Corrosion inhibition of galvanized steel by cobalt(II) nitrate

被引：0

作者：

Thai T.T. ^{[1
]}

Trinh A.T. ^{[1
,2
]}

Tam Pham T.T. ^{[3
]}

Nguyen X.H. ^{[3
]}

Pham G.V. ^{[1
]}

Hang To T.X. ^{[1
,2
]}

机构：

[1] Institute for Tropical Technology, Vietnam Academy of Science and Technology, A13 Building, 18 Hoang Quoc Viet, Cau Giay, Hanoi

[2] Graduate University of Science and Technology, Vietnam Academy of Science and Technoloy, 18 Hoang Quoc Viet, Cau Giay, Hanoi

[3] Faculty of Chemistry, VNU University of Science, Vietnam National University, 19 Le Thanh Tong, Hanoi

来源：

e-Journal of Surface Science and Nanotechnology | 2021年 / 19卷

关键词：

Cobalt; EIS; Galvanized steel; Inhibitor; Polarization;

D O I：

10.1380/EJSSNT.2021.48

中图分类号：

学科分类号：

摘要：

This study presents the inhibitive property of Co(II) ions in the corrosion protection of commercial hot-dip galvanized steel in aggressive solution. The polarization measurements reveal the action of Co(II) cations in the anodic branch with the inhibitive efficiency determined at 96% for 0.01 M of Co(II). The corrosion resistance was reinforced by a passive layer formed at Zn surface, that was assessed by the electrochemical measurements. The existence and the crystal structure of this protective layer was analyzed by field-emission scanning electron microscopy observations. X-ray diffraction analysis was confirmed the formation of zinc cobalt hydroxide and cobalt zinc oxide on the Zn surface that attributed to the inhibitive action of the Co cations. © 2021 The Japan Society of Vacuum and Surface Science. All rights reserved.

引用

页码：48 / 54

页数：6

共 26 条

[1]

Mouanga M., Bercot P., Rauch J. Y., Corros. Sci, 52, (2010)

[2]

Zandi Zand R., Verbeken K., Flexer V., Adriaens A., Mater. Chem. Phys, 145, (2014)

[3]

Leidheiser H., Suzuki I., J. Electrochem. Soc, 128, (1981)

[4]

Azmat N. S., Ralston K. D., Muddle B. C., Cole I. S., Corros. Sci, 53, (2011)

[5]

Panagopoulos C. N., Georgiou E. P., Markopoulos C., Corros. Sci, 70, (2013)

[6]

Prosek T., Thierry D., Taxen C., Maixner J., Corros. Sci, 49, (2007)

[7]

Aramaki K., Corros. Sci, 43, (2001)

[8]

Kartsonakis I. A., Stanciu S. G., Matei A. A., Hristu R., Karantonis A., Charitidis C. A., Corros. Sci, 112, (2016)

[9]

Aramaki K., Corros. Sci, 43, (2001)

[10]

Aramaki K., Corros. Sci, 44, (2002)

← 1 2 3 →