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Webinar on Corrosion in a Spent Nuclear Fuel Recycling Plant
April 23, 2021 @ 09:00 - 10:15
On the occasion of the CORROSION AWARENESS DAY 2021 the EFC Working Party 4 will hold its second online seminar on nuclear corrosion:
Journey to the heart of the corrosion processes involved in a spent nuclear fuel recycling plant
Benoit Gwinner, Université Paris-Saclay, CEA, Service de la Corrosion et du Comportement des Matériaux dans leur Environnement, Gif-sur-Yvette, France
Friday, April 23, 2021, 9:00 to 10:15 CEST (16:00 to 17:15 JST)
Online via Zoom, please register (free of charge) to receive the link to the virtual meeting room: https://dechema.zoom.us/webinar/register/WN_C_w7rSEyRhixtgMP9I0KvA
The durability and safe operation of the spent nuclear fuel recycling plant in La Hague are major industrial challenges. Among other criteria, a key point is the assessment of corrosion of the structural materials (mainly stainless steel and zirconium) in contact with the oxidizing dissolution medium (hot and concentrated nitric acid with impurities). This goal is achieved both by a continuous and precise control of the evolution of the wall thickness of the plant equipment and by a detailed investigation of the corrosion processes involved. The aim of this talk is to give an insight on both, cathodic and anodic processes occurring in such systems, including oxide film characterization and modelling results.