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Corrosion Behavior of Low-Carbon Steel and Weathering Steel in a Coastal Zone of the Spratly Islands: A Tropical Marine Atmosphere
Liu, Yuwei1,2; Zhao, Hongtao1; Wang, Zhenyao1; Wei, Yinghua1; Pan, Chen1; Lv, Chenxi1
Corresponding AuthorWang, Zhenyao(zhywang@imr.ac.cn)
2020-07-01
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
ISSN1452-3981
Volume15Issue:7Pages:6464-6477
AbstractFor the first time, the initial atmospheric corrosion behavior of low-carbon steel and weathering steel, exposed in a tropical marine zone of the Spratly Islands, has been examined over one year. The results indicated that the corrosion products were mainly composed of beta-FeOOH, alpha-FeOOH, gamma-FeOOH, and Fe3O4. The transformation between each phase and the cracking, linearly arrayed voids distributed in the rust layer together promoted the corrosion process. The kinetics of both steels exhibited an accelerating process following the exponential function D = At-n. In terms of the corrosion rate, r(corr), for the first year of exposure to different corrosivity categories defined in ISO 9223, that of the low-carbon steel Q235 exposed in the Spratly Islands was 237.5 mu m/a; therefore, the corrosivity category of this marine atmosphere was CX.
KeywordLow-carbon steel Q235 Weathering steel Q450NQR1 Corrosion depth Spratly Islands Atmospheric corrosion
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
DOI10.20964/2020.07.48
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA13040502] ; National Natural Science Foundation of China[51671197] ; National Natural Science Foundation of China[51601199]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000551732800040
PublisherESG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140277
Collection中国科学院金属研究所
Corresponding AuthorWang, Zhenyao
Affiliation1.Chinese Acad Sci, Inst Met Res, Wencui Rd 62, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Wencui Rd 62, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yuwei,Zhao, Hongtao,Wang, Zhenyao,et al. Corrosion Behavior of Low-Carbon Steel and Weathering Steel in a Coastal Zone of the Spratly Islands: A Tropical Marine Atmosphere[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2020,15(7):6464-6477.
APA Liu, Yuwei,Zhao, Hongtao,Wang, Zhenyao,Wei, Yinghua,Pan, Chen,&Lv, Chenxi.(2020).Corrosion Behavior of Low-Carbon Steel and Weathering Steel in a Coastal Zone of the Spratly Islands: A Tropical Marine Atmosphere.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,15(7),6464-6477.
MLA Liu, Yuwei,et al."Corrosion Behavior of Low-Carbon Steel and Weathering Steel in a Coastal Zone of the Spratly Islands: A Tropical Marine Atmosphere".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 15.7(2020):6464-6477.
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