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Effect of thermal ageing and dissolved gas on corrosion of 308L stainless steel weld metal in simulated PWR primary water
Lin, Xiaodong1,3,4; Peng, Qunjia1,2; Han, Yaolei2; Han, En-Hou1; Ke, Wei1
Corresponding AuthorPeng, Qunjia(pengqunjia@cgnpc.com.cn)
2022-01-10
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume96Pages:308-324
AbstractThe corrosion of unaged and 70 0 0-h thermally aged 308L stainless steel weld metals in simulated PWR primary water under aerated and deaerated conditions was investigated, involving the corrosion of austenite, 8-ferrite and 8-ferrite/austenite phase boundary. The results revealed that thermal ageing for 70 0 0 h had a limited effect on the corrosion behavior of 308L weld metal as it only increased the inner oxide thickness of 8-ferrite slightly under the deaerated condition. No obvious corrosion enhancement of 308L weld metal under the aerated condition was found compared to the deaerated condition regardless of the thermal ageing. Nevertheless, Cr-enrichment on the surface of oxide particles, dissolved regions at the metal/oxide interface and localized corrosion along the 8-ferrite/austenite phase boundary occurred under the aerated condition. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordStainless steel weld metal Thermal ageing Corrosion High temperature water TEM
Funding OrganizationNational Natural Science Foundation of China ; Gusu Innovation Leader Talents Program
DOI10.1016/j.jmst.2021.05.026
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52071018] ; Gusu Innovation Leader Talents Program[ZXL2017112]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000737284500005
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173803
Collection中国科学院金属研究所
Corresponding AuthorPeng, Qunjia
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Suzhou Nucl Power Res Inst, Suzhou 215004, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
4.Shanghai Univ, Inst Mat, Shanghai 200072, Peoples R China
Recommended Citation
GB/T 7714
Lin, Xiaodong,Peng, Qunjia,Han, Yaolei,et al. Effect of thermal ageing and dissolved gas on corrosion of 308L stainless steel weld metal in simulated PWR primary water[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,96:308-324.
APA Lin, Xiaodong,Peng, Qunjia,Han, Yaolei,Han, En-Hou,&Ke, Wei.(2022).Effect of thermal ageing and dissolved gas on corrosion of 308L stainless steel weld metal in simulated PWR primary water.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,96,308-324.
MLA Lin, Xiaodong,et al."Effect of thermal ageing and dissolved gas on corrosion of 308L stainless steel weld metal in simulated PWR primary water".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 96(2022):308-324.
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