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A Promising Method for Electrodeposition of Aluminium on Stainless Steel in Ionic Liquid
Yue, Guikuan1,2; Zhang, Suojiang1; Zhu, Yanli1; Lu, Xingmei1; Li, Shucai1; Li, Zengxi2; Zhang, SJ
Source PublicationAICHE JOURNAL
AbstractA promising method for aluminium deposition was proposed by using AlCl(3)/[bmim]Cl (1-butyl-3-methylimidazolium chloride) ionic liquid as electrolyte. By using this novel method, the volatile and flammable organic solvent systems and the high corrosive inorganic molten salts with high temperature can be substituted, and the deposit microstructure can be easily adjusted by changing the current density, temperature and electrolyte composition. The study was performed by means of galvano-static electrolysis and the optimum operating conditions were determined based oil the systematic studies of the effects of current density, temperature, molar ratio of AlCl(3) to [bmim]Cl, stirring speed and deposition time Oil the quality of deposited coatings. The electrical conductivities of electrolytes were also investigated as a function of temperature (298-358 K) and molar ratio of AlO(3) to [bmim]Cl (from 0.1:1 to 2.0:1). Dense, bright and adherent aluminium coatings were obtained over a wide range of temperature (298-348 K), current densities (8-44 mA/cm(2)) and molar ratio (1.6:1-2.0:1). Results from the analysis of crystal structure shou, that all of the electrodeposits exhibit a preferred (200) crystallographic orientation. Temperature has significant influence on the crystallographic orientation and there does not appear to he an apparent impact of current density oil it. Analyses of the chronoamperograms indicate that the deposition process of aluminium on stainless steel was controlled by three-dimension nucleation with diffusion-controlled growth and there is a conversion from progressive nucleation to instantaneous nucleation. (c) 2009 American Institute of Chemical Engineers AIChE J, 55: 783-796, 2009
KeywordIonic Liquid Electrodeposition Aluminium Stainless Steel Nucleation Orientation
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000263980300020
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, SJ
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yue, Guikuan,Zhang, Suojiang,Zhu, Yanli,et al. A Promising Method for Electrodeposition of Aluminium on Stainless Steel in Ionic Liquid[J]. AICHE JOURNAL,2009,55(3):783-796.
APA Yue, Guikuan.,Zhang, Suojiang.,Zhu, Yanli.,Lu, Xingmei.,Li, Shucai.,...&Zhang, SJ.(2009).A Promising Method for Electrodeposition of Aluminium on Stainless Steel in Ionic Liquid.AICHE JOURNAL,55(3),783-796.
MLA Yue, Guikuan,et al."A Promising Method for Electrodeposition of Aluminium on Stainless Steel in Ionic Liquid".AICHE JOURNAL 55.3(2009):783-796.
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