Study on corrosion behavior and mechanism of AISI 4135 steel in marine environments based on field exposure experiment
Xu, Yong1,2,3,4; Huang, Yanliang1,2,4; Cai, Fanfan1,2,3,4; Lu, Dongzhu1,2,4; Wang, Xiutong1,2,4
2022-07-15
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号830页码:17
通讯作者Huang, Yanliang(hyl@qdio.ac.cn) ; Lu, Dongzhu(ldz@qdio.ac.cn)
摘要The application of high-strength steels in marine engineering is gaining importance because of their high performance and ability to help save resources. However, detailed and systematic information about the corrosion behavior of high-strength steels in different marine corrosion zones is still limited. This study aimed to investigate and compare the corrosion behavior of AISI 4135 high-strength steel in marine atmospheric, splash, tidal, and immersion zones, focusing on rust layer characteristics, corrosion form and electrochemical corrosion behavior. Corrosion exposure experiments were performed in a specific sea area, and the recovered steel samples were characterized by Raman spectroscopy, confocal laser scanning microscopy, nitrogen adsorption analysis, etc. Results showed that the rust layer formed on the surface of the steel in all corrosion zones had component delamination. The steel samples in the atmospheric, splash, and tidal zones were characterized by pitting corrosion, where the average depths of the corrosion pits were 56.1 +/- 4.7 mu m, 199.5 +/- 12.6 mu m, 108.1 +/- 11.0 mu m, respectively, whereas those in the immersion zone were characterized by general corrosion. Meanwhile, electrochemical tests were performed on the electrode samples during exposure. Results showed that the corrosion of the steel progressed from slow to fast in the atmospheric, splash, and tidal zones, whereas it was relatively steady in the immersion zone. Differentiated models of the corrosion evolution of steel under wet-dry cycle and immersion conditions were presented. This discrepancy is related to the varying degrees of accumulation of ionic corrosion products at the metal/oxide interface, which are determined by the mean pore access diameter of the rust layer and the corrosion environment. This study is highly significant for the design of marine engineering considering the safety applications of high-strength steel structures in harsh marine environments.
关键词Marine environments Corrosion Field exposure experiment Steel
DOI10.1016/j.scitotenv.2022.154864
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41976033]
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000804462900007
出版者ELSEVIER
引用统计
被引频次:35[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/337002/179480
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Huang, Yanliang; Lu, Dongzhu
作者单位1.Chinese Acad Sci, CAS Key Lab Marine Environm Corros & Biofouling, Inst Oceanol, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Xu, Yong,Huang, Yanliang,Cai, Fanfan,et al. Study on corrosion behavior and mechanism of AISI 4135 steel in marine environments based on field exposure experiment[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,830:17.
APA Xu, Yong,Huang, Yanliang,Cai, Fanfan,Lu, Dongzhu,&Wang, Xiutong.(2022).Study on corrosion behavior and mechanism of AISI 4135 steel in marine environments based on field exposure experiment.SCIENCE OF THE TOTAL ENVIRONMENT,830,17.
MLA Xu, Yong,et al."Study on corrosion behavior and mechanism of AISI 4135 steel in marine environments based on field exposure experiment".SCIENCE OF THE TOTAL ENVIRONMENT 830(2022):17.
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