The role of UV illumination on the initial atmospheric corrosion of 09CuPCrNi weathering steel in the presence of NaCl particles

被引：58
作者：
Song, Liying [1 ,2 ]
Ma, Xiumin [1 ]
Chen, Zhuoyuan [1 ]
Hou, Baorong [1 ]
机构：
[1] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
CORROSION SCIENCE | 2014年 / 87卷
基金：
中国国家自然科学基金;
关键词：
EIS; IR spectroscopy; Raman spectroscopy; Atmospheric corrosion; Rust; ELECTRONIC-STRUCTURE; RELATIVE-HUMIDITY; METAL-SURFACES; PASSIVE FILM; CARBON-STEEL; OZONE; RUST; ZINC; SPECTROSCOPY; MECHANISM;
D O I：
10.1016/j.corsci.2014.07.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effect of UV illumination on the NaCl-induced atmospheric corrosion of 09CuPCrNi weathering steel (WS) was qualitatively and quantitatively studied in this work. UV illumination strongly affects the NaCl-induced atmospheric corrosion process of 09CuPCrNi WS mainly through the photovoltaic effect of the corrosion products with semiconductor properties. The photogenerated electrons and holes can directly participate in the cathodic and anodic reactions and thus directly affect the atmospheric corrosion rate of 09CuPCrNi WS. Meanwhile, the photogenerated electrons and holes can directly involve in the corrosion product formation process and therefore affect the performance of the corrosion product layer formed under UV illumination. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：427 / 437
页数：11
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