中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Temperature induced cathode-anode reversal behavior of TA2-304 L galvanic couple in simulated spent fuel reprocessing media

文献类型:期刊论文

作者Tan, K. D.1,2; Liu, Z.1,2; Zhang, L. M.2,3; Liu, C. C.2; Ma, A. L.2; Zheng, Y. G.2
刊名ELECTROCHIMICA ACTA
出版日期2023-11-10
卷号468页码:13
关键词Galvanic corrosion Spent fuel reprocessing Electrochemical behavior Passive film characteristics Critical temperature
ISSN号0013-4686
DOI10.1016/j.electacta.2023.143168
通讯作者Zhang, L. M.(lmzhang14s@imr.ac.cn) ; Zheng, Y. G.(ygzheng@imr.ac.cn)
英文摘要Galvanic corrosion is prevalent throughout various stages of spent fuel reprocessing, and plays a crucial role in the corrosion failure of equipment materials due to its pronounced local corrosive effects. Nevertheless, there is a scarcity of systematic investigations regarding the impact of temperature on the corrosion mechanism of galvanic couples in simulated spent fuel reprocessing media. This study aims to explore the electrochemical behavior and passive film characteristics of TA2-304 L galvanic couple immersed in nitric acid solutions at different temperatures. Relevant results indicated that temperature significantly affected the galvanic corrosion behavior of TA2-304 L couple in nitric acid. The galvanic couple demonstrated a notable reversal in cathodic and anodic polarity with the rising temperature, which was closely related to the changed corrosion mechanism of 304 L SS from superior passivation performance to severe intergranular corrosion. Meanwhile, a critical temperature phenomenon was observed for TA2, below which there exhibited a monotonically decreased corrosion resistance with the increase in temperature. However, an improved corrosion resistance was found as the temperature rose to 120 degrees C, which could be associated with the decreased oxidative properties of nitric acid because of the variation in electrochemical/chemical reactions. Additionally, the relationship between corrosion rate and temperature of both 304 L SS and TA2 was created, and the activation energy was calculated to stress the influence of temperature on the corrosion of both materials. Eventually, the galvanic mechanism of TA2-304 L couple with temperature in nitric acid was proposed.
资助项目National Natural Science Foundation of China[52101105] ; National Natural Science Foundation of China[52373321] ; IMR Innovation Fund[2023-PY03] ; LingChuang Research Project of China National Nuclear Corporation[CNNC-LCKY-202274]
WOS研究方向Electrochemistry
语种英语
WOS记录号WOS:001080852700001
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; IMR Innovation Fund ; LingChuang Research Project of China National Nuclear Corporation
源URL[http://ir.imr.ac.cn/handle/321006/179439]  
专题金属研究所_中国科学院金属研究所
通讯作者Zhang, L. M.; Zheng, Y. G.
作者单位1.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, CAS Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Peoples R China
3.Ecole Natl Super Chim Paris, Chim ParisTech, 11 Rue Pierre & Marie Curie, F-75005 Paris, France
推荐引用方式
GB/T 7714
Tan, K. D.,Liu, Z.,Zhang, L. M.,et al. Temperature induced cathode-anode reversal behavior of TA2-304 L galvanic couple in simulated spent fuel reprocessing media[J]. ELECTROCHIMICA ACTA,2023,468:13.
APA Tan, K. D.,Liu, Z.,Zhang, L. M.,Liu, C. C.,Ma, A. L.,&Zheng, Y. G..(2023).Temperature induced cathode-anode reversal behavior of TA2-304 L galvanic couple in simulated spent fuel reprocessing media.ELECTROCHIMICA ACTA,468,13.
MLA Tan, K. D.,et al."Temperature induced cathode-anode reversal behavior of TA2-304 L galvanic couple in simulated spent fuel reprocessing media".ELECTROCHIMICA ACTA 468(2023):13.

入库方式: OAI收割

来源:金属研究所

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