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    • Keywords


      Rare-earth compounds; surface modification; laser cladding; microstructure; X-ray diffraction; intermetallic compounds.

    • Abstract


      TiC/TiN+TiCN reinforced composite coatings were fabricated on Ti–6Al–4V alloy by laser cladding, which improved surface performance of the substrate. Nano-CeO2 was able to suppress crystallization and growth of the crystals in the laser-cladded coating to a certain extent.With the addition of proper content of nano-CeO2, this coating exhibited fine microstructure. In this study, the Al3Ti+TiC/TiN+nano-CeO2 laser-cladded coatings were studied by means of X-ray diffraction and scanning electron microscope. The X-ray diffraction results indicated that the Al3Ti+TiC/TiN+nano-CeO2 laser-cladded coating consisted of Ti3Al, TiC, TiN, Ti2Al20Ce, TiC0.3N0.7, Ce(CN)3 and CeO2, this phase constituent was beneficial to increase the microhardness and wear resistance of Ti–6Al–6V alloy.

    • Author Affiliations


      Li Jianing1 Chen Chuanzhong1 Zhang Cuifang1

      1. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Department of Materials Science, Shandong University, Jinan 250061, Shandong, China
    • Dates

  • Bulletin of Materials Science | News

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      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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