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Ultrasonic NDE of thick polyurethane flexible riser stiffener material
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Mohamed, Ikhsan, Hutchins, David A., Davis, Lee A. J., Laureti, Stefano and Ricci, Marco (2017) Ultrasonic NDE of thick polyurethane flexible riser stiffener material. Nondestructive Testing and Evaluation, 32 (4). pp. 343-362. doi:10.1080/10589759.2016.1241253
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Official URL: http://dx.doi.org/10.1080/10589759.2016.1241253
Abstract
Ultrasonic signals at frequencies below 1 MHz have been used for the NDE of thick polymer samples. Coded signals such as chirps and bipolar Golay codes, together with pulse compression and signal processing, have been used to penetrate into thick sections of attenuating polypropylene riser stiffener material, using piezocomposite transducers to provide the required bandwidth. It is shown that this approach can be used to detect manufacturing defects such as air bubbles in flexible riser stiffeners, which might compromise their performance in the offshore oil and gas environments.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QC Physics T Technology > TN Mining engineering. Metallurgy T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science > Engineering | ||||||||||
| Library of Congress Subject Headings (LCSH): | Oil well drilling rigs -- Design and construction, Polyurethanes, Ultrasonic waves -- Attenuation | ||||||||||
| Journal or Publication Title: | Nondestructive Testing and Evaluation | ||||||||||
| Publisher: | Taylor & Francis Ltd. | ||||||||||
| ISSN: | 1058-9759 | ||||||||||
| Official Date: | 2017 | ||||||||||
| Dates: |
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| Volume: | 32 | ||||||||||
| Number: | 4 | ||||||||||
| Page Range: | pp. 343-362 | ||||||||||
| DOI: | 10.1080/10589759.2016.1241253 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access | ||||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||||
| Grant number: | EP/K031201/1 | ||||||||||
| RIOXX Funder/Project Grant: |
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