Effect of different anions on pitting corrosion behaviour of Monel-400 in sea water

被引：0
|
作者：
Gouda, VK [1 ]
Khedr, AA [1 ]
Fathi, AM [1 ]
机构：
[1] Natl Res Ctr, Dept Phys Chem, Cairo, Egypt
来源：
BULLETIN OF ELECTROCHEMISTRY | 2000年 / 16卷 / 07期
关键词：
fitting corrosion; Monel and Anionic effect;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The effect of different anions such as sulphides, sulphates, thiosulphates and hypochlorite ions on the pitting behaviour of Monel-400 alloy in 3.5% NaCl solution is investigated. The results indicate that E-pit decreases with increasing concentrations of dissolved sulphide and thiosulphate due to loss of alloy passivity, but addition of different concentrations of sulphate, sulphite and hypochlorite ions move E-pit to more noble values. The alloy samples were examined. by scanning electron microscopic (SEM) measurements to identify the morphology of the sample surfaces.
引用
收藏
页码：289 / 295
页数：7
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