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Effect of Acidified Aerosols on Initial Corrosion Behavior of Q235 Carbon Steel
Liu, Miao-Ran1,2; Lu, Xiao1,3; Yin, Qi1,3; Pan, Chen1; Wang, Chuan1; Wang, Zhen-Yao1
Corresponding AuthorWang, Chuan(cwang@imr.ac.cn) ; Wang, Zhen-Yao(zhywang@imr.ac.cn)
2019-08-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume32Issue:8Pages:995-1006
AbstractThe effect of simulated acidified marine aerosols on the corrosion morphology of carbon steel was studied using an in situ optical stereomicroscope and scanning electron microscope equipped with an energy-dispersive spectrometer and a white-light interferometer. The morphologies of the carbon steel were identified under marine aerosols with different droplet diameters, pH, and acidifications. The results showed that corrosion was initiated in tens of seconds under aerosol droplets acidified by HCl or H2SO4. Despite the differences in the acidifier and diameter, corrosion for acidified droplets with pH>2 was general corrosion. For acidified droplets with pH<1, the corrosion morphology depended on the acidifier species, the ring-like morphology for HCl and ridge-like morphology for H2SO4. The segregation of Cl- was believed to be the main factor for the formation of the corrosion morphology under acidified droplets with pH<1. Also, the concentration of SO42- in the droplets had some effect on the segregation of Cl- ions when pH<1.
KeywordAtmospheric corrosion Aerosol Acidification Carbon steel pH Corrosion morphology
Funding OrganizationNational Natural Science Foundation of China ; Guangzhou Industry-University-Research Collaborative Innovation Alliance Special Project
DOI10.1007/s40195-018-0853-y
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671197] ; National Natural Science Foundation of China[51601199] ; Guangzhou Industry-University-Research Collaborative Innovation Alliance Special Project[201604046014]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000473228900008
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/134413
Collection中国科学院金属研究所
Corresponding AuthorWang, Chuan; Wang, Zhen-Yao
Affiliation1.Chinese Acad Sci, Inst Met Res, Environm Corros Ctr, Shenyang 110016, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Liu, Miao-Ran,Lu, Xiao,Yin, Qi,et al. Effect of Acidified Aerosols on Initial Corrosion Behavior of Q235 Carbon Steel[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2019,32(8):995-1006.
APA Liu, Miao-Ran,Lu, Xiao,Yin, Qi,Pan, Chen,Wang, Chuan,&Wang, Zhen-Yao.(2019).Effect of Acidified Aerosols on Initial Corrosion Behavior of Q235 Carbon Steel.ACTA METALLURGICA SINICA-ENGLISH LETTERS,32(8),995-1006.
MLA Liu, Miao-Ran,et al."Effect of Acidified Aerosols on Initial Corrosion Behavior of Q235 Carbon Steel".ACTA METALLURGICA SINICA-ENGLISH LETTERS 32.8(2019):995-1006.
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