Corrosion trend on Q450 weathering steel deposited with Na2SO4, NaCl under ultraviolet light illumination
Song, Liying1; Shi, Hao1; Han, Peng2; Ji, Xiaohong3; Ma, Fubin3
2021-10-25
发表期刊JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
ISSN1226-086X
卷号102页码:206-217
通讯作者Song, Liying(skdsly@163.com) ; Shi, Hao(shihao@sdust.edu.cn) ; Han, Peng(hanpeng972@163.com)
摘要A contrastive study about ultraviolet light (UV) illumination on Na2SO4, NaCl induced Q450 weathering steel was qualitatively and quantitatively studied. The corrosion rate was calculated from mass losses and the order was as following, coupons deposited with Na2SO4 under UV illumination (238.18 mu A.cm(-2)) > with NaCl under UV illumination (213.77 mu A.cm(-2)) > with NaCl under Dark condition (71.98 mu A.cm(-2)) > with Na2SO4 under Dark condition (43.26 mu A.cm(-2)). The influence of UV illumination on metal corrosion followed this sequence: Na2SO4 > NaCl, and which was on account of corrosion products film on metal depositing Na2SO4 with a larger carrier density on metal depositing Na2SO4 with a larger carrier density (9.32 x 10(20) cm(-3)) and stronger electric conductivity ability than NaCl (8.93 x 10(20) cm(-3)). Electrochemical impedance spectroscopy studies revealed charge transfer resistance R-ct value, suggesting that smaller resistances gained on the rusted samples due to UV illumination, and an accelerated corrosion effect on rusted sample was also obtained under UV illumination. The improved corrosion performance by UV illumination was due to corrosion products of semiconductor property and photovoltaic effect. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
关键词Atmospheric corrosion Rust Corrosive salts UV illumination
DOI10.1016/j.jiec.2021.07.013
收录类别SCI
语种英语
资助项目Natural Science Foundation of China[51601188] ; Nantong Science and Technology Project - Basic Science Research[JC2020089]
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000685358600001
出版者ELSEVIER SCIENCE INC
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/176041
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Song, Liying; Shi, Hao; Han, Peng
作者单位1.Shandong Univ Sci & Technol, Qingdao 266590, Peoples R China
2.China Univ Min & Technol Beijing, Dept Mat Sci & Engn, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
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Song, Liying,Shi, Hao,Han, Peng,et al. Corrosion trend on Q450 weathering steel deposited with Na2SO4, NaCl under ultraviolet light illumination[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,2021,102:206-217.
APA Song, Liying,Shi, Hao,Han, Peng,Ji, Xiaohong,&Ma, Fubin.(2021).Corrosion trend on Q450 weathering steel deposited with Na2SO4, NaCl under ultraviolet light illumination.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,102,206-217.
MLA Song, Liying,et al."Corrosion trend on Q450 weathering steel deposited with Na2SO4, NaCl under ultraviolet light illumination".JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 102(2021):206-217.
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