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Corrosion Protection of AA2024-T3 by Cerium Malate and Cerium Malate-Doped Sol-Gel Coatings
Hu, Tian-Hui; Shi, Hong-Wei; Wei, Tao; Fan, Shi-Hua; Liu, Fu-Chun; Han, En-Hou
2019-07-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume32Issue:7Pages:913-924
AbstractCerium malate (CeMal) was tested as a corrosion inhibitor for AA2024-T3 in this work. Corrosion inhibition on bare AA2024-T3 indicated that the inhibiting effect was a result of the synergistic effect of cerium cations and maleic anions. The corrosion of AA2024-T3 was stagnated by greatly reducing the corrosion current when CeMal was present in NaCl solutions. CeMal was adsorbed on the surface of AA2024-T3 forming a protective film in the initial stage. Then, cerium cations transformed to cerium oxide/hydroxides, precipitating on the cathode sites to inhibit the further corrosion. The electrochemical impedance spectra results of the sol-gel coatings proved that CeMal was an effective corrosion inhibitor in the sol-gel coatings to provide corrosion protection for AA2024-T3.
KeywordAA2024-T3 Corrosion inhibitor Sol-gel coatings Scanning vibrating electrode technique (SVET) Electrochemical impedance spectroscopy (EIS)
Indexed BySCI
Language英语
WOS IDWOS:000470973000013
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80953
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Hu, Tian-Hui,Shi, Hong-Wei,Wei, Tao,et al. Corrosion Protection of AA2024-T3 by Cerium Malate and Cerium Malate-Doped Sol-Gel Coatings[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2019,32(7):913-924.
APA Hu, Tian-Hui,Shi, Hong-Wei,Wei, Tao,Fan, Shi-Hua,Liu, Fu-Chun,&Han, En-Hou.(2019).Corrosion Protection of AA2024-T3 by Cerium Malate and Cerium Malate-Doped Sol-Gel Coatings.ACTA METALLURGICA SINICA-ENGLISH LETTERS,32(7),913-924.
MLA Hu, Tian-Hui,et al."Corrosion Protection of AA2024-T3 by Cerium Malate and Cerium Malate-Doped Sol-Gel Coatings".ACTA METALLURGICA SINICA-ENGLISH LETTERS 32.7(2019):913-924.
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