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

页码：289 / 295

页数：7

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