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Sermadiras, P.; Launay, J.P.
Electricite de France, 93 - Saint-Denis; Societe Franco-Americaine de Constructions Atomiques (FRAMATOME), 92 - Courbevoie (France)1983
Electricite de France, 93 - Saint-Denis; Societe Franco-Americaine de Constructions Atomiques (FRAMATOME), 92 - Courbevoie (France)1983
AbstractAbstract
[en] In 1978 underclad defects were deteced, in FRANCE, in the base metal of reactor vessel nozzles and steam generator tube sheets. EDF and FRAMATOME then developed examination methods aimed at detecting these cracks in shop and on site: manual and automatic ultrasonic examination of vessel nozzles (700 inclined longitudinal waves), and automatic Eddy Current examination of steam generator tube sheets. Studies are still going on to improve indication characterization and determine crack height
Original Title
PWR
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Source
Jan 1983; 107 p; Available from NTIS, PC A06/MF A01; 1 as DE83901446
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Report
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