为了取代铝材铬酸盐化学成膜工艺,用锆酸盐化学处理液处理LY12铝合金,生成无铬的转化膜.测试转化膜厚度、NaOH-甘油点滴液起泡时间及转化膜与漆膜的结合力.通过正交试验和单因素试验得到较优的工艺:K2ZrF6 3 g/L,聚乙二醇2.5 g/L,磷酸1 g/L,温度35℃.转化膜厚度2.8μm,点滴液起泡时间达到64 s,与阴极电泳漆膜的结合力达到一级.
参考文献
| [1] | 林生岭,谢春生,王俊德,李清.Al及LY12Al的表面处理与复合转化膜的耐蚀性能研究[J].腐蚀与防护,2003(04):142-145. |
| [2] | 邹洪庆.铸铝合金锆系非铬化学成膜处理工艺应用[J].材料保护,2001(02):29-30,31. |
| [3] | Deck PD.;Sujdak RJ.;Moon M. .Investigation of fluoacid based conversion coatings on aluminum[J].Progress in Organic Coatings: An International Review Journal,1998(1/4):39-48. |
| [4] | M.A. Smit;J.A. Hunter;J.D.B. Sharman;G.M. Scamans;J.M. Sykes .Effect of organic additives on the performance of titanium-based conversion coatings[J].Corrosion Science,2003(9):1903-1920. |
| [5] | Paloumpa I;Yfantis A;Hoffmann P;Burkov Y;Yfantis D;Schmeisser D .Mechanisms to inhibit corrosion of Al alloys by polymeric conversion coatings[J].Surface & Coatings Technology,2004(0):308-312. |
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