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Electrochemical study on the corrosion behavior of Ti3SiC2in 3.5% NaCl solution
Zhu, Ming1; Wang, Rui2; Chen, Chen2; Zhang, Haibin2; Zhang, Guojun3
2017
Source PublicationRSC Advances
Volume7Issue:21Pages:12534-12540
AbstractAs a newly developed conductive ceramic with wide application prospects, the electrochemical corrosion behavior of Ti3SiC2in 3.5% NaCl solution was investigated by potentiodynamic polarization, potentiostatic polarization and electrochemical impedance spectroscopy. Commercially pure titanium (CP Ti) was selected for comparative, and cooperated with XRD, XPS, SEM, the passivation behavior, corrosion mechanism were clarified. Ti3SiC2exhibits typical passivation characteristics and the corrosion resistance at self-corrosion potential is close to that of CP Ti. Silicon and titanium atoms nearby are selectively extracted resulting in a large amount carbon state in the passivation film, which mainly is composed of oxides and hydroxides related to Ti and Si. Lamellar microstructure and the differences between chemical bond of Ti-C and Ti-Si limits the passivation ability, resulting in a weaker passivation ability when compared to that of CP Ti. © The Royal Society of Chemistry.
DOI10.1039/c6ra26239b
EI Accession Number20171003416169
EI KeywordsElectrochemical corrosion
EI Classification Number539.1 Metals Corrosion - 539.2.1 Protection Methods - 542.3 Titanium and Alloys - 801 Chemistry - 804.2 Inorganic Compounds
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25936
Collection中国科学院上海硅酸盐研究所
Affiliation1.College of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an; 710054, China;
2.Innovation Research Team for Advanced Ceramics, Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang; 621900, China;
3.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Institute of Functional Materials, Donghua University, Shanghai; 201620, China
Recommended Citation
GB/T 7714
Zhu, Ming,Wang, Rui,Chen, Chen,et al. Electrochemical study on the corrosion behavior of Ti3SiC2in 3.5% NaCl solution[J]. RSC Advances,2017,7(21):12534-12540.
APA Zhu, Ming,Wang, Rui,Chen, Chen,Zhang, Haibin,&Zhang, Guojun.(2017).Electrochemical study on the corrosion behavior of Ti3SiC2in 3.5% NaCl solution.RSC Advances,7(21),12534-12540.
MLA Zhu, Ming,et al."Electrochemical study on the corrosion behavior of Ti3SiC2in 3.5% NaCl solution".RSC Advances 7.21(2017):12534-12540.
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