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Galvanic corrosion behavior of Cu-Fe-Zn trimetallic couple in acidic media

文献类型：期刊论文

作者Chen, Lei1,5; Daniel, Enobong Felix1,5; Wang, Changgang1,5; Liu, Chen1,5; Li, Chao1,5; Ma, Chaojiang1,5; Wu, Liping1,5; Bian, Guixue4; Chen, Shaofeng3; Ma, Rongyao1,5
刊名ELECTROCHIMICA ACTA
出版日期2023-09-10
卷号462页码:12
关键词Trimetallic couple Galvanic corrosion Area ratio Finite element modeling
ISSN号0013-4686
DOI10.1016/j.electacta.2023.142744
通讯作者Wang, Changgang(cgwang@imr.ac.cn) ; Ma, Rongyao(ryma14b@imr.ac.cn) ; Dong, Junhua(jhdong@imr.ac.cn)
英文摘要The galvanic corrosion behavior of Cu-Fe-Zn trimetallic couple and its factors were investigated in acidic chloride solution using electrochemical and numerical methods. Results demonstrated that the potential difference of galvanic couple reflects only the thermodynamic tendency of galvanic corrosion, while the cathodic kinetic process controls the galvanic corrosion rate. It is found that the galvanic effect between Cu and Zn is much less than that between Zn and Fe when ohmically coupled. This is opposite to the theory of galvanic series. Despite possessing the maximum corrosion potential difference as the driving force, the galvanic current of Zn-Cu couple is less than that of Zn-Fe couple with equal area ratio. This drives the intermediate metal (Fe) to act as the main cathode in Cu-Fe-Zn trimetallic couple. Furthermore, it is found that Fe can be transformed into the anode due to the area change of Cu. The electrochemical experimental results are in good agreement with the FEM, suggesting that this method can accurately predict the galvanic corrosion behavior of multielectrode systems.
资助项目Youth Innovation Pro-motion Association of the Chinese Academy of Sciences[2019193] ; Youth Innovation Pro-motion Association of the Chinese Academy of Sciences[KGFZD-135-19-02] ; major R amp; D project of Liaoning Province[2020JH1/10100001] ; National Natural Science Foundation of China[51801219] ; National Key Research Development Pro-gram of China[2017YFB0702302] ; State Key Laboratory of Metal Material for Marine Equipment and Application[SKLMEA-K201907]
WOS研究方向Electrochemistry
语种英语
WOS记录号WOS:001032490200001
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Youth Innovation Pro-motion Association of the Chinese Academy of Sciences ; major R amp; D project of Liaoning Province ; National Natural Science Foundation of China ; National Key Research Development Pro-gram of China ; State Key Laboratory of Metal Material for Marine Equipment and Application
源URL[http://ir.imr.ac.cn/handle/321006/178615]  
专题金属研究所_中国科学院金属研究所
通讯作者Wang, Changgang; Ma, Rongyao; Dong, Junhua
作者单位1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.State Key Lab Met Mat Marine Equipment & Applicat, Anshan 114009, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
4.Naval Aviat Univ, Qingdao Campus, Qingdao 266041, Peoples R China
5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Lei,Daniel, Enobong Felix,Wang, Changgang,et al. Galvanic corrosion behavior of Cu-Fe-Zn trimetallic couple in acidic media[J]. ELECTROCHIMICA ACTA,2023,462:12.
APA Chen, Lei.,Daniel, Enobong Felix.,Wang, Changgang.,Liu, Chen.,Li, Chao.,...&Chen, Yiqing.(2023).Galvanic corrosion behavior of Cu-Fe-Zn trimetallic couple in acidic media.ELECTROCHIMICA ACTA,462,12.
MLA Chen, Lei,et al."Galvanic corrosion behavior of Cu-Fe-Zn trimetallic couple in acidic media".ELECTROCHIMICA ACTA 462(2023):12.

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来源：金属研究所

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