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Corrosion behaviour of 304L stainless steel and 5754 aluminium alloy for intermediate‐level radioactive waste containers
Author(s) -
André B.,
Fiers B.,
Creton N.,
Dirand C.,
Poinsot D.,
Faure S.,
Chevalier S.
Publication year - 2016
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.201508736
Subject(s) - metallurgy , materials science , aluminium , corrosion , alloy , container (type theory) , 5005 aluminium alloy , radioactive waste , 6111 aluminium alloy , waste management , composite material , engineering
300 series stainless steels are the most common materials used in the manufacture of container for the intermediate storage of low‐ and intermediate‐level radioactive wastes. Today, aluminium alloys are being considered as an alternative as they would enable gamma measurements to be performed directly through the container. However, reactions which occur during storage, lead to the formation of corrosive species. An investigation and comparison of the corrosion behaviour of a 5754 aluminium alloy container with that of a 304L stainless steel container was realised. Samples were introduced in corrosive environment during several months and then characterised by SEM. Results allow or not to validate the use of this aluminium alloy as nuclear container material.