Influence of ultrasound on pitting corrosion and crevice corrosion of SUS304 stainless steel in chloride sodium aqueous solution

被引：22
|
作者：
Wang, Rongguang [1 ]
机构：
[1] Hiroshima Inst Technol, Dept Mech & Syst Engn, Saeki Ku, Hiroshima 7315190, Japan
来源：
CORROSION SCIENCE | 2008年 / 50卷 / 02期
关键词：
stainless steel; polarization; pitting corrosion; crevice corrosion;
D O I：
10.1016/j.corsci.2007.11.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The change of polarization curves and surface morphologies of SUS304 stainless steel was investigated in 3.5 mass% NaCl solution with or without the application of ultrasound (US). As the result, both the pitting corrosion and the crevice corrosion were largely suppressed by the application of US. The reason is attributed to the decrease in the concentration of hydrogen and chloride ions in pits or in the crevice by removing the corrosion product and stirring the liquid there. (C) 2007 Elsevier Ltd. All rights reserved.
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页码：325 / 328
页数：4
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