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Sensors 2017, 17(11), 2679; https://doi.org/10.3390/s17112679

Nondestructive Evaluation of Carbon Fiber Bicycle Frames Using Infrared Thermography

1
Department of Computer Science and Engineering, University of Oviedo, 33204 Gijón, Asturias, Spain
2
Computer Vision and Systems Laboratory, Laval University, Quebec City, QC G1V 0A6, Canada
3
Visiooimage Inc., Infrared Thermography Testing Systems, 2604, Rue Lapointe, Quebec City, QC G1W 1A8, Canada
4
Op3Mech Research Group, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
5
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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Abstract

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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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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