Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches
Abstract
:1. Introduction
2. ECT Inspection Process and Setup
2.1. Characteristics of the Specimens under Test
2.2. ECT Probe
2.3. Experimental Setup and Procedures Used for the ECT Inspection
3. Methodology for Imaging and Estimating Delamination Size
4. C-Scan Images of the ECT Data
5. Erosion Method for ECT Data
6. Thresholding Approaches for Damage Evaluation
7. Delamination Imaging and Sizing
8. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Approx. Length of the Delamination [mm] | Only Threshold | Erosion→Threshold | Threshold→Erosion | ||||||
---|---|---|---|---|---|---|---|---|---|
−3 dB | −6 dB | Otsu’s | −3 dB | −6 dB | Otsu’s | −3 dB | −6 dB | Otsu’s | |
5 | 11.00 | 16.18 | 16.18 | 7.00 | 9.73 | 67.27 | 5.91 | 9.73 | 9.73 |
20 | 22.18 | 24.45 | 24.45 | 18.00 | 19.73 | 20.00 | 17.64 | 19.73 | 19.73 |
50 | 20.09 | 54.36 | 57.64 | 17.27 | 51.18 | 54.45 | 13.91 | 49.64 | 53.00 |
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Pasadas, D.J.; Barzegar, M.; Ribeiro, A.L.; Ramos, H.G. Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches. Sensors 2024, 24, 5932. https://doi.org/10.3390/s24185932
Pasadas DJ, Barzegar M, Ribeiro AL, Ramos HG. Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches. Sensors. 2024; 24(18):5932. https://doi.org/10.3390/s24185932
Chicago/Turabian StylePasadas, Dario J., Mohsen Barzegar, Artur L. Ribeiro, and Helena G. Ramos. 2024. "Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches" Sensors 24, no. 18: 5932. https://doi.org/10.3390/s24185932
APA StylePasadas, D. J., Barzegar, M., Ribeiro, A. L., & Ramos, H. G. (2024). Eddy Current-Based Delamination Imaging in CFRP Using Erosion and Thresholding Approaches. Sensors, 24(18), 5932. https://doi.org/10.3390/s24185932