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Sensors 2017, 17(11), 2679;

Nondestructive Evaluation of Carbon Fiber Bicycle Frames Using Infrared Thermography

Department of Computer Science and Engineering, University of Oviedo, 33204 Gijón, Asturias, Spain
Computer Vision and Systems Laboratory, Laval University, Quebec City, QC G1V 0A6, Canada
Visiooimage Inc., Infrared Thermography Testing Systems, 2604, Rue Lapointe, Quebec City, QC G1W 1A8, Canada
Op3Mech Research Group, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
Actia Digital Ventures SRLU (THEBIKESPLACE.COM), 28413 Madrid, Spain
Author to whom correspondence should be addressed.
Received: 29 September 2017 / Revised: 11 November 2017 / Accepted: 14 November 2017 / Published: 20 November 2017
(This article belongs to the Special Issue Intelligent Sensing Technologies for Nondestructive Evaluation)
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Bicycle frames made of carbon fibre are extremely popular for high-performance cycling due to the stiffness-to-weight ratio, which enables greater power transfer. However, products manufactured using carbon fibre are sensitive to impact damage. Therefore, intelligent nondestructive evaluation is a required step to prevent failures and ensure a secure usage of the bicycle. This work proposes an inspection method based on active thermography, a proven technique successfully applied to other materials. Different configurations for the inspection are tested, including power and heating time. Moreover, experiments are applied to a real bicycle frame with generated impact damage of different energies. Tests show excellent results, detecting the generated damage during the inspection. When the results are combined with advanced image post-processing methods, the SNR is greatly increased, and the size and localization of the defects are clearly visible in the images. View Full-Text
Keywords: optical active infrared inspection; carbon fibre bicycle frame; nondestructive evaluation optical active infrared inspection; carbon fibre bicycle frame; nondestructive evaluation

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Usamentiaga, R.; Ibarra-Castanedo, C.; Klein, M.; Maldague, X.; Peeters, J.; Sanchez-Beato, A. Nondestructive Evaluation of Carbon Fiber Bicycle Frames Using Infrared Thermography. Sensors 2017, 17, 2679.

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