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Zhou Erhua, Zeng Xiaoyan, Wu Xinwei, Zhu Beidi. Study on laser cladding of Fe-WC ceramic metal composite coating[J]. LASER TECHNOLOGY, 1997, 21(1): 34-37.
Citation: Zhou Erhua, Zeng Xiaoyan, Wu Xinwei, Zhu Beidi. Study on laser cladding of Fe-WC ceramic metal composite coating[J]. LASER TECHNOLOGY, 1997, 21(1): 34-37.
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Study on laser cladding of Fe-WC ceramic metal composite coating

  • Department of Materials Science and Engineering, HUST, Wuhan, 430074

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  • Received Date: October 24, 1995
  • Revised Date: October 24, 1995
  • Published Date: January 24, 1997
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    • Abstract
  • Fe-WC ceramic-metal composite coatings were cladded on the surface of A3 steel by using a 2kW CO2 laser.To different laser scanning speed and different Fe-WC compositions,the microstructure and microhardness of cladded layers are tested and analyzed.The experimental results show that the proper addition of WC crystal powder and increasing of the laser scanning speed enable the braunch structure to get fine and improve the surface microhardness.The average microhardness of the cladded surface can be up to 960kg/mm2,when 25wt% 9.5μm crystal WC added in Fe-01 metal powder and the Fe-WC cladded layer had been treated.
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    • References (3)
  • [1]
    Zhu B,Zeng X,Tao I et al.Wear,1993;170:161~166
    [2]
    Zeng X,Zhu B,Tao I et al.Surf&Coat Technol,1995;in press
    [3]
    张思玉,郑克全.中国激光,1993;20(12):940~943
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