以NH4H2PO4、NaF和NaOH组成基础电解液, 采用有机胺作为抑弧剂, 对AZ91D镁合金高压阳极氧化过程进行了研究.结果表明: 有机胺对镁合金的阳极氧化有着显著的抑弧效应, 可使镁合金的阳极火花放电电压提高50～80V.在抑制阳极发生弧光放电的状态下, 镁合金表面可以沉积一层致密、具有较高硬度和优良耐蚀性能的氧化膜层.分析了有机胺对氧化膜层性能和表面形貌的影响以及不同有机胺在镁合金阳极氧化过程中的抑弧能力, 并初步探讨了有机胺在镁合金阳极氧化过程中的抑弧机理.
参考文献
| [1] | Emley E F.Principles of Magnesium Technology[M].London:Pergmon Press,1966 |
| [2] | 师昌绪,李恒德,王淀佐,李依依,左铁镛.加速我国金属镁工业发展的建议[J].材料导报,2001(04):5-6. |
| [3] | 师昌绪,李恒德,王淀佐,李依依,左铁镛.加速我国金属镁工业发展的建议[J].材料导报,2001(04):5-6. |
| [4] | Makar G L;Kruger J .Corrosion of magnesium[J].International Materials Reviews,1993,38(03):135-138. |
| [5] | Froes F H;Eliezer D;Aghion E J .The science,technology and application of magnesium[J].Journal of The Minerals,Metals & Materials Society,1998,5(09):30-34. |
| [6] | Kozak O .Anti-corrosive Coating on Magnesium and Its Alloys[P].US 4184926,1980. |
| [7] | Kozak O .Method of Coating Articles of Magnesium and an Electrolytic Bath Therefore[P].US 4620904,1986. |
| [8] | Zozulin A J;Bartak D E .Anodized coatings for magnesium alloys[J].Metal Finishing,1994,92(03):39-44. |
| [9] | T.F. Barton;C.B. Johnson .The Effect of Electrolyte on the Anodized Finish Of a Magnesium Alloy[J].Plating & Surface Finishing,1995(5):138-141. |
| [10] | Sachiko O;Katsuhiko A;Tesuya O et al.Structure of anodic films formed on magnesium[J].Journal of the Electrochemical Society,1996,143(03):62-63. |
| [11] | Sharma A K;Rani R U;Giri K .Studies on anodization of magnesium alloy for thermal control applications[J].Metal Finishing,1997,95(03):43-51. |
| [12] | Khaselev O;Yahalom J .Constant voltage anodizing of Mg-Al alloys in KOH-Al(OH)3 solutions[J].Journal of the Electrochemical Society,1998,145(01):190-193. |
| [13] | Khaselev O;Yahalom J .The anodic behavior of binary Mg-Al alloys in KOH-aluminate solution[J].Corrosion Science,1998,40:1149-1160. |
| [14] | Oscar Khaselev;Danny Weiss;Joseph Yahalom .Anodizing of pure magnesium in KOH-aluminate solutions under sparking[J].Journal of the Electrochemical Society,1999(5):1757-1761. |
| [15] | F. A. Bonila;A. Berkani;Y. Liu .Formation of Anodic Films on Magnesium Alloys in an Alkaline Phosphate Electrolyte[J].Journal of the Electrochemical Society,2002(1):B4-B13. |
| [16] | Y.F. Kuang;J.P. Liu;Z.H. Hou;D.L. He .Preparation and analysis of films on aluminium by high voltage anodization in phosphoric acid and sodium tungstate solution[J].Journal of Applied Electrochemistry,2001(11):1267-1271. |
| [17] | Luo SL.;Tang H.;Zhou HH.;Chen JH.;Kuang YF. .Preparation and characteristics of oxide films on AA339.1 cast aluminum[J].Surface & Coatings Technology,2003(1):91-97. |
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