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Simulating corrosion of Al2CuMg phase by measuring ionic currents, chloride concentration and pH
H. W. Shi; Z. H. Tian; T. H. Hu; F. C. Liu; E. H. Han; M. Taryba; S. V. Lamaka
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume88Pages:178-186
AbstractThe coupling of pure Al, Cu and Mg wires and the coupling of Al2CuMg intermetallic rod and Al wire were used to study the corrosion process of Al2CuMg phase particles in 2024-T3 aluminium alloy, by means of scanning vibrating electrode technique (SVET) and scanning ion-selective electrode technique (SIET). The results show the preferential dissolution of Mg in the coupling of Al, Cu and Mg. Al2CuMg was found to show self-dissolution when coupled with Al, rather than anodic dissolution. According to the results, a mechanism of early corrosion of S phase in AA2024-T3 is proposed. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[shi, hongwei ; tian, zhenhuang ; hu, tianhui ; liu, fuchun ; han, en-hou] chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china. [tian, zhenhuang ; hu, tianhui] northeastern univ, dept chem, shenyang 110004, peoples r china. [taryba, m. ; lamaka, s. v.] univ lisbon, inst super tecn, icems, p-1049001 lisbon, portugal. ; shi, hw (reprint author), chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china. ; hwshi@imr.ac.cn
KeywordIntermetallics Aluminium Alloy Sem Alkaline Corrosion Aluminum-alloy 2024-t3 Atomic-force Microscopy Localized Corrosion Pitting Corrosion Electrochemical Characteristics Intermetallic Phases Pit Initiation Aa 2024-t3 S-phase Aa2024
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73367
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. W. Shi,Z. H. Tian,T. H. Hu,et al. Simulating corrosion of Al2CuMg phase by measuring ionic currents, chloride concentration and pH[J]. Corrosion Science,2014,88:178-186.
APA H. W. Shi.,Z. H. Tian.,T. H. Hu.,F. C. Liu.,E. H. Han.,...&S. V. Lamaka.(2014).Simulating corrosion of Al2CuMg phase by measuring ionic currents, chloride concentration and pH.Corrosion Science,88,178-186.
MLA H. W. Shi,et al."Simulating corrosion of Al2CuMg phase by measuring ionic currents, chloride concentration and pH".Corrosion Science 88(2014):178-186.
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