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Abstracts and Available Papers Presented at the 2002 International RERTR Meeting
DETECTION OF DELAMINATION
DEFECTS IN PLATE TYPE FUEL ELEMENTS
APPLYING AN AUTOMATED C-SCAN ULTRASONIC SYSTEM
Ing. P. KATCHADJIAN, Ing.
C. DESIMONE, Ing. C. ZIOBROWSKI, Sr. A. GARCIA.
[email protected] , [email protected] , [email protected] , [email protected]
Non Destructive
Testing Department,
National Atomic
Energy Commission of Argentina
(CNEA)
ABSTRACT
For the inspection of plate type fuel
elements to be used in Research Nuclear Reactors it was applied an immersion
pulse-echo ultrasonic technique. For that reason an automated movement system
was implemented according to the axes X, Y and Z that allows to automate the
test and to show the results obtained in format of C-Scan, facilitating the
immediate identification of possible defects and making repetitive the
inspection.
In this work problems
found during the laboratory tests and factors that difficult the
inspection are commented. Also the results of C-Scans over UMo
fuel elements with pattern defects are shown. Finally, the main characteristics
of the transducer with the one the better results were obtained are detailed.
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