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Preliminary study on biocorrosion inhibition effect of Ti-5Cu alloy against marine bacterium Pseudomonas aeruginosa
Arroussi, Mohammed1,2; Bai, Chunguang1; Zhao, Jinlong1,2; Zhang, Shuyuan1,2; Xia, Zhizhou1,2; Jia, Qing1; Yang, Ke1
Corresponding AuthorJia, Qing(qjia@imr.ac.cn) ; Yang, Ke(kyang@imr.ac.cn)
2022-03-15
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume578Pages:14
AbstractTitanium is not fully immune to the microbiologically-influenced corrosion, yet highly susceptible to biofouling. Biocorrosion inhibition effect of Ti-5Cu alloy against Pseudomonas aeruginosa was studied using antibacterial test, various electrochemical techniques and surface analysis. Ti-5Cu alloy was verified to effectively reduce the MIC rate. After 14 days of incubation in P. aeruginosa, the icorr of cp-Ti (89.20 +/- 12nA cm(-2)) was significantly greater than that of Ti-5Cu alloy (35.42 +/- 5.3nA cm(-2)). Release of Cu2+ ions which was confirmed by shake-up feature controlled respiration of P. aeruginosa, resulting in strong pitting resistance ability. The outermost layer of Ti-5Cu alloy was predominantly composed of TiO2, but a spot of Ti degrees was also detected. In contrast, the content of Ti2O3 at sputtering thickness of 0, 2, and 6 nm was higher on the surface of cp-Ti compared with Ti-5Cu alloy. Ti2Cu intermetallic compounds promoted the rapid self-healing property of passive film in the presence of P. aeruginosa.
KeywordTitanium alloy Passive film Biocorrosion inhibition P. aeruginosa
Funding OrganizationNational Natural Science Foundation ; United Research & Development Program ; CAS-TWAS Fellowship
DOI10.1016/j.apsusc.2021.151981
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation[U1906226] ; United Research & Development Program[E049A201] ; CAS-TWAS Fellowship
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000770208200002
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173030
Collection中国科学院金属研究所
Corresponding AuthorJia, Qing; Yang, Ke
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230022, Peoples R China
Recommended Citation
GB/T 7714
Arroussi, Mohammed,Bai, Chunguang,Zhao, Jinlong,et al. Preliminary study on biocorrosion inhibition effect of Ti-5Cu alloy against marine bacterium Pseudomonas aeruginosa[J]. APPLIED SURFACE SCIENCE,2022,578:14.
APA Arroussi, Mohammed.,Bai, Chunguang.,Zhao, Jinlong.,Zhang, Shuyuan.,Xia, Zhizhou.,...&Yang, Ke.(2022).Preliminary study on biocorrosion inhibition effect of Ti-5Cu alloy against marine bacterium Pseudomonas aeruginosa.APPLIED SURFACE SCIENCE,578,14.
MLA Arroussi, Mohammed,et al."Preliminary study on biocorrosion inhibition effect of Ti-5Cu alloy against marine bacterium Pseudomonas aeruginosa".APPLIED SURFACE SCIENCE 578(2022):14.
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