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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Baque, F. Paumel, K. Corneloup, G. Ploix, M.A. Augem, J.M. |
| Copyright Year | 2011 |
| Description | Author affiliation: Aix-Marseille University, LCND, 13625 Aix-en-Provence Cedex France (Corneloup, G.; Ploix, M.A.) || CEA, DTN, 13108 Saint Paul lez Durance Cedex France (Baque, F.; Paumel, K.) || EDF, 12-14 avenue Dutrievoz 69628 Villeurbanne (Augem, J.M.) |
| Abstract | The In Service Inspection of internal structures of future liquid sodium cooled fast reactors implies, among different options, the use of ultrasounds from the outside of sodium circuit. In these conditions, ultrasounds have to propagate through the metallic envelope of main vessel, then other immersed plates. Thus the study aims at mastering ultrasonic propagation in these multilayered structures in order to determine the best conditions allowing NDT of a plate behind some screens. The necessity of propagating a maximum of energy through bounded media orientated the study towards Lamb waves. Those are often employed for singles plates or solid layers but they are less usual for liquid/solid alternations. Theoretical results are obtained using transfer matrix method. They are compared to in water experimental measurements. Cases with one, two and three parallel plates without then with an artificial defect are presented for identical and different thicknesses of plates. Results show that an artificial crack defect is obviously detected in a plate located behind one and two screens. Measured attenuation is compatible with industrial NDT conditions. Thus a promising potential is shown for this inspection technique |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 732522 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781457709258 |
| e-ISBN | 9781457709272 |
| DOI | 10.1109/ANIMMA.2011.6172879 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-06-06 |
| Publisher Place | Belgium |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Ultrasonic imaging Ultrasonic variables measurement Sodium Lamb Waves In-Service Inspection Inspection Maintenance engineering Acoustics Nuclear reactors Steel Transfer Matrix Method Inductors |
| Content Type | Text |
| Resource Type | Article |
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