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Nodular corrosion inside the crevice of Alloy 690 in deaerated high-temperature chloride solution
Ning, Fangqiang1,2; Tan, Jibo1; Zhang, Ziyu1; Wang, Xiang1; Wu, Xinqiang1; Han, En-Hou1; Ke, Wei1
Corresponding AuthorWu, Xinqiang(xqwu@imr.ac.cn)
2021-06-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume185Pages:10
AbstractCrevice corrosion behavior of Alloy 690 in 290 ?C deaerated chloride solution was investigated using a hightemperature crevice corrosion exposure device. The results show that the oxide film enriched in Cr formed inside the crevice is thinner than that enriched in Ni formed outside the crevice. A kind of nodular corrosion occurred inside the crevice. The autocatalytic effect resulting from the limitation of metallic ions diffusion caused by the crevice geometry promoted the development of nodular corrosion. The mechanism of oxide film and nodular corrosion formation during crevice corrosion are discussed.
KeywordA Alloy 690 B TEM B XPS C Crevice corrosion C High-temperature corrosion C Chlorination
Funding OrganizationNational Natural Science Foundation of China ; National Science and Technology Major Project
DOI10.1016/j.corsci.2021.109442
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51971230] ; National Natural Science Foundation of China[51671201] ; National Science and Technology Major Project[2017ZX06002003-004-002]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000647584300004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161128
Collection中国科学院金属研究所
Corresponding AuthorWu, Xinqiang
Affiliation1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Ning, Fangqiang,Tan, Jibo,Zhang, Ziyu,et al. Nodular corrosion inside the crevice of Alloy 690 in deaerated high-temperature chloride solution[J]. CORROSION SCIENCE,2021,185:10.
APA Ning, Fangqiang.,Tan, Jibo.,Zhang, Ziyu.,Wang, Xiang.,Wu, Xinqiang.,...&Ke, Wei.(2021).Nodular corrosion inside the crevice of Alloy 690 in deaerated high-temperature chloride solution.CORROSION SCIENCE,185,10.
MLA Ning, Fangqiang,et al."Nodular corrosion inside the crevice of Alloy 690 in deaerated high-temperature chloride solution".CORROSION SCIENCE 185(2021):10.
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