Xiao-bin Zhang, Chang-sheng Liu, Xiao-dong Liu, Jiang Dong,  and Bo Yu, Cavitation erosion behavior of WC coatings on CrNiMo stainless steel by laser alloying, Int. J. Miner. Metall. Mater., 16(2009), No. 2, pp. 203-207. https://doi.org/10.1016/S1674-4799(09)60034-0
Cite this article as:
Xiao-bin Zhang, Chang-sheng Liu, Xiao-dong Liu, Jiang Dong,  and Bo Yu, Cavitation erosion behavior of WC coatings on CrNiMo stainless steel by laser alloying, Int. J. Miner. Metall. Mater., 16(2009), No. 2, pp. 203-207. https://doi.org/10.1016/S1674-4799(09)60034-0
Materials

Cavitation erosion behavior of WC coatings on CrNiMo stainless steel by laser alloying

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  • Corresponding author:

    Xiao-bin Zhang    E-mail: zxblwm@163.com

  • Received: 28 April 2008
  • The WC powder was precoated on the surface of CrNiMo stainless steel and then made into an alloying layer by using the laser alloying technique. Phases in the layers were investigated by X-ray diffraction (XRD) analysis and surface morphologies after cavitation erosion were observed with the help of scanning electron microscopy (SEM). The cavitation erosion behavior of the CrNiMo stainless steel and WC laser alloying layer in distilled water was tested with the help of ultrasonic vibration cavitation erosion equipment. The results showed that the thickness of the laser alloying layer was about 0.13 mm. The layer had a dense microstructure, metallurgically bonded to the substrate, and no crack had been found. The cavitation erosion mass loss rate of the laser alloying layer was only 2/5 that of the CrNiMo stainless steel. The layer had better cavitation resistance properties because of its metallurgical combination and the strengthening effects of the precipitate phases.
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