Corrosion behavior of superhydrophobic aluminum alloy in concentrated potassium halide solutions: When the specific anion effect is manifested

被引：68
作者：
Boinovich, L. B. [1 ]
Emelyanenko, A. M. [1 ]
Modestov, A. D. [1 ]
Domantovsky, A. G. [1 ]
Shiryaev, A. A. [1 ]
Emelyanenko, K. A. [1 ]
Dvoretskaya, O. V. [1 ]
Ganne, A. A. [1 ]
机构：
[1] AN Frumkin Inst Phys Chem & Electrochem, Leninsky Prospect 31 Bld 4, Moscow 119071, Russia
来源：
CORROSION SCIENCE | 2016年 / 112卷
基金：
俄罗斯科学基金会;
关键词：
aluminium; EIS; Pitting corrosion; Oxidation; SURFACE; RESISTANCE; COATINGS; COMBUSTION; COPPER; LAYERS; COMBINATION; FABRICATION; PRINCIPLES; PASSIVITY;
D O I：
10.1016/j.corsci.2016.08.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The comparative analysis of evolution of electrochemical parameters and wettability for two types of superhydrophobic coatings (SHCs) at prolonged contact with 3 M potassium halide solutions revealed various aspects of a complex corrosion protection provided by SHCs on aluminum alloy. The difference in the pitting processes of Al alloy with SHCs in concentrated potassium halide solutions becomes essential after prolonged contact with the electrolyte. Long-term contact of SHCs of both types with halide solutions shows that the corrosion currents and the rate of hydrolysis of hydrophobic molecules follow the Hofmeister series l(-) < Br- < CI-. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：517 / 527
页数：11
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