GYIG OpenIR  > 地球内部物质高温高压实验室
Electrochemical Corrosion Behavior of TC11 Alloy in Sulfate Solution at High Temperature and High Pressure
Lei Zha;   Heping Li;  Ning Wang;  Sen Lin;  Liping Xu
2017
Source PublicationInternational Journal of Electrochem Science
Volume12Issue:6Pages:5704-5722
Abstract

TC11 alloy is a potential alloy for use in high temperature aggressive water environments. The electrochemistry and corrosion behavior of TC11 alloy is investigated in sodium sulfate solution at high temperature and high pressure using various in situ electrochemical techniques, i.e., open circuit potential (OCP), potentiodynamic polarization (PDP), and electrochemical impedance spectroscopy (EIS) measurements. The effect of sodium sulfate concentration, temperature, and pressure on the electrochemical corrosion behavior of the alloy has been explored. The results indicate that the increase of either concentration or temperature and pressure shift the value of the corrosion potential (Ecorr) for the alloy toward the negative direction, while increasing the values of corrosion current density (i(corr)) and corrosion rate (R-corr). The values of oxide film resistance (R-f) and charge transfer resistance (R-ct) confirm these results. The EIS and polarization results are in good agreement with each other.

 

KeywordTitanium Alloy Eis Corrosion High Temperature High Pressure
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8076
Collection地球内部物质高温高压实验室
Affiliation1.Key Laboratory of High-temperature and High-pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, P. R. China
2.University of Chinese Academy of Sciences, Beijing 100049, P. R. China
Recommended Citation
GB/T 7714
Lei Zha; Heping Li;Ning Wang;Sen Lin;Liping Xu. Electrochemical Corrosion Behavior of TC11 Alloy in Sulfate Solution at High Temperature and High Pressure[J]. International Journal of Electrochem Science,2017,12(6):5704-5722.
APA Lei Zha; Heping Li;Ning Wang;Sen Lin;Liping Xu.(2017).Electrochemical Corrosion Behavior of TC11 Alloy in Sulfate Solution at High Temperature and High Pressure.International Journal of Electrochem Science,12(6),5704-5722.
MLA Lei Zha; Heping Li;Ning Wang;Sen Lin;Liping Xu."Electrochemical Corrosion Behavior of TC11 Alloy in Sulfate Solution at High Temperature and High Pressure".International Journal of Electrochem Science 12.6(2017):5704-5722.
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