以K2ZrF6为主要成膜原料,Ni2SO4·6H2O为着色剂,实现在常温下对6063铝合金的无铬化学转化处理,处理液无需另外添加氧化剂而性能稳定,数分钟内快速成膜.通过添加Ni元素使转化膜由灰色变为黑色,解决了锆转化膜的着色问题.通过SEM观测、XRD分析及电化学测试,发现Zr-Ni转化膜宏观上均匀,表面微观形貌呈短屑状结构;转化膜由ZrO0.44F3.12、AlNi、Zr(F,O)3.6、NiZrF6、KAlF4、Al及AlF3组成;该转化膜具有良好的耐腐蚀性能,膜层结构电路为C1/R1/(L2+R2)/(L3+R3).
参考文献
| [1] | 郭瑞光,耿志良.无铬转化膜技术研究的几点建议[J].电镀与涂饰,2008(05):38-40. |
| [2] | 郭瑞光,耿志良.无铬转化膜技术研究的几点建议[J].电镀与涂饰,2008(05):38-40. |
| [3] | Goodman P.ERA Report 2006-0134[R].2006:35,2006. |
| [4] | US Department of Health and Human Services Public Health Service.Draft toxicological profile for chromium[R].Syracuse Research Corporation,2008:86,2008. |
| [5] | Yu Xingwen,Cao Chunan,Lin Haichao,et al .Study on the corrosion behavior of Ce coversion coationgs on Al6061/SiCp composites[J].Acta Metall Sinica,2000,36(3):313 于兴文,曹楚南,林海潮,等.Al6061/SiCp复合材料表面Ce转化膜腐蚀行为的研究[J].金属学报,2000,36(3):313,2000. |
| [6] | 于兴文,曹楚南,林海潮,尹钟大,周德瑞.Al6061/SiCp复合材料表面Ce转化膜腐蚀行为的研究[J].金属学报,2000(03):313-318. |
| [7] | 朱祖芳.建筑铝型材的表面处理技术现况及发展趋势[J].电镀与涂饰,2005(04):14-17. |
| [8] | 朱祖芳.建筑铝型材的表面处理技术现况及发展趋势[J].电镀与涂饰,2005(04):14-17. |
| [9] | Gusmano G,Montesperelli G,Rapone M,et al .Zirconia primers for corrosion resistant coatings[J].Surf Coat Techn,2007,201(12):5822,2007. |
| [10] | 朱祖芳.铝合金建筑型材表面处理技术发展和质量评价分析[J].中国金属通报,2007(19):30,2007. |
| [11] | 陈东初,李文芳,龚伟慧,吴桂香,黄铭深,梁奕清.铝合金表面无铬化学转化膜的制备及其性能[J].中国有色金属学报,2008(10):1839-1845. |
| [12] | 陈东初,李文芳,龚伟慧,吴桂香,黄铭深,梁奕清.铝合金表面无铬化学转化膜的制备及其性能[J].中国有色金属学报,2008(10):1839-1845. |
| [13] | Chang C,Wang C,Wu C,et al .Using ToF-SIMS and EIS to evaluate green pretreatment reagent:Corrosion protection of aluminum alloy by silica/zirconium/cerium hybrid coating[J].Appl Surf Sci,2008,255(4):1531,2008. |
| [14] | Schem M,Schmidt T,Gerwann J,et al .CeO2-filled sol-gel coatings for corrosion protection of AA2024-T3 aluminium alloy[J].Corros Sci,2009,51(10):2304,2009. |
| [15] | Miyauchi M,Tokudome H .Highly hydrophilic conversion on oriented TiO2 thin films synthesized by a facile spin-coating method[J].Appl Phys Lett,2007,91(4):043111,2007. |
| [16] | Deck P D,Moon M,Sujdak R J .Investigation of fluoacid based conversion coatings on aluminum[J].Prog Org Coat,1997,34:39,1997. |
| [17] | Andreatta F,Turco A,de Graeve I,et al .SKPFM and SEM study of the deposition mechanism of Zr/Ti based pretreatment on AA6016 aluminum alloy[J].Surf Coat Techn,2007,201(18):7668,2007. |
| [18] | Verdier S,van der Laak N,Dalard F,et al .An electrochemical and SEM study of the mechanism of formation,morphology,and composition of titanium or zirconium fluoride-based coatings[J].Surf Coat Techn,2006,200(9):2955,2006. |
| [19] | Lu Y,Xiong J,Shen L,et al.Process of chrome-free chemical conversion film on aluminum alloys[J].Electroplat Finish,2007(3):25,2007. |
| [20] | Chen Tingyi,Li Wenfang,Du Jun .Coloring Ti film on 6063 aluminum alloy by Ni2+ and properties[J].J Funct Mater,2014,41:260 陈廷益,李文芳,杜军.Ni2+对6063铝合金Ti无铬转化膜着色及其性能【J】.功能材料,2010,41(S2):260,2014. |
| [21] | Chen T,Li W,Cai J .Formation of a chrome-free and coloured conversion coating on AA6063 aluminium alloy[J].RSC Adv,2011,1(4):607,2011. |
| [22] | Johansen H D,Brett C,Motheo A J .Corrosion protection of aluminium alloy by cerium conversion and conducting polymer duplex coatings[J].Corros Sci,2012,63 |
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