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in phosphate solution at 80 ℃ for 45min is 377.67 Ω?cm2, showing the highest anti-corrosive performance. For the stannate chemical conversion coatings, the coating obtained at 90 ℃ for 60 min has...: chemical conversion coating; phosphate; stannate; corrosion; electrochemical impedance spectroscopy  ......
coatings, Ce-silane-ZrO2 composite coatings were successfully prepared on 1060 aluminum. The microstructure, chemical element composition and corrosion resistance of Ce-based conversion coatings.... The addition of silane and ZrO2 nanoparticles to Ce-based conversion coatings reduces the porosity and decreases the micro-cracks of the coating. As expected, the corrosion resistance of composite......
, DONG S F, GE B, HUANG B X, MA J, CHEN H, HAO X H, WANG C Z. Effects of temperature and voltage on formation of electrolysis induced chemical conversion coating on titanium surface[J]. Surface... Jian-qing. Preparation and corrosion electrochemistry behavior of cerium-based chemical conversion coating on AZ91 magnesium alloy[J]. Acta Metallurgica Sinica, 2008, 44(8): 979-985. [39] LIU W, LI......
:The corrosion-resistant coating formed on the surface of sintered Nd-Fe-B magnet by a phosphate chemical conversion(PCC) treatment was studied.The morphology...Corrosion prevention of sintered Nd-Fe-B magnet by a phosphate chemical conversion treatmentXia Ding1,Xiu-Chun Wang2,Kai-Hong Ding3,Sheng-Li Cui3,Yong-Cong Sun3,Mu-Sen Li11. Key Laboratory for Liquid......
alloy plating and electroplating and electroless plating on magnesium alloys prepared by chemical conversion coating were presented in detail. Especially, the research development of magnesium alloy...; chemical conversion coating; zinc immersion/copper; direct electroless Ni-P alloy plating 1 Introduction The magnesium alloys are the light materials among the metals used for practical applications......
Study on Phytic Acid Conversion Coating on Mg-Li Alloy黄晓梅Key Laboratory of Superlight Materials and Surface Technology,Ministry of Education,Harbin Engineering University摘 要:The impact of phytic acid concentration,immersion time and soaking temperature on phytic acid conversion coating of the Mg-Li alloy are studied.The surface morphology......
Formation and characterization of cerium conversion coatings on magnesium alloy李凌杰,雷惊雷,于生海,田钰靖,蒋齐全,潘复生摘 要:Chemical conversion treatment by rare earth metal salt solution was considered as an alternative to chromium chemical conversion treatment to improve the corrosion resistance of magnesium alloys. In this study, cerium conversion coatings formed......
] 吴纯素.化学转化膜[M]. 北京: 化学工业出版社, 1988: 1?5.WU Chun-su. Chemical conversion film[M]. Beijing: Chemical Industry Press, 1988: 1?5. [6] Hawke D, Albright D L. A phosphate-permanganate conversion coating...): 454?457. [8] Sachiko O. Oxide films formed on magnesium and magnesium alloys by anodizing and chemical conversion coating[J]. Corrosion Reviews, 1998, 16(1/2): 175?190. [9] Subramanian R, Srcars S......
of microstructure on the corrosion of diecast AZ91D [J]. Corros Sci, 1998, 41(2): 249-273. [10] DABAL? M, BRUNELLI K, NAPOLITANI E, MAGRINI M. Cerium-based chemical conversion coating on AZ63 magnesium.... [14] HUO H W, LI Y, WANG F H. Corrosion of AZ91D magnesium alloy with a chemical conversion coating and electroless nickel layer [J]. Corros Sci, 2004, 46(6): 1467-1477. [15] HAWKE D, ALBRIGHT D L......
interlocking (due to the presence of numerous cracks or micro cracks on the conversion coating structure) or chemical bonding (between the sol-gel coating and mixed oxides of the conversion film... vanadium and the other hydroxides/oxides. In this work, EDS analysis was performed to study the chemical composition of the Ce-V conversion coating. The related spectra together with the results......