采用阳极氧化方法在AZ31镁合金表面制备了一种新的包含Al2O3纳米颗粒的复合阳极氧化膜,研究了添加剂乙二胺四乙酸(EDTA)对复合阳极氧化的影响.采用扫描电镜观察了复合阳极氧化膜的表面形貌及磨痕的形貌;利用涡流测厚仪测试了复合阳极氧化膜的厚度;采用极化曲线和往复摩擦磨损试验评价了复合阳极氧化膜的耐蚀性和耐磨性.结果表明,有机添加剂EDTA对阳极氧化的成膜电压、氧化膜表面形貌、厚度及其耐蚀性能均有较大影响.当EDTA浓度为0.03 mol/L时,复合阳极氧化膜表面连续致密,孔洞细小且分布均匀,耐蚀性能相对较优,且具备优异的耐磨性能.
参考文献
| [1] | Liu ZM;Gao W .Electroless nickel plating on AZ91 Mg alloy substrate[J].Surface & Coatings Technology,2006(16/17):5087-5093. |
| [2] | 刘妍,杨富巍,卫中领,张昭.邻苯二甲酸氢钾-硼酸盐电解液中AZ91D镁合金的阳极氧化[J].中国有色金属学报（英文版）,2012(07):1778-1785. |
| [3] | Gray-Munro, JE;Luan, B;Huntington, L .The influence of surface microchemistry in protective film formation on multi-phase magnesium alloys[J].Applied Surface Science,2008(9):2871-2877. |
| [4] | 张丁非,张红菊,兰伟,马春华.高强镁合金的研究进展[J].材料热处理学报,2012(06):1-8. |
| [5] | J.E. Gray;B. Luan .Protective coatings on magnesium and its alloys-a critical review[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2002(1/2):88-113. |
| [6] | Zhang Y J;Yan C W;Wang F H et al.Study on the environmentally friendly anodizing of AZ91D magnesium alloy[J].Surface and Coatings Technology,2002,161(01):36-43. |
| [7] | Yan Liu;Zhongling Wei;Fuwei Yang .Environmental friendly anodizing of AZ91D magnesium alloy in alkaline borate-benzoate electrolyte[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2011(22):6440-6446. |
| [8] | Liyuan Chai;Xia Yu;Zhihui Yang;Yunyan Wang;Masazumi Okido .Anodizing Of Magnesium Alloy Az31 In Alkaline Solutions With Silicate Under Continuous Sparking[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2008(12):3274-3279. |
| [9] | 贾春萍.镁合金无铬阳极氧化工艺的研究现状[J].南京工程学院学报（自然科学版）,2006(01):23-26. |
| [10] | 王淑艳,夏永平,刘莉.电解质对AZ91D镁合金微弧氧化的影响[J].材料热处理学报,2012(09):122-128. |
| [11] | 张永君,严川伟,王福会.镁阳极氧化膜微观结构和防护性能的比较[J].腐蚀科学与防护技术,2004(01):1-4. |
| [12] | 郭洪飞,安茂忠.镁及镁合金阳极氧化技术[J].轻合金加工技术,2003(12):1-5,22. |
| [13] | 曾祥勇.难溶粉体对硫酸溶液中铝阳极氧化膜性能的影响[J].材料保护,1998(12):6. |
| [14] | Suiyuan Chen;Chen Kang;Jing Wang;Changsheng Liu;Kai Sun .Synthesis of anodizing composite films containing superfine Al_2O_3 and PTFE particles on Al alloys[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2010(22):6518-6525. |
| [15] | 欧爱良,余刚,胡波年,何晓梅,张俊,易海波,陈云.三乙醇胺在镁合金阳极氧化中的作用[J].化工学报,2009(08):2118-2123. |
| [16] | 常立民,刘丹.氨基乙酸含量对镁合金阳极氧化膜形貌及性能的影响[J].材料保护,2010(02):50-52,60. |
| [17] | Archard J F .Contact and rubbing of flat surfaces[J].Journal of Applied Physics,1953,24(08):981-988. |
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