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Laser & Optoelectronics Progress, Volume. 55, Issue 4, 041402(2018)

Study on Laser Cladding Repair of Flat Chain of Scraper Conveyor

Jianhua Zhai1,2, Wanlin Zhang、*, Huiyin Xu1, Zhijie Liu1, and Dongshan Yang1
Author Affiliations
  • 1 Mechanical Engineering College, Liaoning Technical University, Fuxin, Liaoning 123000, China
  • 2 Institute of Advanced Manufacturing Technology, Liaoning Technical University, Fuxin, Liaoning 123000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (0)
    References (15)
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    Figures & Tables(13)
    Picture of flat chain

    Fig. 1. Picture of flat chain

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    Cladding path and wear position

    Fig. 2. Cladding path and wear position

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    Macroscopic diagram of single channel cladding experiment

    Fig. 3. Macroscopic diagram of single channel cladding experiment

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    Microstructures at bonding zone under different process parameters. (a) 1M; (b) 2M; (c) 1P

    Fig. 4. Microstructures at bonding zone under different process parameters. (a) 1M; (b) 2M; (c) 1P

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    Microstructures of cladding layer under different process parameters. (a) 1M; (b) 2M; (c) 1P

    Fig. 5. Microstructures of cladding layer under different process parameters. (a) 1M; (b) 2M; (c) 1P

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    XRD diagram of cladding layer

    Fig. 6. XRD diagram of cladding layer

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    Line scanning results of cladding layer

    Fig. 7. Line scanning results of cladding layer

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    Test results of microhardness

    Fig. 8. Test results of microhardness

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    Friction coefficient versus time

    Fig. 9. Friction coefficient versus time

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    Wear property comparison between laser cladding layer and matrix

    Fig. 10. Wear property comparison between laser cladding layer and matrix

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    • Table 1. Chemical compositions of test base materials (mass fraction,%)

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      Table 1. Chemical compositions of test base materials (mass fraction,%)

      CompositionCMnSiSPNiCrMoAl
      Value0.20-0.261.40-1.700.15-0.35≤0.020≤0.0200.90-1.100.20-0.400.40-0.550.02-0.050

    • Table 3. Process parameters for single channel laser cladding

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      Table 3. Process parameters for single channel laser cladding

      ParameterNo.Laserpower /WScanningspeed /(mm·min-1)Feedingrate /(rad·min-1)
      1A13008004.0
      2A16008004.0
      3A19008004.0
      4A22008004.0
      1B19006004.0
      2B19007004.0
      3B19008004.0
      4B19009004.0
      1C19006002.5
      2C19006003.0
      3C19006003.5
      4C19006004.0

    • Table 4. Process parameters for laser cladding orthogonal experiment

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      Table 4. Process parameters for laser cladding orthogonal experiment

      ParameterNo.Laserpower /WScanningspeed /(mm·min-1)Claddinglayer No.
      1M16006001
      2M19007001
      1N16007002
      2N19006002
      1P16006003
      2P19007003
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    Jianhua Zhai, Wanlin Zhang, Huiyin Xu, Zhijie Liu, Dongshan Yang. Study on Laser Cladding Repair of Flat Chain of Scraper Conveyor[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041402

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Oct. 24, 2017

    Accepted: --

    Published Online: Sep. 11, 2018

    The Author Email: Wanlin Zhang ( 1622760381@qq.com)

    DOI:10.3788/LOP55.041402

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology