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Acta Optica Sinica, Volume. 41, Issue 14, 1414002(2021)

Influence of Laser Irradiation on Compactness and Wear Resistance of Ti6Al4V Coating Prepared by Supersonic Laser Deposition

Gang Zhang1,2, Jie Zhang1,2, Bo Li1,2,3、*, Wenxiang Jiang3, Weilin Wang1,2, Qunli Zhang1,2, and Jianhua Yao1,2
Author Affiliations
  • 1Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
  • 2College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
  • 3Jiangsu Yawei Machine Tool Co., Ltd., Yangzhou, Jiangsu 225200, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (14)
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    References (22)
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    Figures & Tables(14)
    Morphological diagrams of Ti6Al4V powder. (a) Micro-morphology; (b) particle size distribution

    Fig. 1. Morphological diagrams of Ti6Al4V powder. (a) Micro-morphology; (b) particle size distribution

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    Schematic of SLD system

    Fig. 2. Schematic of SLD system

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    Cross-sectional micro-morphologies of SLD-Ti6Al4V coatings. (a)(b) B1; (c)(d) B2; (e)(f) B3; (g)(h) B4; (i)(j) B5

    Fig. 3. Cross-sectional micro-morphologies of SLD-Ti6Al4V coatings. (a)(b) B1; (c)(d) B2; (e)(f) B3; (g)(h) B4; (i)(j) B5

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    Area fraction of interfacial reaction layer in SLD-Ti6Al4V coatings

    Fig. 4. Area fraction of interfacial reaction layer in SLD-Ti6Al4V coatings

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    EDS mapping results at particle interface of SLD-Ti6Al4V coating (sample B3). (a) Original SEM image; (b) Ti element; (c) Al element; (d) V element; (e) N element

    Fig. 5. EDS mapping results at particle interface of SLD-Ti6Al4V coating (sample B3). (a) Original SEM image; (b) Ti element; (c) Al element; (d) V element; (e) N element

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    EDS analysis result of Ti6Al4V powder

    Fig. 6. EDS analysis result of Ti6Al4V powder

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    XRD patterns of Ti6Al4V coatings and Ti6Al4V powder

    Fig. 7. XRD patterns of Ti6Al4V coatings and Ti6Al4V powder

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    Compactness comparison of coatings. (a)(c) CS-Ti6Al4V; (b)(d) SLD-Ti6Al4V

    Fig. 8. Compactness comparison of coatings. (a)(c) CS-Ti6Al4V; (b)(d) SLD-Ti6Al4V

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    Porosity comparison of SLD-Ti6Al4V coatings

    Fig. 9. Porosity comparison of SLD-Ti6Al4V coatings

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    Schematic of particle interfacial in-situ reaction in SLD-Ti6Al4V coatings

    Fig. 10. Schematic of particle interfacial in-situ reaction in SLD-Ti6Al4V coatings

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    Micro-hardness of SLD-Ti6Al4V coatings. (a) B1; (b) B2; (c) B3; (d) B4; (e) B5; (f) average value of micro-hardness

    Fig. 11. Micro-hardness of SLD-Ti6Al4V coatings. (a) B1; (b) B2; (c) B3; (d) B4; (e) B5; (f) average value of micro-hardness

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    Micro-morphologies of worn surfaces of Ti6Al4V substrate and coatings. (a)(b) Ti6Al4V substrate; (c)(d) CS-Ti6Al4V coating; (e)(f) SLD-Ti6Al4V coating

    Fig. 12. Micro-morphologies of worn surfaces of Ti6Al4V substrate and coatings. (a)(b) Ti6Al4V substrate; (c)(d) CS-Ti6Al4V coating; (e)(f) SLD-Ti6Al4V coating

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    • Table 1. Process parameters for preparing SLD-Ti6Al4V coatings

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      Table 1. Process parameters for preparing SLD-Ti6Al4V coatings

      SampleNo.N2pressure /MPaN2temperature /℃Standoffdistance /mmPowderfeeding rate /(r·min-1)Traversespeed /(mm·s-1)Laserpower /WLaser spotdiameter /mmOverlappingrate /%
      B151000301.5150450
      B251000301.515500450
      B351000301.515600450
      B451000301.515700450
      B551000301.515800450

    • Table 2. EDS analysis results of particle interfacial reaction layer in SLD-Ti6Al4V coatings

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      Table 2. EDS analysis results of particle interfacial reaction layer in SLD-Ti6Al4V coatings

      Sample No.ContentTiNAlV
      B1Mass fraction /%85.28.924.771.12
      Atomic fraction /%68.0624.346.760.84
      B2Mass fraction /%81.1612.674.761.17
      Atomic fraction /%60.4732.276.290.82
      B3Mass fraction /%83.0311.923.870.86
      Atomic fraction /%63.0230.945.220.61
      B4Mass fraction /%81.2013.354.440.88
      Atomic fraction /%59.8533.655.810.61
      B5Mass fraction /%73.5322.732.790.57
      Atomic fraction /%46.8249.473.150.34
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    Gang Zhang, Jie Zhang, Bo Li, Wenxiang Jiang, Weilin Wang, Qunli Zhang, Jianhua Yao. Influence of Laser Irradiation on Compactness and Wear Resistance of Ti6Al4V Coating Prepared by Supersonic Laser Deposition[J]. Acta Optica Sinica, 2021, 41(14): 1414002

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Feb. 5, 2021

    Accepted: Feb. 15, 2021

    Published Online: Jul. 11, 2021

    The Author Email: Bo Li (libo1011@zjut.edu.cn)

    DOI:10.3788/AOS202141.1414002

    Topics

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