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Chinese Journal of Lasers, Volume. 50, Issue 16, 1602201(2023)

High Temperature In-Situ Observation of High-Power Laser Induced Instantaneous Damage Behavior in High-Speed Wind Tunnel

Te Ma1,2, Jiangtao Wang1,2, Wu Yuan1,2,3, Hongwei Song1,2,3、*, and Ruixing Wang1,2
Author Affiliations
  • 1Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences,Beijing 100190, China
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    Schematic of experimental setup

    Fig. 1. Schematic of experimental setup

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    Dynamic laser ablation morphology of Ti alloy exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

    Fig. 2. Dynamic laser ablation morphology of Ti alloy exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

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    Dynamic laser ablation morphology of Ni-based superalloy exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

    Fig. 3. Dynamic laser ablation morphology of Ni-based superalloy exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

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    Dynamic laser ablation morphology of 2D C/SiC composite exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

    Fig. 4. Dynamic laser ablation morphology of 2D C/SiC composite exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

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    Dynamic laser ablation morphology of 3DN C/SiC composite exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

    Fig. 5. Dynamic laser ablation morphology of 3DN C/SiC composite exposed to laser irradiation and supersonic tangential airflow (the figure includes two parts: upper figure is obtained by in-situ observation technology, lower figure is obtained by optical flow method). (a) 0.4 s; (b) 0.8 s; (c) 1.2 s; (d) 1.6 s; (e) 2.0 s; (f) 2.4 s

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    Dynamic laser ablation morphology of CFRP composite exposed to laser irradiation and supersonic tangential airflow. (a) 0.8 s; (b) 1.6 s; (c) 2.4 s; (d) 4.0 s

    Fig. 6. Dynamic laser ablation morphology of CFRP composite exposed to laser irradiation and supersonic tangential airflow. (a) 0.8 s; (b) 1.6 s; (c) 2.4 s; (d) 4.0 s

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    Laser ablation behavior of CFRP composite subjected to supersonic tangential airflow. (a) Velocity vector chart; (b) instantaneous laser ablation depth under different laser power densities and Mach numbers

    Fig. 7. Laser ablation behavior of CFRP composite subjected to supersonic tangential airflow. (a) Velocity vector chart; (b) instantaneous laser ablation depth under different laser power densities and Mach numbers

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    • Table 1. Basic performance parameters of C/SiC composite

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      Table 1. Basic performance parameters of C/SiC composite

      CompositeDensity /（g·cm-3）Porosity /%Bending strength /MPaBending modulus /GPaFracture toughness /（MPa·m1/2）
      2D C/SiC2.013539±3922.3±1.0
      3DN C/SiC2.118242±3846±1018.0±7.0

    • Table 2. Main physical and mechanical properties of T700/BA9916 CFRP composite

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      Table 2. Main physical and mechanical properties of T700/BA9916 CFRP composite

      Physical and mechanical propertiesValue

      Physical

      property

      		Mass fraction of matrix /%38±3
      Density of matrix /（g·cm-3）1.30±0.04
      Density of fiber /（g·cm-3）1.78±0.04
      Mass fraction of volatile /%≤1.5
      Porosity /%≤1.5
      Lamina thickness /mm0.15±0.015

      Mechanical

      property

      		0° tensile strength /MPa1489
      0° tensile modulus /GPa132.8
      90° tensile strength MPa58.5
      90° tensile modulus /GPa9.7
      Shear strength /MPa121
      Shear modulus /GPa5.3
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    Te Ma, Jiangtao Wang, Wu Yuan, Hongwei Song, Ruixing Wang. High Temperature In-Situ Observation of High-Power Laser Induced Instantaneous Damage Behavior in High-Speed Wind Tunnel[J]. Chinese Journal of Lasers, 2023, 50(16): 1602201

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    Paper Information

    Category: Laser Surface Machining

    Received: Oct. 17, 2022

    Accepted: Nov. 28, 2022

    Published Online: Jul. 31, 2023

    The Author Email: Song Hongwei (songhw@imech.ac.cn)

    DOI:10.3788/CJL221334

    Topics

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