SYMPOSIA PAPER Published: 12 May 2018
STP160320170143

Experience Gained in Reactor Pressure Vessel Surveillance Programs in France

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This paper describes the methodology of the French surveillance program as well as some aspects of the experience gained during its progress. Its main uses in the structural integrity assessment of the vessel consist of updating and validating the conservatism of the prediction of the lower-bound toughness curve used to assess the margins against brittle fracture. Its perspectives in the frame of the planned extended operation beyond 40 years are associated with the flux reductions that will be implemented in the 900-MWe fleet. Two surveillance capsules are dedicated to a specific monitoring in the 40 to 60-year range to complement the data set in the relevant fluence range.

Author Information

Todeschini, Patrick
EDF-R&D, MMC Dept., FR
Pineau, Louison
EDF-DIPNN-DI, DLAB Depart., FR
Courtois, Benoît
EDF-DIPNN-DI, DLAB Depart., FR
Shen, Yang
EDF-DIPNN-DI, DLAB Depart., FR
Gharbaoui, Malika, El
EDF-DIPNN-DI, DETU Dept., FR
Jardin, Nicolas
EDF-DPNT-DPN, UNIE, FR
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Details
Developed by Committee: E10
Pages: 184–201
DOI: 10.1520/STP160320170143
ISBN-EB: 978-0-8031-7652-2
ISBN-13: 978-0-8031-7651-5