• Chinese Journal of Lasers
  • Vol. 29, Issue s1, 515 (2002)
CHEN Qing-hua, LONG Jin-ming, and WEI Lun
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  • [in Chinese]
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    CHEN Qing-hua, LONG Jin-ming, WEI Lun. Microstructure and Corrosion of Laser Cladding of NiCrAl-ceramic Coating[J]. Chinese Journal of Lasers, 2002, 29(s1): 515 Copy Citation Text show less

    Abstract

    A (TiO2+B2O3+Al2Q3+TiB2)/NiCrAl metal-ceramic coating was fabricated on a steel (Chinese brand 40Cr) by laser. TiB2, Al2O3 were introduced by an in-situ reaction of Al, B2O3 and TiO2 during laser cladding process. The microstructure, phase, element distribution and micro-hardness have been analyzed with the aid of microscope, electron probe and micro-hardness tester. The hardness and the boundary strength are significantly enhanced due to the present of ceramic particles (TiB2, Al2O3) in the coating. With the ceramic composition increasing in the range of 5% to 20% the wear resistance is enhanced.
    CHEN Qing-hua, LONG Jin-ming, WEI Lun. Microstructure and Corrosion of Laser Cladding of NiCrAl-ceramic Coating[J]. Chinese Journal of Lasers, 2002, 29(s1): 515
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