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Volume 26 Issue 5
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2002 >  26(5): 354-356

Citation:
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The effect of CeO2 on the properties of Ni/WC cladding layer

  • 1.

    Henan Key Laboratory of Laser Technology and Applications, Zhengzhou University, Zhengzhou, 450052

  • Received Date: 2001-09-03
    Accepted Date: 2002-01-07
  • The effect of CeO2 on the macro quality,microstructure and micro hardness of Ni/WC cladding layer has been studied.The results indicate that incorporation of CeO2 can greatly refine the microstructure,reduce the crack tendency and improve the micro quality of the Ni/WC cladding layer.The refine effect becomes more evident with increasing CeO2 content.When CeO2 content is increased to 0.16wt%,the micro hardness reaches its maximum of ca.900HV0.3～1300HV0.3 and cracks vanish.Laser power affects the macro quality,microstructure and micro hardness of the cladding layer also.A continuous and smooth layer cannot be obtained if the laser power is lower than 1.5kW,while large crystal particles appears in the cladding layer and the corresponding hardness obviously if the laser power is higher than 2.0kW.
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  • [1] 吴新伟,曾晓雁,朱蓓蒂 et al.中国激光,1997,24(46):570～575.
    [2]

    Zhong M L,Yao K F,Liu W J et al.J Laser Applications,2001,13(6):247～251.
    [3] 石世宏,李必文.激光杂志,1998,19(3):46～48.
    [4] 查莹,周昌炽,唐西南 et al.中国激光,1999,26(10):947～950.
    [5] 尚丽娟,阎秀梅,李峰 et al.沈阳工业大学学报,1995,17(2):37～40.
    [6] 吴承建,张保良.中国稀土学报,1992,10(1):48～51.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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The effect of CeO2 on the properties of Ni/WC cladding layer

  • 1. Henan Key Laboratory of Laser Technology and Applications, Zhengzhou University, Zhengzhou, 450052
  • Received Date: 2001-09-03
  • Accepted Date: 2002-01-07
  • Available Online: 2002-09-25

Abstract: The effect of CeO2 on the macro quality,microstructure and micro hardness of Ni/WC cladding layer has been studied.The results indicate that incorporation of CeO2 can greatly refine the microstructure,reduce the crack tendency and improve the micro quality of the Ni/WC cladding layer.The refine effect becomes more evident with increasing CeO2 content.When CeO2 content is increased to 0.16wt%,the micro hardness reaches its maximum of ca.900HV0.3～1300HV0.3 and cracks vanish.Laser power affects the macro quality,microstructure and micro hardness of the cladding layer also.A continuous and smooth layer cannot be obtained if the laser power is lower than 1.5kW,while large crystal particles appears in the cladding layer and the corresponding hardness obviously if the laser power is higher than 2.0kW.

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