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The corrosion inhibition effect of phytic acid on 20SiMn steel in saturated Ca(OH)(2) solution with 1 molL(-1) NaCl
Cao, Fengting1,2; Wei, Jie1; Dong, Junhua1; Ke, Wei1
Corresponding AuthorDong, Junhua(jhdong@imr.ac.cn)
2018
Source PublicationCORROSION ENGINEERING SCIENCE AND TECHNOLOGY
ISSN1478-422X
Volume53Issue:4Pages:283-292
AbstractA wise strategy to hinder the degradation of the steel rebar in concrete is finding a corrosion inhibitor to resist pitting corrosion at passive state as well as the general dissolution at active dissolution state. In this paper, the corrosion inhibition effect of phytic acid (IP6) on 20SiMn steel was investigated in the simulated concrete solution with chlorides, Sat.Ca(OH)2+1 mol/L NaCl(pH=12.9), by electrochemical methods and surface analysis techniques. The results show that IP6 could prolong the incubation time of 20SiMn steel from passive to pitting corrosion and enhance the charge-transfer resistance to a certain extent with the inhibition efficiency of around 30 similar to 50%. This is ascribed to the preferential adsorption of IP6 over chloride ion on the passive film through PO4 functional groups, which lead to the formation of a compact chelation film.
KeywordCorrosion alkaline inhibitor phytic acid surface film XPS EIS
Funding OrganizationNational Natural Science Foundation of China
DOI10.1080/1478422X.2018.1459063
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51501201]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000431534000006
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128011
Collection中国科学院金属研究所
Corresponding AuthorDong, Junhua
Affiliation1.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Liaoning, Peoples R China
2.Chinese Acad Sci, Qingdao Ind Energy Storage Res Inst, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao, Peoples R China
Recommended Citation
GB/T 7714
Cao, Fengting,Wei, Jie,Dong, Junhua,et al. The corrosion inhibition effect of phytic acid on 20SiMn steel in saturated Ca(OH)(2) solution with 1 molL(-1) NaCl[J]. CORROSION ENGINEERING SCIENCE AND TECHNOLOGY,2018,53(4):283-292.
APA Cao, Fengting,Wei, Jie,Dong, Junhua,&Ke, Wei.(2018).The corrosion inhibition effect of phytic acid on 20SiMn steel in saturated Ca(OH)(2) solution with 1 molL(-1) NaCl.CORROSION ENGINEERING SCIENCE AND TECHNOLOGY,53(4),283-292.
MLA Cao, Fengting,et al."The corrosion inhibition effect of phytic acid on 20SiMn steel in saturated Ca(OH)(2) solution with 1 molL(-1) NaCl".CORROSION ENGINEERING SCIENCE AND TECHNOLOGY 53.4(2018):283-292.
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