Effect of ZnO as corrosion product on corrosion behavior of zinc-iron corrosion protection systems

被引：20

作者：

Feng, Yixuan ^{[1
,2
]}

Wang, Lida ^{[1
,2
]}

Yang, Zhengqing ^{[1
,2
]}

Ma, Qian ^{[1
,2
]}

He, Dandan ^{[1
,2
]}

Xu, Kaixin ^{[1
,2
]}

Zhang, Han ^{[1
,2
]}

Zhang, Piji ^{[1
,2
]}

Sun, Wen ^{[1
,2
]}

Liu, Guichang ^{[1
,2
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R China

[2] Dalian Inst Technol Xinjiang Res Inst Co Ltd, 258 Gaoxin St, Urumqi 830000, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 227卷

基金：

中国国家自然科学基金;

关键词：

STEEL; SEMICONDUCTOR; METALS;

D O I：

10.1016/j.corsci.2023.111802

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnO is a common corrosion product of Zn that may affect the corrosion behavior of Zn/CS in zinc-iron corrosion protection systems. This work is to elucidate the microscopic mechanisms underlying the corrosion promoting effects of ZnO on Zn /CS based on density functional theory. The charge conduction behavior between ZnO and metal contact interface is described. Namely, electrons can be continuously gained, rapidly consumed and conducted to support the cathodic reaction during corrosion, due to the oxygen reduction reactivity of ZnO. The results are conducive to enriching the theory of Zn used as sacrificial anode for corrosion protection.

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页数：13

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