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The main objective of the project was the further development of various non-destructive testing (NDT) methods to perform tasks on complete packages filled with radioactive waste: (i) detection of free water on the matrix surface; (ii) determination of the matrix level; (iii) measurement of the internal gas pressure. The NDT methods to be applied were identified in a previous screening study. These methods were: acoustic impedance measurement (AIM), Lamb wave attenuation measurement, a pressure compensation method and the analysis of cover resonances. The main objects of investigation were 200-litre drums of 1.5 mm wall thickness (rolling-hoop and rolling-channel drums) filled with concrete to different levels. Suitable probe heads for these four NDT methods were designed and built. Both the handling of the drums (translation, rotation and tilting) and the non-destructive measurements are performed under automatic control.

Additional information

Authors: EISENBLÄTTER J, Battelle-Institut ev, Frankfurt a Main (DE)
Bibliographic Reference: EUR 16190 EN (1995) 50 pp., FS, ECU 7
Availability: (2)
ISBN: ISBN 92-827-0088-7
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