电邮这篇文章 Corrosion of AD31 (AA6063) Alloy in Chloride-Containing Solutions
- 作者: Kharitonov D.S.1,2, Dobryden’ I.B.2, Sefer B.3, Zharskii I.M.1, Claesson P.M.2,4, Kurilo I.I.5
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隶属关系:
- Department of Chemistry, Technology of Electrochemical Production and Electronic Engineering Materials
- Surface and Corrosion Science Division
- Division of Materials Science
- Division of Chemistry, Materials, and Surfaces
- Department of Physical, Colloid and Analytical Chemistry
- 期: 卷 54, 编号 2 (2018)
- 页面: 291-300
- 栏目: Physicochemical Problems of Materials Protection
- URL: https://journals.rcsi.science/2070-2051/article/view/203917
- DOI: https://doi.org/10.1134/S2070205118020077
- ID: 203917
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详细
Corrosion of AD31 (AA6063) alloy in neutral 0.05 M NaCl solutions is investigated via scanningprobe microscopy, linear-sweep voltammetry, and electrochemical-impedance spectroscopy. Al−Fe−Si−Mg intermetallic particles are determined to prevail in the structure of alloy and act as local cathodes. Intermodulation electrostatic-force-microscopy imaging shows that their Volta potential differs by 570 mV from that of the host aluminum matrix, making the alloy prone to localized corrosion. We show that the corrosion of alloy in the studied electrolyte mainly develops locally and results in pitting, with charge transfer being the limiting stage of the process. A mechanism of corrosion of the AD31 (AA6063) alloy in neutral chloride-containing solutions is proposed.
作者简介
D. Kharitonov
Department of Chemistry, Technology of Electrochemical Production and Electronic Engineering Materials; Surface and Corrosion Science Division
编辑信件的主要联系方式.
Email: kharitonov@belstu.by
白俄罗斯, Minsk, 220006; Drottning Kristinas väg 51, Stockholm, SE-100 44
I. Dobryden’
Surface and Corrosion Science Division
Email: kharitonov@belstu.by
瑞典, Drottning Kristinas väg 51, Stockholm, SE-100 44
B. Sefer
Division of Materials Science
Email: kharitonov@belstu.by
瑞典, Luleå, SE-97187
I. Zharskii
Department of Chemistry, Technology of Electrochemical Production and Electronic Engineering Materials
Email: kharitonov@belstu.by
白俄罗斯, Minsk, 220006
P. Claesson
Surface and Corrosion Science Division; Division of Chemistry, Materials, and Surfaces
Email: kharitonov@belstu.by
瑞典, Drottning Kristinas väg 51, Stockholm, SE-100 44; Stockholm, SE-114 86
I. Kurilo
Department of Physical, Colloid and Analytical Chemistry
Email: kharitonov@belstu.by
白俄罗斯, Minsk, 220006
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