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Laser & Optoelectronics Progress, Volume. 58, Issue 16, 1610002(2021)

Probability-Based Diagnostic Imaging Method of Fatigue Damage for Carbon Fiber Reinforced Plastic Based on ToF Damage Factor

Qiongying Kong1,2, Bo Ye1,2、*, Weiquan Deng3, Chen Chen1,2, and Danhong Wang1,2
Author Affiliations
  • 1Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
  • 2Yunnan Key Laboratory of Artificial Intelligence, Kunming, Yunnan 650500, China
  • 3Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (20)
    Cited By (1)
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    Figures & Tables(12)
    Schematic diagram of the relative distance

    Fig. 1. Schematic diagram of the relative distance

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    Flow chart of the probability-based diagnostic imaging method

    Fig. 2. Flow chart of the probability-based diagnostic imaging method

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    Schematic diagram and physical diagram of the specimen. (a) Schematic diagram;(b) physical diagram

    Fig. 3. Schematic diagram and physical diagram of the specimen. (a) Schematic diagram;(b) physical diagram

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    Time domain and frequency domain diagrams of the excitation signal. (a) Time domain diagram; b) frequency domain diagram

    Fig. 4. Time domain and frequency domain diagrams of the excitation signal. (a) Time domain diagram; b) frequency domain diagram

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    Diagram of the damage scattered signal

    Fig. 5. Diagram of the damage scattered signal

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    Hilbert transform modulus graph of the damage scattered signal

    Fig. 6. Hilbert transform modulus graph of the damage scattered signal

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    Parameters of different damage factors. (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

    Fig. 7. Parameters of different damage factors. (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

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    Probability-based diagnostic imaging results under different cycles. (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

    Fig. 8. Probability-based diagnostic imaging results under different cycles. (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

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    X-ray images of CFRP fatigue damage at different fatigue cycles. (a) L=10000; (b) L=70000; (c) L=90000

    Fig. 9. X-ray images of CFRP fatigue damage at different fatigue cycles. (a) L=10000; (b) L=70000; (c) L=90000

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    Probability-based diagnostic imaging results under different cycles (threshold is 0.75). (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

    Fig. 10. Probability-based diagnostic imaging results under different cycles (threshold is 0.75). (a) Cross correlation damage factor; (b) energy damage factor; (c) ToF damage factor

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    • Table 1. Position coordinates of different PZT

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      Table 1. Position coordinates of different PZT

      PZT numberCoordinates /mmPZT numberCoordinates /mm
      1(128,202.5)7(25, 51)
      2(109,202.5)8(44, 51)
      3(90,202.5)9(63, 51)
      4(64,202.5)10(89, 51)
      5(45,202.5)11(108, 51)
      6(26,202.5)12(127, 51)

    • Table 2. Probability-based diagnostic imaging results of different damage factors

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      Table 2. Probability-based diagnostic imaging results of different damage factors

      Fatigue cycle numberQuantitative indicatorsDCiDEiDTi
      10000actual damage area/cm28.248.248.24
      imaging damage area/cm252.4953.0327.87
      error5.3705.4362.382
      error percentage/%55.6456.18-
      70000actual damage area/cm215.8215.8215.82
      imaging damage area/cm251.9559.0033.21
      error2.2842.7291.100
      error percentage/%51.8459.69-
      90000actual damage area/cm218.6318.6318.63
      imaging damage area/cm255.7858.4537.24
      error1.9942.1371.000
      error percentage/%49.8553.21-
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    Qiongying Kong, Bo Ye, Weiquan Deng, Chen Chen, Danhong Wang. Probability-Based Diagnostic Imaging Method of Fatigue Damage for Carbon Fiber Reinforced Plastic Based on ToF Damage Factor[J]. Laser & Optoelectronics Progress, 2021, 58(16): 1610002

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    Paper Information

    Category: Image Processing

    Received: Oct. 19, 2020

    Accepted: Dec. 3, 2020

    Published Online: Aug. 22, 2021

    The Author Email: Bo Ye (310345884@qq.com)

    DOI:10.3788/LOP202158.1610002

    Topics

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