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Acta Optica Sinica, Volume. 39, Issue 1, 0114002(2019)

Thermal Corrosion Resistance of Co-Based Alloy Coatings by Laser Cladding Assisted by Electromagnetic Stirring

Jiale Xu1、*, Jianzhong Zhou1、*, Wensheng Tan2, Shu Huang1, Xiankai Meng1, and Wenyuan He1
Author Affiliations
  • 1 School of Mechanical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
  • 2 School of Mechanical and Electrical Engineering, Changzhou College of Information Technology, Changzhou, Jiangsu 213164, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(12)
    Laser cladding device assisted by magnetic field. (a) Schematic; (b) physical map

    Fig. 1. Laser cladding device assisted by magnetic field. (a) Schematic; (b) physical map

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    Laser cladding of Co-based cladding samples. (a) Without magnetic field; (b) with magnetic field

    Fig. 2. Laser cladding of Co-based cladding samples. (a) Without magnetic field; (b) with magnetic field

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    Thermal corrosion kinetics curves of Co-based cladding layers

    Fig. 3. Thermal corrosion kinetics curves of Co-based cladding layers

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    Surface and cross-sectional SEM images of cladding layer without after hot corrosion without magnetic field. (a) Surface topography; (b) surface topography magnification; (c) section morphology; (d) section topography enlargement

    Fig. 4. Surface and cross-sectional SEM images of cladding layer without after hot corrosion without magnetic field. (a) Surface topography; (b) surface topography magnification; (c) section morphology; (d) section topography enlargement

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    Surface and cross-sectional SEM images of cladding layer after hot corrosion with magnetic field. (a) Surface topography; (b) surface topography magnification; (c) section morphology; (d) section topography enlargement

    Fig. 5. Surface and cross-sectional SEM images of cladding layer after hot corrosion with magnetic field. (a) Surface topography; (b) surface topography magnification; (c) section morphology; (d) section topography enlargement

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    Surface scanning results of Co-based coating coated by laser cladding without magnetic field assistance. (a) SEM morphology; (b) O; (c) S; (d) Cl; (e) Cr; (f) Co

    Fig. 6. Surface scanning results of Co-based coating coated by laser cladding without magnetic field assistance. (a) SEM morphology; (b) O; (c) S; (d) Cl; (e) Cr; (f) Co

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    Surface scanning results of Co-based coatings coated by magnetic field-assisted laser cladding. (a) SEM morphology; (b) O; (c) S; (d) Cl; (e) Cr; (f) Co

    Fig. 7. Surface scanning results of Co-based coatings coated by magnetic field-assisted laser cladding. (a) SEM morphology; (b) O; (c) S; (d) Cl; (e) Cr; (f) Co

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    Microstructure of Co-based cladding layer without magnetic field assistance. (a) Bottom; (b) middle; (c) top

    Fig. 8. Microstructure of Co-based cladding layer without magnetic field assistance. (a) Bottom; (b) middle; (c) top

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    Hot corrosion mechanism diagram

    Fig. 9. Hot corrosion mechanism diagram

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    Microstructure of Co-based cladding layer assisted by magnetic field. (a) Bottom; (b) middle; (c) top

    Fig. 10. Microstructure of Co-based cladding layer assisted by magnetic field. (a) Bottom; (b) middle; (c) top

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    • Table 1. EDS detection results of point 1 in Fig. 4(d)

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      Table 1. EDS detection results of point 1 in Fig. 4(d)

      ElementCoCrOSClNa
      Mass fraction /%30.0526.2535.743.781.552.1

    • Table 2. EDS detection results of point 2 in Fig. 5(d)

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      Table 2. EDS detection results of point 2 in Fig. 5(d)

      ElementCoCrOSCl
      Mass fraction /%25.3736.5435.312.170.61
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    Jiale Xu, Jianzhong Zhou, Wensheng Tan, Shu Huang, Xiankai Meng, Wenyuan He. Thermal Corrosion Resistance of Co-Based Alloy Coatings by Laser Cladding Assisted by Electromagnetic Stirring[J]. Acta Optica Sinica, 2019, 39(1): 0114002

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jul. 27, 2018

    Accepted: Aug. 28, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0114002

    Topics

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