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Elucidation of mechanism of corrosion inhibition by polyacrylic acid and synergistic action with iodide ions by in-situ AFM
S. A. Umoren; C. Pan; Y. Li; F. H. Wang
2014
Source PublicationJournal of Adhesion Science and Technology
ISSN0169-4243
Volume28Issue:1Pages:31-37
AbstractCorrosion inhibition mechanism of aluminium in H2SO4 by polyacrylic acid (PAA) in the absence and presence of iodide ions was investigated using in-situ atomic force microscopy (AFM). Results indicate that PAA inhibited the corrosion of aluminium by adsorption onto the aluminium surface. Inhibition efficiency of PAA was found to enhance on addition of iodide ion which could be ascribed to synergistic effect. In-situ AFM morphology of the surface film suggests that PAA in the presence of iodide ion was adsorbed on aluminium surface after taking a more ordered arrangement, thus providing a more uniform coverage at potentials below and above potential of zero charge.
description.department[umoren, s. a. ; pan, c. ; li, y. ; wang, f. h.] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. [umoren, s. a.] univ uyo, dept chem, fac sci, uyo, nigeria. ; umoren, sa (reprint author), chinese acad sci, state key lab corros & protect, inst met res, 62 wencui rd, shenyang 110016, peoples r china. ; saveumoren@uniuyo.edu.ng
KeywordAfm Polyacrylic Acid Acid Corrosion Corrosion Inhibition Aluminium Mild-steel Polyethylene-glycol Hydrochloric-acid Carbon-steel Aluminum Behavior Media Derivatives Adsorption Iron
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72359
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
S. A. Umoren,C. Pan,Y. Li,et al. Elucidation of mechanism of corrosion inhibition by polyacrylic acid and synergistic action with iodide ions by in-situ AFM[J]. Journal of Adhesion Science and Technology,2014,28(1):31-37.
APA S. A. Umoren,C. Pan,Y. Li,&F. H. Wang.(2014).Elucidation of mechanism of corrosion inhibition by polyacrylic acid and synergistic action with iodide ions by in-situ AFM.Journal of Adhesion Science and Technology,28(1),31-37.
MLA S. A. Umoren,et al."Elucidation of mechanism of corrosion inhibition by polyacrylic acid and synergistic action with iodide ions by in-situ AFM".Journal of Adhesion Science and Technology 28.1(2014):31-37.
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