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Inhibition of galvanic corrosion in Al/Cu coupling model by synergistic combination of 3-Amino-1,2,4-triazole-5-thiol and cerium chloride
Udoh, Inime Ime1,2; Shi, Hongwei1; Soleymanibrojeni, Mohammad1,3; Liu, Fuchun1; Han, Hou1
Corresponding AuthorShi, Hongwei(hwshi@imr.ac.cn)
2020-05-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume44Pages:102-115
AbstractA synergistic inhibition study was carried out on an aluminium/copper galvanic coupling model in neutral aerated NaCl solution using scanning vibrating electrode technique (SVET). The approach allows the simulation of the local micro-galvanic cells of AA2024-T3 obtained from the potential difference between the intermetallic particles (IMPs) and the aluminium matrix. The inhibition effect of CeCl3 and 3-Amino-1,2,4-triazole-5-thiol (ATAT) was demonstrated by the reduction in the galvanic current density over Al and Cu surfaces. An improved inhibition from positive synergistic effect was revealed by the combination of the two inhibitors after 24 h of immersion, with the best inhibition recorded for Ce(1.5)ATAT(3.5). Scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and time of flight secondary ion mass spectrometry (ToF-SIMS) were used to characterize the Ce- and ATAT-based complex film formed and to illustrate the mechanism of inhibition. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAluminium alloy Galvanic corrosion Neutral inhibition Scanning vibrating electrode technique (SVET) X-ray photoelectron spectroscopy (XPS) Time of flight secondary ion mass spectrometry (ToF-SIMS)
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jmst.2020.01.015
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51571202] ; National Natural Science Foundation of China[51001109]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000522863000012
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137784
Collection中国科学院金属研究所
Corresponding AuthorShi, Hongwei
Affiliation1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Udoh, Inime Ime,Shi, Hongwei,Soleymanibrojeni, Mohammad,et al. Inhibition of galvanic corrosion in Al/Cu coupling model by synergistic combination of 3-Amino-1,2,4-triazole-5-thiol and cerium chloride[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,44:102-115.
APA Udoh, Inime Ime,Shi, Hongwei,Soleymanibrojeni, Mohammad,Liu, Fuchun,&Han, Hou.(2020).Inhibition of galvanic corrosion in Al/Cu coupling model by synergistic combination of 3-Amino-1,2,4-triazole-5-thiol and cerium chloride.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,44,102-115.
MLA Udoh, Inime Ime,et al."Inhibition of galvanic corrosion in Al/Cu coupling model by synergistic combination of 3-Amino-1,2,4-triazole-5-thiol and cerium chloride".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 44(2020):102-115.
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