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Microstructure Performance And Synthesis Of The Argon-Arc Clad Cobalt Base Composite Coating

Author

Listed:
  • JIANING LI

    (School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China)

  • MOLIN SU

    (School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China)

  • LIWEI ZHANG

    (School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, P. R. China)

Abstract

Composite coating was obtained by argon-arc clad (AAC) of the Stellite20-Si3N4 pre-placed mixed powders on a TA7 titanium alloy substrate, which increased the micro-hardness of the substrate surface significantly; then this produced coating was re-melted by an argon arc, forming a hard layer on the coating surface. The AAC and re-melted coatings were investigated using a scanning electron microscope and high-resolution transmission electron microscope, indicating that amorphous and nanocrystalline phases were produced in the coating surface after an argon-arc re-melting process, which increased the wear resistance of such coatings significantly.

Suggested Citation

  • Jianing Li & Molin Su & Liwei Zhang, 2019. "Microstructure Performance And Synthesis Of The Argon-Arc Clad Cobalt Base Composite Coating," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(05), pages 1-4, June.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:05:n:s0218625x18501895
    DOI: 10.1142/S0218625X18501895
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