Vol.20 No.3 李久青等：铈盐在铝合金阳极氧化后处理工序中的应用 ·285· 封闭没有明显差别 (3)经P5工艺处理的铝合金阳极氧化膜，在酸性和中性介质中耐蚀性良好，但不耐碱性 环境的腐蚀. 参考文献 I Hinton B R W,Arott D R,Yan N E R.The Inhibition of Aluminum Alloy Corrosion by Cerous Coatings.Metals Forum,1984(4):211 2 Mansfeld FF,Lin S,Kim S,Shih H.Surface Modification of Alloys and Al-based Metal Matrix Composition by Chimical Passivation.Electrtochemical Acta,1989,34(8):1123 3 Mansfeld FF,Lin S,Kim S,Shih H.Corrosion Protection of Al alloy and Al-based Metal Matrix Composites by Chemical Passivation.Corrosion,1989,45(8):615 4 Andrew Kindler.Chromium-Free Method and Composition to Protect Aluminium.US Patent, 5192374.1993-03-09 5 Florian B Mansfeld,Hong Shin,You Wang.Method for Creating a Corrosion-resistant Aluminium Surface.US Patent,5194138.1993-03-16 6 Robert N Miller.Non-toxic Corrosion Resistant Conversion Coating for Aluminium and Aluinium Alloys and the Process for Making the Same.US Patent,5221371.1993-06-22 7 Robert N Miller.Non-toxic Corrosion Resistant Conversion Process Coating for Aluminium and Aluminium Alloys.US Patent,5356492.1994-10-18 8 Ravi Rungta.Rare Earth Coating Process for Aluminium Alloys.US Patent,5362335,1994-11-18 9高陆生.铝合金稀土转化膜的研究：[硕士学位论文].北京科技大学，1995 10许强龄.镀（涂）层质量检验技术，上海：上海科学技术文献出版社1992.1771 Application of Cerium Salt in Aftertreatment Process for Anodizing of Aluminum Alloy Li Jiuqing Lu Cuiying Tian Hong Wang Shuhao The Opening Corrosin-Erosion Surface Technology Laboratory of the Metallurgical Industry Ministry, UST Beijing.Beijing 100083,China ABSTRACT The rare-earth conversion film forming technology for aluminum alloy was taken as an aftertreatment method of anodizing.The results of several experiments showed that the corrosion resistance of film is increased evidently aftertreatment by rare-earth salts. The sealing action to porous anodizing film is provided by cerium salt.The effectiveness of the sealing can compare with the normal temperature sealing. KEY WORDS aluminum alloy;anodizing and sealing;rare-earth salt treatment;corrosiopn resistance