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Computational Evaluation of the Influence of Various Uniaxial Load Levels on Pit Growth of Stainless Steel under Mechanoelectrochemical Interactions
Guo, Shu; Wang, Haitao; Han, En-Hou
Corresponding AuthorWang, Haitao(htwang@imr.ac.cn)
2018
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume165Issue:9Pages:C515-C523
AbstractNumerical modelling of the effects of different applied load levels on the growth of metastable single pit in stainless steel is the subject of the present work. A cellular automata model integrated with finite element analysis is used, taking into account both the electrochemical reactions during metastable pitting growth process and the real-time influence of local stress/strain distribution at pit surface on anodic dissolution. Specifically, in the current work the impacts of uniaxial load levels on pitting corrosion for various conditions of passive layer degradation extents and hydrogen ions diffusion coefficients are quantitatively assessed in terms of current transient. For a general condition with uniaxial applied load level increases from 0 MPa to 250 MPa, the ascending trend of current transient and current density transient is observed due to the increase of plastic strain accumulation at pit bottom, revealing the enhancement of metastable pit growth rate. Meanwhile, the critical magnitude of load level enabling metastable pitting to alter into the development of stable pit for each condition is discussed and predicted. (C) 2018 The Electrochemical Society.
Funding OrganizationNational Key Research and Development Program of China
DOI10.1149/2.1071809jes
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0702100]
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
WOS IDWOS:000440924800070
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128814
Collection中国科学院金属研究所
Corresponding AuthorWang, Haitao
AffiliationChinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Guo, Shu,Wang, Haitao,Han, En-Hou. Computational Evaluation of the Influence of Various Uniaxial Load Levels on Pit Growth of Stainless Steel under Mechanoelectrochemical Interactions[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2018,165(9):C515-C523.
APA Guo, Shu,Wang, Haitao,&Han, En-Hou.(2018).Computational Evaluation of the Influence of Various Uniaxial Load Levels on Pit Growth of Stainless Steel under Mechanoelectrochemical Interactions.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,165(9),C515-C523.
MLA Guo, Shu,et al."Computational Evaluation of the Influence of Various Uniaxial Load Levels on Pit Growth of Stainless Steel under Mechanoelectrochemical Interactions".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 165.9(2018):C515-C523.
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