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18 April 2023 In-line quality assurance for ENDT of multi material adherend surfaces
C. Tornow, J. Adam, M. Martins Meslo, T. Strohbach, M. Schlag, K. Brune
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Proceedings Volume 12487, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVII; 1248702 (2023) https://doi.org/10.1117/12.2666178
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States
Abstract
To reduce CO2-emissions lightweight structures needs to be implemented in all transport applications. At the same time, low-weight and high performance materials must provide safety and reliability, at economical prices. Extended Non-Destructive Testing (ENDT) contributes to safeguarding the performance of adhesively joined load-critical structures, permitting to steadily monitor adherent surfaces prior to bonding and to detect adhesion properties of bonded components. In the present work, approaches exceeding the state-of-the-art of innovative ENDT techniques like robot-based Laser-Induced Breakdown Spectroscopy (LIBS) are presented. Furthermore, automated, AI-based image processing and evaluation methods for surface quality inspection are shown, aiming at overcoming today’s limitations concerning handling, evaluation speed and reliability of results. First results of automated in-line surface quality assurance approaches for assessing multi material adherent surfaces are highlighted.
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C. Tornow, J. Adam, M. Martins Meslo, T. Strohbach, M. Schlag, and K. Brune "In-line quality assurance for ENDT of multi material adherend surfaces", Proc. SPIE 12487, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVII, 1248702 (18 April 2023); https://doi.org/10.1117/12.2666178
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KEYWORDS
Laser induced breakdown spectroscopy
Adhesives
Carbon fiber reinforced plastics
Inspection
Contamination
Image processing
Imperfections
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