Surface Characterization of Mild Steel During Atmospheric Corrosion After Being Treated by Sodium Dihydrogen Orthophosphate

被引：0

作者：

Saricimen, Huseyin ^{[1
,5
]}

Kahraman, Ramazan ^{[2
]}

Malaibari, Zuhair ^{[3
]}

Rauf, Md. Abdur ^{[4
]}

机构：

[1] King Fahd Univ Petr & Minerals, Res Inst Engn Dept, Dhahran 31261, Saudi Arabia

[2] Qatar Univ, Dept Chem Engn, POB 2713, Doha, Qatar

[3] King Fahd Univ Petr & Minerals, Dept Chem Engn, Dhahran 31261, Saudi Arabia

[4] UAE Univ, Dept Chem & Petr Engn, Al Ain 15551, U Arab Emirates

[5] Yalova Univ, Dept Ind Engn, Cinarcik Yolu Uzeri, TR-77200 Yalova, Turkey

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2018年 / 54卷 / 05期

关键词：

corrosion inhibitors; steel; atmospheric corrosion; sodium dihydrogen orthophosphate; SEM; EDS; LOW-CARBON STEEL; SULFURIC-ACID; ASCORBIC-ACID; SUCCINIC ACID; HCL SOLUTION; WEIGHT-LOSS; INHIBITOR; MEDIA; EFFICIENCY; MECHANISM;

D O I：

10.1134/S2070205118050209

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The objective of this study was to characterize the surfaces of the steel products produced locally during their exposure to the industrial and marine atmosphere of the Arabian Gulf region after being treated by sodium dihydrogen orthophosphate. Corrosion rates were determined by weight loss measurements. Sodium dihydrogen orthophosphate performed well throughout the test period. At the end of the exposure duration of 180 days, the corrosion rates of 10 mM sodium dihydrogen orthophosphate treated specimens were 71% of the corrosion rates of the untreated specimens. At certain periods of atmospheric exposure, the (disc shape) specimens were retrieved and studied by SEM and EDS surface analysis techniques. Analysis of the specimens by SEM and EDS at different exposure periods showed that sodium dihydrogen orthophosphate treated surfaces had much lower number of corrosion blisters than those on untreated surfaces at the same period of exposure. They were also smaller in size.

引用

页码：926 / 933

页数：8