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Electrochemical impedance spectra for the corrosion of two-phase Cu-15Al alloy in eutectic (Li, K)(2)CO3 at 650 degrees C in air
Zeng, CL; Guo, PY; Wu, WT
Corresponding AuthorZeng, CL(clzeng@imr.ac.cn)
2004-04-15
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume49Issue:9-10Pages:1445-1450
AbstractThe electrochemical impedance technique was employed to study the corrosion of two-phase Cu-15Al alloy in molten (0.62Li, 0.38K)(2)CO3 at 650degreesC in air. The results indicate that the corrosion of the alloy goes through two stages. In initial stage, the corrosion of the alloy shows typical features of a diffusion-controlled reaction. With extended immersion, the Nyquist plots are composed of a large capacitive loop at low frequency, a line at intermediate frequency and a small semicircle at high frequency, which is related to the formation of a protective Al2O3 scale. Two impedance models were proposed to describe the corrosion of the alloy. (C) 2003 Elsevier Ltd. All rights reserved.
KeywordCu-15Al alloy molten (0.62Li, 0.38K)(2)CO3 electrochemical impedance spectrum corrosion molten carbonate fuel cell
DOI10.1016/j.electacta.2003.10.031
Indexed BySCI
Language英语
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000189226300010
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81286
Corresponding AuthorZeng, CL
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Zeng, CL,Guo, PY,Wu, WT. Electrochemical impedance spectra for the corrosion of two-phase Cu-15Al alloy in eutectic (Li, K)(2)CO3 at 650 degrees C in air[J]. ELECTROCHIMICA ACTA,2004,49(9-10):1445-1450.
APA Zeng, CL,Guo, PY,&Wu, WT.(2004).Electrochemical impedance spectra for the corrosion of two-phase Cu-15Al alloy in eutectic (Li, K)(2)CO3 at 650 degrees C in air.ELECTROCHIMICA ACTA,49(9-10),1445-1450.
MLA Zeng, CL,et al."Electrochemical impedance spectra for the corrosion of two-phase Cu-15Al alloy in eutectic (Li, K)(2)CO3 at 650 degrees C in air".ELECTROCHIMICA ACTA 49.9-10(2004):1445-1450.
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