• Chinese Journal of Lasers
  • Vol. 48, Issue 10, 1002121 (2021)
Pengfei Wang, Kun Yang, Mingzhi Chen, Zhandong Wang, Yi Lu, Guifang Sun**, and Zhonghua Ni*
Author Affiliations
  • Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, Southeast University, Nanjing, Jiangsu 211189, China
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    DOI: 10.3788/CJL202148.1002121 Cite this Article Set citation alerts
    Pengfei Wang, Kun Yang, Mingzhi Chen, Zhandong Wang, Yi Lu, Guifang Sun, Zhonghua Ni. Simulation and Experimental Research on the GH3536 Molten Pool Laser Cladding on Inclined Substrate[J]. Chinese Journal of Lasers, 2021, 48(10): 1002121 Copy Citation Text show less
    Boundary conditions of the model
    Fig. 1. Boundary conditions of the model
    Laser beam and powder work on the surface of the inclined substrate
    Fig. 2. Laser beam and powder work on the surface of the inclined substrate
    Main effect diagrams of laser power, powder mass flow and scanning rate varying with melting height. (a) Laser power; (b) powder mass flow; (c) scanning speed
    Fig. 3. Main effect diagrams of laser power, powder mass flow and scanning rate varying with melting height. (a) Laser power; (b) powder mass flow; (c) scanning speed
    Main effect graphs of laser power, powder mass flow and scanning speed varying with aspect ratio. (a) Laser power; (b) powder mass flow; (c) scanning speed
    Fig. 4. Main effect graphs of laser power, powder mass flow and scanning speed varying with aspect ratio. (a) Laser power; (b) powder mass flow; (c) scanning speed
    Simulated cladding profile and temperature cloud after 0.8 s cladding
    Fig. 5. Simulated cladding profile and temperature cloud after 0.8 s cladding
    Comparison of simulation and experimental cladding profile and penetration. (a)(c) Simulated temperature cloud picture at 0.4 s and its experimental corrosion metallographic diagram; (b)(d) simulated metal liquid volume picture at 0.8 s and its experimental corrosion metallographic diagram
    Fig. 6. Comparison of simulation and experimental cladding profile and penetration. (a)(c) Simulated temperature cloud picture at 0.4 s and its experimental corrosion metallographic diagram; (b)(d) simulated metal liquid volume picture at 0.8 s and its experimental corrosion metallographic diagram
    Melting height change graph in the experiment 10--25
    Fig. 7. Melting height change graph in the experiment 10--25
    Temperature of the simulated molten pool center
    Fig. 8. Temperature of the simulated molten pool center
    Comparison of the inclination angle of the cladding layer between the simulation and the experiment at various inclination angles. (a)(f) 0°; (b)(g) 20°; (c)(h) -20°;(d)(i) 40°; (e)(j) -40°
    Fig. 9. Comparison of the inclination angle of the cladding layer between the simulation and the experiment at various inclination angles. (a)(f) 0°; (b)(g) 20°; (c)(h) -20°;(d)(i) 40°; (e)(j) -40°
    Front slope angle of the cladding layer changes with the inclination angle of the substrate
    Fig. 10. Front slope angle of the cladding layer changes with the inclination angle of the substrate
    Internal flow field of the cladding layer under the inclined substrate.(a) 0°; (b) 20°; (c) -20°; (d) 40°; (e) -40°
    Fig. 11. Internal flow field of the cladding layer under the inclined substrate.(a) 0°; (b) 20°; (c) -20°; (d) 40°; (e) -40°
    ElementCMnNiCrSiMoCuNbPS
    Mass fraction0.020.0846.7721.80.088.200.0050.007
    Table 1. Chemical composition of GH3536 unit:%
    Experiment numberLaserpower /WPowder massflow /(g·min-1)Scanning speed /(mm·min-1)Substrate inclinationangle /(°)Meltingwidth /mmMeltingheight /mmAspect ratio
    115001860003.6451.1043.595
    2150015100003.1070.5915.260
    315001280003.6700.5676.471
    4135018100002.6450.7953.325
    513501580003.2600.7054.621
    613501260003.6850.7265.079
    712001880002.3821.0122.354
    812001560002.9241.1302.587
    9120012100002.8310.7843.611
    10150018600203.4981.0093.467
    11170018600204.1160.9914.154
    12150021600203.2451.2352.628
    13170021600203.9881.3392.978
    14150018600-203.4920.7904.417
    15170018600-203.9070.8744.470
    16150021600-203.2651.1112.938
    17170021600-204.0470.9734.161
    18150018600403.3760.6635.089
    19170018600403.7760.7505.036
    20150021600403.0811.0213.019
    21170021600403.6151.0203.546
    22150018600-403.3940.5865.790
    23170018600-404.0240.6845.886
    24150021600-403.1950.7944.024
    25170021600-403.7020.8144.551
    Table 2. Single-track cladding experiment data
    Pengfei Wang, Kun Yang, Mingzhi Chen, Zhandong Wang, Yi Lu, Guifang Sun, Zhonghua Ni. Simulation and Experimental Research on the GH3536 Molten Pool Laser Cladding on Inclined Substrate[J]. Chinese Journal of Lasers, 2021, 48(10): 1002121
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