Studies of surface treatment of aluminum alloys by BTSE silane agent
Hu, JM; Liu, L; Zhang, JT; Zhang, JQ; Cao, CN
Corresponding AuthorHu, JM(
AbstractSilane films prepared from bis-1, 2-[triethoxysilyl] ethane (BTSE) hydrolyzed in ethanol/water mixture on LY12 aluminum. alloys were characterized by dc-polarization curves and electrochemical impedance spectroscopy (EIS) in NaCl solution. The presence of silane films obviously improves the corrosion protection of alloys. The similar electrode kinetics of Al alloys in NaCl electrolyte were observed in the absence and in the presence of BTSE films, indicating that the silane films only act as a barrier against the attack of corrosive species. A suitable equivalent electrical circuit (EEC) for silanized samples was proposed and used throughout the work to fit the EIS data. The optimum processes of BTSE films were obtained from the orthogonal design. The corrosion protection was quantitatively evaluated by polarization resistance (R-p) of alloy electrodes derived from EIS measurements. The effect of each factor on film performance was also discussed.
Keywordsilane treatment BTSE LY12 aluminum alloy corrosion protection
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000225656500013
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorHu, JM
Affiliation1.Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
2.Chinese Acad Sci, State Key Lab Corros & Protect, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Hu, JM,Liu, L,Zhang, JT,et al. Studies of surface treatment of aluminum alloys by BTSE silane agent[J]. ACTA METALLURGICA SINICA,2004,40(11):1189-1194.
APA Hu, JM,Liu, L,Zhang, JT,Zhang, JQ,&Cao, CN.(2004).Studies of surface treatment of aluminum alloys by BTSE silane agent.ACTA METALLURGICA SINICA,40(11),1189-1194.
MLA Hu, JM,et al."Studies of surface treatment of aluminum alloys by BTSE silane agent".ACTA METALLURGICA SINICA 40.11(2004):1189-1194.
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