通过表面分析和电化学测试等研究了Ni2+对LY12铝合金表面锌系磷化膜结构和耐蚀性的作用.结果表明,LY12铝合金表面锌系磷化膜的主要成分是Zn3( PO4)2·4H2O,而Ni2+的细化晶粒作用使锌系磷化膜的结构变得更加完整致密,其加入不影响锌系磷化膜的化学组成和相组成；与不含Ni2+的磷化液处理相比,经含有Ni2+的磷化液处理后的铝合金在3.5％的NaCl溶液中的腐蚀电流密度明显下降,在100 mHz频率下的阻抗值明显增大,表现出良好的防护性.
参考文献
| [1] | 袁永壮.磷化前的表面调整工艺[J].腐蚀与防护,2006(11):590-591. |
| [2] | 刘景辉,申丰,王立夫,刘建国,赵贺.镁合金表面磷化处理的研究[J].有色金属加工,2005(04):30-31. |
| [3] | Li Guang-wu;Zhang Zhong-cheng.Technology of metal surface temperature phosphating[M].济南:山东大学,2003:33-34. |
| [4] | Susac D;Sun X;Li RY;Wong KC;Wong PC;Mitchell KAR;Champaneria R .Microstructural effects on the initiation of zinc phosphate coatings on 2024-T3 aluminum alloy[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2004(1):45-59. |
| [5] | Sun X.;Susac D.;Li R.;Wong KC.;Foster T.;Mitchell KAR. .Some observations for effects of copper on zinc phosphate conversion coatings on aluminum surfaces[J].Surface & Coatings Technology,2002(1):46-50. |
| [6] | Badawy W A;Al-khamfi F M;EI-Azab A S .Electrochemical behaviour and corrosion inhibition of Al,Al-6061 and Al-Cu in neutral aqueous solutions[J].Corrosion Science,1999,41(04):709. |
| [7] | 王成,江峰,林海潮.Al合金表面铬酸盐处理及替代工艺研究进展[J].腐蚀科学与防护技术,2001(06):347-350. |
| [8] | Chhiu-Tsu Lin .Green chemistry in situ phosphatizing coatings[J].Progress in Organic Coatings: An International Review Journal,2001(3/4):226-235. |
| [9] | Mary C. Whitten;Valicia J. Burke;Heather A. Neuder;Chhiu-Tsu Lin .Simultaneous Acid Catalysis and in Situ Phosphatization Using a Polyester-Melamine Paint: A Surface Phosphatization Study[J].Industrial & Engineering Chemistry Research,2003(16):3671-3679. |
| [10] | Heather Neuder;Charles Sizemore;Mark Kolody.Molecular design of in situ phosphatizing coatings (ISPCs) for aerospace primers[J].Progres in Organic Coatings,2003(07):225. |
| [11] | 张圣麟,张小麟.铝合金无铬磷化处理[J].腐蚀科学与防护技术,2008(04):279-282. |
| [12] | 张圣麟,张明明,陈华辉.铝合金的锌系磷化处理[J].金属热处理,2007(11):62-64. |
| [13] | 李敏娇,张述林,王晓波,罗祎,廖燕飞.铝合金无铬磷化技术的研究[J].有色金属加工,2008(01):48-50,62. |
| [14] | 祝保林,陈养民.钢铁磷化机理及新工艺研究[J].渭南师范学院学报,2004(05):36-38. |
| [15] | 夏正斌,涂伟萍,杨卓如,陈焕钦.常温磷化技术[J].材料保护,1999(08):16-19. |
| [16] | 张鸿,李丽.冬季室温磷化工艺的研究[J].电镀与环保,2004(05):24-26. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%