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Appl. Sci. 2016, 6(2), 58;

The Ultrasonic Polar Scan for Composite Characterization and Damage Assessment: Past, Present and Future

Mechanics of Materials and Structures, Department of Materials Science and Engineering, Ghent University, Technologiepark-Zwijnaarde 903, 9052 Zwijnaarde, Belgium
Wave Propagation and Signal Processing, Department of Physics, KULeuven-KULAK, Etienne-Sabbelaan 52, 8500 Kortrijk, Belgium
Department Mechanics of Materials and Constructions, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
This paper is an extended version of paper published in the 6th International Conference on Emerging Technologies in Non-destructive Testing, ETNDT6 held in Brussels, 27–29 May 2015.
Author to whom correspondence should be addressed.
Academic Editors: Dimitrios G. Aggelis and Nathalie Godin
Received: 30 December 2015 / Revised: 10 February 2016 / Accepted: 14 February 2016 / Published: 22 February 2016
(This article belongs to the Special Issue Acoustic and Elastic Waves: Recent Trends in Science and Engineering)
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In the early 1980’s, the ultrasonic polar scan (UPS) technique was developed to assess the fiber direction of composites in a nondestructive way. In spite of the recognition by several researchers as being a sophisticated and promising methodology for nondestructive testing (NDT) and materials science, little advance was made during the following 30 years. Recently however, the UPS technique experienced a strong revival and various modifications to the original UPS setup have been successfully implemented. This revival has exposed several powerful capabilities and interesting applications of the UPS technique for material characterization and damage assessment. This paper gives a short historical overview of the UPS technique for characterizing and inspecting (damaged) fiber-reinforced plastics. In addition, a few future research lines are given, which will further expand the applicability and potential of the UPS method to a broader range of (damaged) materials, bringing the UPS technique to the next level of maturity. View Full-Text
Keywords: ultrasound; ultrasonic polar scan; composites; NDT; characterization; damage ultrasound; ultrasonic polar scan; composites; NDT; characterization; damage

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Kersemans, M.; Martens, A.; Degrieck, J.; Van Den Abeele, K.; Delrue, S.; Pyl, L.; Zastavnik, F.; Sol, H.; Van Paepegem, W. The Ultrasonic Polar Scan for Composite Characterization and Damage Assessment: Past, Present and Future. Appl. Sci. 2016, 6, 58.

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