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Corrosion Behavior of 304 Stainless Steel Exposed to a Simulated Salt Lake Atmosphere
Guo, Mingxiao1,2; Yin, Qi1,2; Liu, Miaoran1,3; Pan, Chen1; Wang, Zhenyao1
Corresponding AuthorPan, Chen(cpan@imr.ac.cn) ; Wang, Zhenyao(zhywang@imr.ac.cn)
2020-03-16
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages14
AbstractThe corrosion behavior of stainless steel exposed to a simulated salt lake atmosphere has been investigated by analyzing the evolution of surface morphologies and corrosion products, the initiation and development of pits, and the electrochemical characteristics. The results indicated that (Mg6Fe2(OH)(16)(CO3)(H2O)(4.5))(0.25), a layered double hydroxide, has been detected for the first time in the corrosion products formed on stainless steel exposed to a simulated salt lake atmosphere. The specimens exposed to MgCl2 deposit conditions were corroded more severely than those exposed to NaCl deposit conditions, which was attributed to the differences in the deliquescence relative humidity and efflorescence relative humidity values of MgCl2 and NaCl. In addition, a special corrosion morphology consisting of a concentric circle of yellowish material was observed on the specimens exposed to MgCl2 deposit conditions, which was attributed to the formation of Mg(OH)(2), inhibiting the diffusion and migration of OH- ions to the anode region. The maximum pit depth followed a power function with respect to corrosion time. The corrosion mechanism of stainless steel exposed to a simulated salt lake atmosphere is also discussed.
KeywordAtmospheric corrosion Stainless steel Salt lake atmosphere Pitting corrosion
Funding OrganizationNational Natural Science Foundation of China ; Guangzhou Industry-university-research Collaborative Innovation Alliance Special Project
DOI10.1007/s40195-020-01028-w
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601199] ; National Natural Science Foundation of China[51671197] ; Guangzhou Industry-university-research Collaborative Innovation Alliance Special Project[201604046014]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000520628800001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138098
Collection中国科学院金属研究所
Corresponding AuthorPan, Chen; Wang, Zhenyao
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Mingxiao,Yin, Qi,Liu, Miaoran,et al. Corrosion Behavior of 304 Stainless Steel Exposed to a Simulated Salt Lake Atmosphere[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:14.
APA Guo, Mingxiao,Yin, Qi,Liu, Miaoran,Pan, Chen,&Wang, Zhenyao.(2020).Corrosion Behavior of 304 Stainless Steel Exposed to a Simulated Salt Lake Atmosphere.ACTA METALLURGICA SINICA-ENGLISH LETTERS,14.
MLA Guo, Mingxiao,et al."Corrosion Behavior of 304 Stainless Steel Exposed to a Simulated Salt Lake Atmosphere".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):14.
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