Laser & Optoelectronics Progress, Volume. 56, Issue 2, 021602(2019)

Effect of WC-Reinforced Ni60AA on Cracks and Hardness

Gaosong Li, Jinhua Li*, Pengchao Shan, and Weilong Feng
Author Affiliations
  • College of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
  • show less
    Figures & Tables(9)
    Macroscopic morphologies under different powder feeding voltage ratios. (a) 3∶2; (b) 1∶1; (c) 2∶3
    Macroscopic morphologies under different specific powders and specific energies. (a) Specific energy of 140, specific powder of 12; (b) specific energy of 200, specific powder of 12; (c) specific energy of 100, specific powder of 9
    Laser cladding process
    Morphologies under different vibration frequencies. (a) 0 Hz; (b) 22000 Hz; (c) 28000 Hz
    Microhardness change from top to bottom of cladding layer
    Morphologies under different powder feeding voltage ratios. (a) 1∶4; (b) 3∶7; (c) 2∶3; (d) 3∶2
    • Table 1. Mass fractions for components of Ni60AA and WC%

      View table

      Table 1. Mass fractions for components of Ni60AA and WC%

      MaterialCCrSiBFeNiWCCo
      Ni60AA0.4-0.913-173.2-4.82.5-4.0≤8.0margin00
      WC000000margin8.0
    • Table 2. Laser processing parameters

      View table

      Table 2. Laser processing parameters

      Serial numberPowder feedingvoltage ratioTotal powderfeeding voltage /VLaser power /WScanningspeed /(m·s-1)
      a3∶2247002
      b1∶1247002
      c2∶3247002
    • Table 3. Influence of specific powder on increase of cladding layer and maximum microhardness

      View table

      Table 3. Influence of specific powder on increase of cladding layer and maximum microhardness

      Specific powder24681012
      Increase of cladding layer0.150.270.540.610.700.89
      Melting depth of substrate1.040.890.760.680.550.37
      Maximum microhardness410730790812835839
    Tools

    Get Citation

    Copy Citation Text

    Gaosong Li, Jinhua Li, Pengchao Shan, Weilong Feng. Effect of WC-Reinforced Ni60AA on Cracks and Hardness[J]. Laser & Optoelectronics Progress, 2019, 56(2): 021602

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Materials

    Received: May. 25, 2018

    Accepted: Jul. 30, 2018

    Published Online: Aug. 1, 2019

    The Author Email: Li Jinhua (647986515@qq.com)

    DOI:10.3788/LOP56.021602

    Topics