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Pulse Electro-deposition of TiB2 onto Graphite from TiO2-B2O3-KF-LiF Melts

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Light Metals 2012

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Abstract

Electrodeposition of TiB2 coating provides a convenient and low-cost way in preparation of TiB2 material. In this paper, TiO2 and B2O3 were selected as the active components, KF-LiF as the supporting electrolyte, Ti4+ ions and B3+ ions reduction processes in TiO2-B2O3-LiF-KF melts were investigated by cyclic voltammograms. Then electrodeposition of TiB2 onto graphite substrate was carried out from TiO2-B2O3-LiF-KF melts at 800 °C by using CCP (continuous current plating) and PCP (pulsed current plating). The TiB2 coatings prepared by PCP exhibit uniform, dense and metallic surface with good dherence to the substrate, but with more cracks. compared with those obtained by CPC.

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Author information

Authors and Affiliations

  1. East China University of Science and Technology, Shanghai, 200237, China

    Bing Li, Lushan Jiang, Heng Wang, Zhiwei Weng & Zhuxin Zhao

Authors
  1. Bing Li
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  2. Lushan Jiang
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  3. Heng Wang
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  4. Zhiwei Weng
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  5. Zhuxin Zhao
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Editor information

Editors and Affiliations

  1. Alcoa Maaden JV, Ras Al Khair Alumina Refinery, Saudi Arabia

    Carlos E. Suarez (Technical Manager) (Technical Manager)

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© 2012 TMS (The Minerals, Metals & Materials Society)

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Li, B., Jiang, L., Wang, H., Weng, Z., Zhao, Z. (2012). Pulse Electro-deposition of TiB2 onto Graphite from TiO2-B2O3-KF-LiF Melts. In: Suarez, C.E. (eds) Light Metals 2012. Springer, Cham. https://doi.org/10.1007/978-3-319-48179-1_237

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