DOI: 10.17586/1023-5086-2022-89-04-70-79

Research of defect detection method on carbon composite laminates based on digital shearography

Yang, F., Chen W., Li S., Chen T., Lu Y., Zhong, P.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Fu Yang, Wenhao Chen, Shuxin Li, Tangjiali Chen, Yanyu Lu, Ping Zhong. Исследование метода обнаружения дефектов на углеродных композитных ламинатах на основе цифровой ширографии // Оптический журнал. 2022. Т. 89. № 4. С. 70–79. http://doi.org/ 10.17586/1023-5086-2022-89-04-70-79

Yang F., Chen W.H., Li S.X., Chen T.J.L., Lu Y.Y., Zhong P. Research of defect detection method on carbon composite laminates based on digital shearography // Оптический журнал. 2022. Т. 89. № 4. С. 70–79. http://doi.org/ 10.17586/1023-5086-2022-89-04-70-79

For citation (Journal of Optical Technology):

Fu Yang, Wenhao Chen, Shunxin Li, Tangjiali Chen, Yanyu Lu, and Ping Zhong, "Research on a defect detection method on carbon composite laminates based on digital shearography," Journal of Optical Technology. 89(4), 236-242 (2022). https://doi.org/10.1364/JOT.89.000236

Abstract:

Subject of study. Carbon composite laminates have been one of the major aviation structural materials. Owing to the merits of non-contact, self-coherent, non-destructive, and full-field, Digital Shearing Speckle Pattern Interferometry (DSSPI) has the potential to be effective in detection on various surface shape carbon composite, especially the close-type defect in the composite laminates. Method. In this paper, a DSSPI system containing both simulation and experiment, used for the measurement of different curvature radius carbon composite laminates, is established. Main results. Based on our proposed criterion to evaluate whether the defects can be judged or not, the experiment loading parameters are applied; and the detection abilities under variable loading parameters are predicted. The effectiveness of the experiment system is verified through the comparison with the X-Ray and the Ultrasound techniques. The simulation results are consistent well with the experiments to show its effectiveness. Practical significance. The work in this paper can provide a reliable guidance to the loading parameters and predict the detection performance in the real DSSPI experiment system.

Keywords:

digital shearing speckle pattern interferometry, cylindrical shell, carbon composite laminates, defect detection

Acknowledgements:

the authors acknowledge the financial support from Open Project of Key Laboratory of Space Laser Information Transmission and Detection Technology, Chinese Academy of Sciences, Chinese Scholarship Council (No. 201506635013), the National Natural Science Foundation of China (Grant No. 51975116, 51575099), the Shanghai Natural Science Foundation (Grant No. 22ZR1402600), Shanghai 2021 “Science and Technology Innovation Plan” Social Development Science and Technology Research Project (21DZ1205402).

OCIS codes: 120.6165, 110.6150, 040.1520

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