Synergy of Cu and Sb to enhance the resistance of 3%Ni weathering steel to marine atmospheric corrosion

被引：150
作者：
Wu, Wei [1 ]
Dai, Zeyu [1 ,3 ]
Liu, Zhiyong [1 ]
Liu, Chao [1 ]
Li, Xiaogang [1 ,2 ]
机构：
[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Key Lab Corros & Protect, Minist Educ, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Natl Mat Corros & Protect Data Ctr, Beijing 100083, Peoples R China
[3] Jiangxi Copper Technol Res Acad Co Ltd, Nanchang 330000, Jiangxi, Peoples R China
来源：
CORROSION SCIENCE | 2021年 / 183卷
基金：
中国国家自然科学基金;
关键词：
3%Ni steel; Corrosion resistance; Cu-Sb effect; Corrosion product film; Marine atmosphere; LOW-ALLOY STEELS; ELECTROCHEMICAL-BEHAVIOR; PROTECTIVE ABILITY; ANTIMONY; COPPER; RUST; CHLORIDE; NI; INDUSTRIAL; FILMS;
D O I：
10.1016/j.corsci.2021.109353
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Various contents of Cu and Sb elements were incorporated into 3%Ni steel to enhance its corrosion resistance in a simulated tropical marine atmosphere of high salinity. The electrochemical process and the corrosion product film (CPF) properties were analyzed to evaluate the role of Cu and Sb and their synergistic effect. The results showed that there was a synergy between 0.5 % Cu and 0.2 % Sb, which improved the corrosion resistance of 3% Ni steel. This synergy produced a 45-?m-thick inner layer enriched with Cu, Sb and Ni, optimizing the properties of CPF significantly in terms of compactness, phase composition, elemental distribution and electrochemical activity.
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页数：13
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