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http://hdl.handle.net/10397/90270
| Title: | Multi-phase-field modeling of localized corrosion involving galvanic pitting and mechano-electrochemical coupling | Authors: | Lin, C Ruan, H |
Issue Date: | Dec-2020 | Source: | Corrosion science, Dec. 2020, v. 177, 108900, p. 1-17 | Abstract: | A new multi-phase-field (multi-PF) model is proposed to study a complex localized corrosion process that involves mechano-electrochemical coupling, anodic dissolution, insoluble depositions (IDs) formation, and resulted Galvanic-pitting corrosion. Based on a quantitative investigation into the effects of Cl− concentration, pH value, mechanical loading, and electric field, we reveal the autocatalytic process of pitting assisted by increasingly aggressive chemical environment and concentrated stress and study how the external electric field can arrest assisted corrosion and prolong service lifetime. The proposed model can be a useful tool for the lifetime management of metallic components serving in ocean or other more aggressive environments. | Keywords: | Galvanic-pitting Localized corrosion Mechano-electrochemical coupling Multi-Phase-Field Model |
Publisher: | Pergamon Press | Journal: | Corrosion science | ISSN: | 0010-938X | DOI: | 10.1016/j.corsci.2020.108900 | Rights: | © 2020 Elsevier Ltd. All rights reserved. © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Lin, C., & Ruan, H. (2020). Multi-phase-field modeling of localized corrosion involving galvanic pitting and mechano-electrochemical coupling. Corrosion Science, 177, 108900 is available at https://dx.doi.org/10.1016/j.corsci.2020.108900. |
| Appears in Collections: | Journal/Magazine Article |
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|---|---|---|---|---|
| Lin_Multi-Phase-Field_Modeling_Localized.pdf | Pre-Published version | 2.11 MB | Adobe PDF | View/Open |
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