Abstract
The electrochemical behavior of Al, Li, Er, and Tm was investigated on tungsten electrodes in LiCl-KCl-AlF3-ErCl3-TmCl3 melts. The results indicated that the co-reduction of Al, Li, Er, and Tm occurs at current densities more negative than −0.469 A cm−2 or applied potentials more negative than −2.31 V. The strengthen phases of Al3Er and Al3Tm were prepared by galvanostatic electrolysis and characterized by X-ray diffraction and scanning electron microscopy. ICP-AES analyses showed that the content of lithium, erbium, and thulium in Al-Li-Er-Tm alloys could be controlled by adjusting AlF3 concentration and electrochemical parameters.
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Acknowledgments
The work was financially supported by the National 863 Project of Ministry of Science and Technology of China (No. 2011AA03A409), the Major Research plan of the National Natural Science Foundation of China (91226201), the National Natural Science Foundation of China (21173060 and 21271054), and the Fundamental Research funds for the Central Universities (HEUCF201310012).
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Manuscript submitted December 8, 2012.
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Sun, Y., Zhang, M., Han, W. et al. Electrochemical Preparation of Al-Li-Er-Tm Alloys by Co-reduction. Metall Mater Trans B 44, 1605–1612 (2013). https://doi.org/10.1007/s11663-013-9921-x
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DOI: https://doi.org/10.1007/s11663-013-9921-x