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Appl. Sci. 2018, 8(2), 240;

Thermographic Non-Destructive Evaluation for Natural Fiber-Reinforced Composite Laminates

Computer Vision and Systems Laboratory (CVSL), Department of Electrical and Computer Engineering, Laval University, 1065 av. de la Médecine, Quebec City, QC G1V 0A6, Canada
Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Tomsk Polytechnic University, 634028 Tomsk, Russia
Department of Chemical Engineering Materials Environment & UDR INSTM, Sapienza University of Rome, 00184 Rome, Italy
School of Architecture and Design (SAD), University of Camerino, 63100 Ascoli Piceno, Italy
School of Computer Sciences, Federal University of Uberlandia, Uberlandia 38400-902, Brazil
Aerospace Integration Research Centre (AIRC), College Road, Cranfield MK43 0AL, UK
Current Address: Center for Advanced Diffusion-Wave Technologies (CADIFT), Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON M5S 3G8, Canada.
Author to whom correspondence should be addressed.
Received: 15 December 2017 / Revised: 18 January 2018 / Accepted: 23 January 2018 / Published: 5 February 2018
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Natural fibers, including mineral and plant fibers, are increasingly used for polymer composite materials due to their low environmental impact. In this paper, thermographic non-destructive inspection techniques were used to evaluate and characterize basalt, jute/hemp and bagasse fibers composite panels. Different defects were analyzed in terms of impact damage, delaminations and resin abnormalities. Of particular interest, homogeneous particleboards of sugarcane bagasse, a new plant fiber material, were studied. Pulsed phase thermography and principal component thermography were used as the post-processing methods. In addition, ultrasonic C-scan and continuous wave terahertz imaging were also carried out on the mineral fiber laminates for comparative purposes. Finally, an analytical comparison of different methods was given. View Full-Text
Keywords: plant fiber; mineral fiber; infrared thermography; non-destructive testing; composite plant fiber; mineral fiber; infrared thermography; non-destructive testing; composite

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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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Zhang, H.; Sfarra, S.; Sarasini, F.; Santulli, C.; Fernandes, H.; Avdelidis, N.P.; Ibarra-Castanedo, C.; Maldague, X.P.V. Thermographic Non-Destructive Evaluation for Natural Fiber-Reinforced Composite Laminates. Appl. Sci. 2018, 8, 240.

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