TY - JOUR
T1 - Early stages of dissolution corrosion in 316L and DIN 1.4970 austenitic stainless steels with and without anticorrosion coatings in static liquid lead-bismuth eutectic (LBE) at 500 °C
AU - Charalampopoulou, Evangelia
AU - Lambrinou, Konstantina
AU - Van der Donck, Tom
AU - Paladino, Boris
AU - Di Fonzo, Fabio
AU - Azina, Clio
AU - Eklund, Per
AU - Mráz, Stanislav
AU - Schneider, Jochen M.
AU - Schryvers, Dominique
AU - Delville, Rémi
N1 - Funding Information:
The authors gratefully acknowledge the support (in terms of test setups and supply of 316L & DIN 1.4970 steel specimens) provided in the framework of the MYRRHA project. The fabrication of anticorrosion coatings was funded by the Euratom research and training programme 2014-2018 under Grant Agreement No. 740415 ( H2020 IL TROVATORE ) and Grant Agreement No. 755269 ( H2020 GEMMA ). E. Charalampopoulou and K. Lambrinou would like to personally thank J. Joris for technical support during the launching and follow up of all corrosion tests, D. Penneman for his help with the annealing heat treatment of the 1.4970-t-24CW tube segment, as well as J. Lim for the manufacture and calibration of the oxygen sensors used in this study. The research leading to these results falls within the framework of the European Energy Research Alliance Joint Programme on Nuclear Materials (EERA JPNM).
Publisher Copyright:
© 2021 Elsevier Inc.
Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2021/8/1
Y1 - 2021/8/1
N2 - This work addresses the early stages (≤1000 h) of the dissolution corrosion behavior of 316L and DIN 1.4970 austenitic stainless steels in contact with oxygen-poor (CO < 10−8 mass%), static liquid lead‑bismuth eutectic (LBE) at 500 °C for 600–1000 h. The objective of this study was to determine the relative early-stage resistance of the uncoated steels to dissolution corrosion and to assess the protectiveness of select candidate coatings (Cr2AlC, Al2O3, V2AlxCy). The simultaneous exposure of steels with intended differences in microstructure and thermomechanical state showed the effects of steel grain size, density of annealing/deformation twins, and secondary precipitates on the steel dissolution corrosion behavior. The findings of this study provide recommendations on steel manufacturing with the aim of using the steels to construct Gen-IV lead-cooled fast reactors.
AB - This work addresses the early stages (≤1000 h) of the dissolution corrosion behavior of 316L and DIN 1.4970 austenitic stainless steels in contact with oxygen-poor (CO < 10−8 mass%), static liquid lead‑bismuth eutectic (LBE) at 500 °C for 600–1000 h. The objective of this study was to determine the relative early-stage resistance of the uncoated steels to dissolution corrosion and to assess the protectiveness of select candidate coatings (Cr2AlC, Al2O3, V2AlxCy). The simultaneous exposure of steels with intended differences in microstructure and thermomechanical state showed the effects of steel grain size, density of annealing/deformation twins, and secondary precipitates on the steel dissolution corrosion behavior. The findings of this study provide recommendations on steel manufacturing with the aim of using the steels to construct Gen-IV lead-cooled fast reactors.
KW - Anticorrosion coatings
KW - Austenitic stainless steels
KW - Dissolution corrosion
KW - Lead‑bismuth eutectic (LBE)
KW - Liquid metal corrosion
UR - http://www.scopus.com/inward/record.url?scp=85109427437&partnerID=8YFLogxK
U2 - 10.1016/j.matchar.2021.111234
DO - 10.1016/j.matchar.2021.111234
M3 - Article
AN - SCOPUS:85109427437
VL - 178
JO - Materials Characterization
JF - Materials Characterization
SN - 1044-5803
M1 - 111234
ER -