Lingli XIE, Xiaokai WANG, Xinghui HAN, Yan ZENG, Shutong DAI. Defect Detection Method for R-zone of Ribbed Components Using Distributed Laser Ultrasonics[J]. Acta Photonica Sinica, 2023, 52(2): 0212002
- Acta Photonica Sinica
- Vol. 52, Issue 2, 0212002 (2023)
Fig. 1. Distributed laser ultrasonic testing method
Fig. 2. The sonic diagram of laser ultrasonic finite element simulation
Fig. 3. Schematic diagram of different defect detection
Fig. 4. Laser ultrasonic detect system
Fig. 5. Schematic diagram of the size of the processing defect
Fig. 6. The time domain waveform of receiving point for crack defect
Fig. 7. The time domain waveform of receiving point for blowhole defect
Fig. 8. Experimental crack defect B-scan
Fig. 9. Experimental blowhole defect B-scan
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Table 1. Material parameters of ribbed component
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Table 2. Wave arrival time for each mode
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Table 3. Defect location and size
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