviors of xFeTiO3·(1 − x)Fe2O3 solid solutions, the solid solutions with different x values were synthesized and used in the corresponding reactions. With an increase in x, the temperature pertaining to the onset of carbothermic reduction increased, while the rate of reduction of the solid solutions, α, decreased. The lattice parameters calculated from XRD patterns indicated that the solid solution with a higher x led to a larger lattice distortion. The non-isothermal kinetics were calculated, and an average activation energy E value of 3.0 × 102 kJ/mol was obtained.

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Acknowledgments

This work was financially supported by National Natural Science Foundation of China, Baosteel Group Co., Ltd., of Shanghai through Key Joint Project (U1260202), National Science Foundation through Young Scientists of China (51304014) and (51604209).

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Authors and Affiliations

  1. School of Chemical Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia

    Yiran Liu & Yansong Shen

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

    Jianliang Zhang, Zhengjian Liu, Xingle Liu & Naiyao Li

  3. School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an, China

    Xiangdong Xing

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  1. Yiran Liu
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  2. Jianliang Zhang
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  3. Xiangdong Xing
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  4. Zhengjian Liu
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  5. Xingle Liu
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  7. Yansong Shen
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Correspondence to Zhengjian Liu.

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Manuscript submitted October 18, 2016.

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Liu, Y., Zhang, J., Xing, X. et al. Synthesis and Non-isothermal Carbothermic Reduction of FeTiO3-Fe2O3 Solid Solution Systems. Metall Mater Trans B 48, 2419–2427 (2017). https://doi.org/10.1007/s11663-017-1044-3

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  • DOI: https://doi.org/10.1007/s11663-017-1044-3

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