POTENTIAL OF ULTRASOUNDS FOR NDT OF A STRUCTURE LOCATED BEHIND PARALLEL IMMERSED PLATES

G. Corneloup (1) , M.A. Ploix (1) , Jean François Chaix (1) , I. Lillamand (1) , F. Baqué (2)

1 LCND - Laboratoire de Caractérisation Non Destructive [Aix en Provence]
2 DTN - Département Technologie Nucléaire

The in‐service inspection (ISI) of internal structures in future liquid sodium‐cooled fast reactors is studied in‐depth by the CEA. Among the different options available, ultrasounds from outside the sodium circuit can be used for this purpose. The need to propagate the maximum energy possible orientated the study towards Lamb waves. This study aims at controlling ultrasonic propagation in these multilayered structures in order to determine the best conditions for the NDT of a plate behind n screens.

Mots clés: ultrasonics; Fast reactors; Liquid structure; Sodium; surface acoustic waves

Domaines: Acoustique [physics.class-ph]; Acoustique [physics.class-ph]

G. Corneloup, M.A. Ploix, Jean François Chaix, I. Lillamand, F. Baqué. POTENTIAL OF ULTRASOUNDS FOR NDT OF A STRUCTURE LOCATED BEHIND PARALLEL IMMERSED PLATES. Review of Progress in Quantitative NonDestructive Evaluation, 2010, San Diego, United States. pp.1695--1700, ⟨10.1063/1.3592132⟩. ⟨hal-01300017⟩