通过交流电解沉积的方法在铝合金阳极氧化膜上制备了稀土铈复合膜, 并考察了氧化膜的厚度对形成复合膜的影响. 电解成膜溶液为含1 g · L-1 CeCl3 · 7H2O和10 mL · L-1 H2O2的水溶液, 正弦交流电的平均电压为10 V, 交流沉积的时间为5 min. 结果表明, 阳极氧化膜的厚度是影响成膜的主要因素, 在实验中, 氧化膜的厚度大于6.8 μm时才能形成连续均匀的复合膜. 测试分析结果表明, 复合膜表面的铈元素分布均匀, 平均含量为1.70%(质量分数);Ce元素主要分布在氧化膜多孔层的表层, 分布深度约1.5 μm.
参考文献
| [1] | Hinton B R W;Arott D R;Ryan N E .Cerium conversation coatings for corrosion protection of aluminum[J].Metals Forum,1986,9(03):162. |
| [2] | Mansfeld F;Wang Y;Shih H .The Ce-Mo process for the development of a stainless aluminum[J].Electrochimica Acta,1992,37(12):2277. |
| [3] | Ravi Rungta .Rare earth coating process for aluminum alloys[P].US patent 5362335,1994. |
| [4] | Miller Robore N .Non-toxic corrosion resistant conversion process coating for aluminium and aluminium alloys[P].US patent,5419790,1995-5-30. |
| [5] | Fahrenholtz William G;Keefe Matthew J O';Zhou Haifeng;Grant J T .Characterization of cerium-based conversion coatings for corrosion protection of aluminum alloys[J].Surface and Coatings Technology,2002,155:208. |
| [6] | Andre Decroly;Jean-Pierre Petitjean .Study of the deposition of cerium oxide by conversion on to aluminium alloys[J].Surface and Coatings Technology,2005,194:1. |
| [7] | Scholes FH;Soste C;Hughes AE;Hardin SG;Curtis PR .The role of hydrogen peroxide in the deposition of cerium-based conversion coatings[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(4):1770-1780. |
| [8] | Stoffer J O;O'Keefe T J;Lin X;Morris E Yu P Sitaram S P .Electrodeposition of cerium-based coatings for corrosion protection of aluminum alloys[P].US patent 5932083,1999. |
| [9] | Campestrini P.;Terryn H.;Hovestad A.;de Wit JHW. .Formation of a cerium-based conversion coating on AA2024: relationship with the microstructure[J].Surface & Coatings Technology,2004(3):365-381. |
| [10] | Hu Jin;Tang Shawei;Zhang Zaiyang .Microstructure and formation mechanism of cerium conversion coating on alumina borate whisker-reinforced AA6061 composite[J].Corrosion Science,2008,50:3185. |
| [11] | 石铁,左禹,赵景茂,张晓丰.铝合金表面电解沉积稀土转化膜工艺研究[J].电镀与涂饰,2005(06):22-25. |
| [12] | Johnson B Y;Edington J;Williams A;O'Keefe M J .Microstructural characteristics of cerium oxide conversion coatings obtained by various aqueous deposition methods[J].Materials Characterization,2005,54:41. |
| [13] | 于兴文,曹楚南,严川伟.LY12铝合金阳极氧化稀土后处理的研究[J].高技术通讯,2000(12):57-58. |
| [14] | Yu Xingwen;Yan Chuanwei;Cao Chunan .Study on the rare earth sealing procedure of the porous film of anodized Al6061/SiCp[J].Materials Chemistry and Physics,2002,76:228. |
| [15] | 李国强,李荻,李久青,郭宝兰,彭明霞.铝合金阳极氧化膜上阴极电解沉积的稀土铈转化膜[J].中国腐蚀与防护学报,2001(03):150-157. |
| [16] | Vrublevsky I.;Parkoun V.;Sokol V.;Schreckenbach J.;Marx G. .The study of the volume expansion of aluminum during porous oxide formation at galvanostatic regime[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2004(1/4):215-225. |
| [17] | 王银海,牟季美,蔡维理,石刚.交流电在Al2O3模板中沉积金属机理探讨[J].物理化学学报,2001(02):116-118. |
| [18] | 高云震;任继嘉;宁福远.铝合金表面处理[M].北京:冶金工业出版社,1991:40. |
| [19] | 刘海平.铝阳极氧化膜交流电解着色机理研究[J].电镀与精饰,1991(06):3. |
| [20] | Davenport A J;Isaacs H S;Kendig M W .XANES investigation of the role of cerium compounds as corrosion inhibitors for aluminum[J].Corrosion Science,1991,32(5/6):653. |
| [21] | Sato T;Skai S .Electrolytic colouring of anodized aluminium with nickel sulphate[J].Transactions of the Institute of Metal Finishing,1979,57:43. |
| [22] | Skominas V;Lichusina S;Miecinska P;Jagminas A .A voltammetric and chronopotentiometric study of anodized aluminium in metal salt solution[J].Transactions of the Institute of Metal Finishing,2001,79(06):213. |
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