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Laser & Optoelectronics Progress, Volume. 58, Issue 3, 3140031(2021)

Numerical Simulation of Temperature Field and Stress Field of Ni-Based Laser Cladding Layer on TC4 Surface

Zhang Tiangang1、*, Zhang Qian2, Yao Bo2, and Li Baoxuan3
Author Affiliations
  • 1Institute of Civil Aviation Technology, Civil Aviation University of China, Tianjin 300300, China
  • 2College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China
  • 3Sino-European Institute of Aviation Engineering, Civil Aviation University of China, Tianjin 300300, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
    Equations (7)
    References (24)
    Cited By (2)
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    Figures & Tables(15)
    Material powders for cladding. (a) TC4; (b) Ni60

    Fig. 1. Material powders for cladding. (a) TC4; (b) Ni60

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    TruDisk4002 coaxial powder feeding fiber laser

    Fig. 2. TruDisk4002 coaxial powder feeding fiber laser

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    Macro-morphology of single-pass laser cladding layer

    Fig. 3. Macro-morphology of single-pass laser cladding layer

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    Cross-sectional SEM morphology of single-pass laser cladding layer

    Fig. 4. Cross-sectional SEM morphology of single-pass laser cladding layer

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    Gaussian heat source model

    Fig. 5. Gaussian heat source model

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    Finite element model

    Fig. 6. Finite element model

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    Thermo-physical performance parameters versus temperature. (a) Thermal conductivity; (b) specific heat; (c) density; (d) linear expansion coefficient

    Fig. 7. Thermo-physical performance parameters versus temperature. (a) Thermal conductivity; (b) specific heat; (c) density; (d) linear expansion coefficient

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    Mechanical performance parameters versus temperature. (a) Modulus of elasticity; (b) Poisson’s ratio; (c) yield stress

    Fig. 8. Mechanical performance parameters versus temperature. (a) Modulus of elasticity; (b) Poisson’s ratio; (c) yield stress

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    Comprehensive heat transfer coefficient versus temperature

    Fig. 9. Comprehensive heat transfer coefficient versus temperature

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    Temperature contours at different moments. (a) t=3 s; (b) t=6 s

    Fig. 10. Temperature contours at different moments. (a) t=3 s; (b) t=6 s

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    Actual high-definition motion track of laser heat source

    Fig. 11. Actual high-definition motion track of laser heat source

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    Temperature contours of local area at t=3 s. (a) Cross section; (b) longitudinal section; (c) magnification of cross section

    Fig. 12. Temperature contours of local area at t=3 s. (a) Cross section; (b) longitudinal section; (c) magnification of cross section

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    Residual stress contours after cooling. (a) Surface residual stress; (b) cross-sectional residual stress

    Fig. 13. Residual stress contours after cooling. (a) Surface residual stress; (b) cross-sectional residual stress

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    Crack morphology of cladding layer. (a) Edge; (b) bonding area

    Fig. 14. Crack morphology of cladding layer. (a) Edge; (b) bonding area

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    • Table 1. Process parameters for laser cladding

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      Table 1. Process parameters for laser cladding

      No.ParameterValueUnit
      1Laser power1100W
      2Scanning speed400mm·min-1
      3Spot diameter3.0mm
      4Power feeding rate1.4r·min-1
      5Laser focal length16mm
      6Flow of powder feeder7L·min-1
      7Flow of protection gas11L·min-1
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    Zhang Tiangang, Zhang Qian, Yao Bo, Li Baoxuan. Numerical Simulation of Temperature Field and Stress Field of Ni-Based Laser Cladding Layer on TC4 Surface[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3140031

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jun. 2, 2020

    Accepted: --

    Published Online: Mar. 12, 2021

    The Author Email: Tiangang Zhang (113099506@qq.com)

    DOI:10.3788/LOP202158.0314003

    Topics

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