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Chinese Journal of Lasers, Volume. 50, Issue 16, 1602203(2023)

Cleaning Quality and Desorption Behavior of Marine Biofilm Layer on High Strength Steel Surface Using Nanosecond Pulsed Laser

Siyuan Bi1, Zhenglong Lei1、*, and Lidong Qin2
Author Affiliations
  • 1State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
  • 2Capital Aerospace Machinery Corporation, Beijing 100076, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (19)
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    References (28)
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    Figures & Tables(19)
    Macroscopic topographies of high-strength steel surface before and after immersion. (a) Before immersion; (b) after immersion

    Fig. 1. Macroscopic topographies of high-strength steel surface before and after immersion. (a) Before immersion; (b) after immersion

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    Photographs of laser cleaning system

    Fig. 2. Photographs of laser cleaning system

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    Schematic of rectangle filling scanning path during laser cleaning

    Fig. 3. Schematic of rectangle filling scanning path during laser cleaning

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    Surface and cross-section morphologies of marine biofilm layer on surface of high-strength steel. (a) Surface macro-morphology; (b) three-dimensional surface morphology; (c) cross-section morphology

    Fig. 4. Surface and cross-section morphologies of marine biofilm layer on surface of high-strength steel. (a) Surface macro-morphology; (b) three-dimensional surface morphology; (c) cross-section morphology

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    Micro-morphologies of marine biofilm layer on surface of high-strength steel. (a)(b) Micro-morphologies of EPS layer；(c)(d) micro-morphologies of hard attachments on surface

    Fig. 5. Micro-morphologies of marine biofilm layer on surface of high-strength steel. (a)(b) Micro-morphologies of EPS layer；(c)(d) micro-morphologies of hard attachments on surface

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    Point locations for EDS scanning analysis of EPS layer and analysis results of element contents. (a) Point locations for EDS scanning analysis; (b) analysis results of element contents

    Fig. 6. Point locations for EDS scanning analysis of EPS layer and analysis results of element contents. (a) Point locations for EDS scanning analysis; (b) analysis results of element contents

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    Point locations for EDS scanning analysis of hard attachments on surface and analysis results of element contents. (a) Point locations for EDS scanning analysis; (b) analysis results of element contents

    Fig. 7. Point locations for EDS scanning analysis of hard attachments on surface and analysis results of element contents. (a) Point locations for EDS scanning analysis; (b) analysis results of element contents

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    Surface macro-morphologies after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

    Fig. 8. Surface macro-morphologies after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

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    Surface micro-morphologies after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

    Fig. 9. Surface micro-morphologies after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

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    Element compositions of surfaces after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

    Fig. 10. Element compositions of surfaces after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

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    Metallographic microstructures of surfaces after laser cleaning under different energy densities. (a) 5.53 J/cm2; (b) 7.74 J/cm2; (c) 9.95 J/cm2; (d) 11.05 J/cm2

    Fig. 11. Metallographic microstructures of surfaces after laser cleaning under different energy densities. (a) 5.53 J/cm2; (b) 7.74 J/cm2; (c) 9.95 J/cm2; (d) 11.05 J/cm2

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    3D morphologies of surfaces after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

    Fig. 12. 3D morphologies of surfaces after laser cleaning under different energy densities. (a) 11.05 J/cm2; (b) 9.95 J/cm2; (c) 7.74 J/cm2; (d) 5.53 J/cm2

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    Roughness of surfaces after laser cleaning under different energy densities

    Fig. 13. Roughness of surfaces after laser cleaning under different energy densities

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    Desorption behavior of EPS layer during laser cleaning with different laser energy densities (time interval of 0.125 ms). (a) 5.53 J/cm2; (b) 9.95 J/cm2

    Fig. 14. Desorption behavior of EPS layer during laser cleaning with different laser energy densities (time interval of 0.125 ms). (a) 5.53 J/cm2; (b) 9.95 J/cm2

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    Schematics of action principle of ablation mechanism

    Fig. 15. Schematics of action principle of ablation mechanism

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    Desorption behavior of hard surface attachments during laser cleaning with different laser energy densities (time interval of 0.125 ms). (a) 5.53 J/cm2; (b) 9.95 J/cm2

    Fig. 16. Desorption behavior of hard surface attachments during laser cleaning with different laser energy densities (time interval of 0.125 ms). (a) 5.53 J/cm2; (b) 9.95 J/cm2

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    Schematics of action principle of thermoelastic vibration mechanism

    Fig. 17. Schematics of action principle of thermoelastic vibration mechanism

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    • Table 1. Chemical compositions of 30Cr3 high-strength steel

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      Table 1. Chemical compositions of 30Cr3 high-strength steel

      ElementCSiMnCrNiMoVS and PFe
      Mass fraction /%0.341.200.803.201.200.800.15≤0.02Bal.

    • Table 2. Main process parameters of nanosecond pulsed laser cleaning

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      Table 2. Main process parameters of nanosecond pulsed laser cleaning

      ParameterSymbolValueUnit
      Average powerP≤200W
      Wavelengthλ1064nm
      Pulse widthτ60ns
      Pulse frequencyf40kHz
      Scanning speedv3000mm/s
      Overlapped rateO80%
      Focal lengthF183mm
      Spot diameterD240μm
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    Siyuan Bi, Zhenglong Lei, Lidong Qin. Cleaning Quality and Desorption Behavior of Marine Biofilm Layer on High Strength Steel Surface Using Nanosecond Pulsed Laser[J]. Chinese Journal of Lasers, 2023, 50(16): 1602203

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    Paper Information

    Category: Laser Surface Machining

    Received: Jan. 16, 2023

    Accepted: Feb. 21, 2023

    Published Online: Jul. 18, 2023

    The Author Email: Lei Zhenglong (leizhenglong@hit.edu.cn)

    DOI:10.3788/CJL230461

    Topics

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