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Effect of fluoride ions on passive performance of 316 stainless steel in acid media
Li, MC; Zeng, CL; Lin, HC; Cao, CN
Corresponding AuthorLi, MC()
2001-10-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume37Issue:10Pages:1083-1086
AbstractThe passivity of 316 stainless steel was investigated in F-containing dilute hydrochloric acid solutions aerated with oxygen gas at 25 degreesC. The polarization curves illustrate that 316 stainless steel can passivate in above solutions at corrosion potential. The anodic polarization curves show that low concentrations of F- ion have no significant influence on the passivity of 316 stainless steel, while the passivity is deteriorated by the higher concentrations (greater than or equal to0.01 mol/L) of F- ion. In 0.1 mol/L NaF solutions, an anodic current peak occurs before pitting potential, which doesn't appear in the solutions with low concentrations of NaF. During anodic polarization, a F--incorporated and Cr-enriched film forms on the stainless steel surface. The F--accelerated reactions mechanism is proposed for the deterioration of the passive film.
Keywordstainless steel passivation F- ion corrosion
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000174488400017
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/112151
Collection中国科学院金属研究所
Corresponding AuthorLi, MC
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Li, MC,Zeng, CL,Lin, HC,et al. Effect of fluoride ions on passive performance of 316 stainless steel in acid media[J]. ACTA METALLURGICA SINICA,2001,37(10):1083-1086.
APA Li, MC,Zeng, CL,Lin, HC,&Cao, CN.(2001).Effect of fluoride ions on passive performance of 316 stainless steel in acid media.ACTA METALLURGICA SINICA,37(10),1083-1086.
MLA Li, MC,et al."Effect of fluoride ions on passive performance of 316 stainless steel in acid media".ACTA METALLURGICA SINICA 37.10(2001):1083-1086.
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