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Passivation potential regulating corrosion resistance and antibacterial property of 316L-Cu stainless steel in different simulated body fluids
Sun, Yujun1; Zhao, Jinlong2; Liu, Lichu3; Xi, Tong2; Yang, Chunguang2; Li, Qi1; Yang, Ke2
Corresponding AuthorYang, Chunguang(cgyang@imr.ac.cn) ; Li, Qi(zyz91@sohu.com)
2020-03-02
Source PublicationMATERIALS TECHNOLOGY
ISSN1066-7857
Pages13
AbstractIn this work, the corrosion resistance of 316 L-Cu stainless steel (SS) after passivation at different potentials was studied by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The antibacterial property of passivated 316 L-Cu SS was also investigated by plate counting and live-dead cell staining combined with scanning electron microscope (SEM) observation. X-ray photoelectron spectroscope (XPS) was performed to analyse the composition of passive film. The results showed that the corrosion resistance increased with increase of the passivation potential from 600 mV to 750 mV, due to the enhancement of Cr2O3 and Cu(OH)(2) contents in passive film. When the passivation potential was increased to 900 mV, Cr(OH)(3) in passive film gradually dissolved and transformed to CrO42-, decreasing the stability of passive film. The higher compactness of passive film indicated a declined antibacterial performance.
KeywordCu-bearing stainless steel passive film corrosion resistance antibacterial property
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; State Key Program of National Natural Science of China ; Foshan Science and Technology Program
DOI10.1080/10667857.2020.1734723
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB0300205] ; National Natural Science Foundation of China[51501199] ; State Key Program of National Natural Science of China[51631009] ; Foshan Science and Technology Program[2017AG100041]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000518389800001
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137383
Collection中国科学院金属研究所
Corresponding AuthorYang, Chunguang; Li, Qi
Affiliation1.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Foshan Hosp Tradit Chinese Med, Orthopaed Inst, Foshan, Peoples R China
Recommended Citation
GB/T 7714
Sun, Yujun,Zhao, Jinlong,Liu, Lichu,et al. Passivation potential regulating corrosion resistance and antibacterial property of 316L-Cu stainless steel in different simulated body fluids[J]. MATERIALS TECHNOLOGY,2020:13.
APA Sun, Yujun.,Zhao, Jinlong.,Liu, Lichu.,Xi, Tong.,Yang, Chunguang.,...&Yang, Ke.(2020).Passivation potential regulating corrosion resistance and antibacterial property of 316L-Cu stainless steel in different simulated body fluids.MATERIALS TECHNOLOGY,13.
MLA Sun, Yujun,et al."Passivation potential regulating corrosion resistance and antibacterial property of 316L-Cu stainless steel in different simulated body fluids".MATERIALS TECHNOLOGY (2020):13.
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