| LI Jian-hong,LI Na.Process Study on Anodic Oxide Coating Preparation of Aluminum Alloy with Alternating Current[J],39(1):74-76,84 |
| Process Study on Anodic Oxide Coating Preparation of Aluminum Alloy with Alternating Current |
| Received:September 11, 2009 Revised:February 10, 2010 |
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| DOI： |
| KeyWord:Aluminum alloy Alternating current Anodic oxide coating Film thickness Film hardness |
| Author | Institution |
| LI Jian-hong |
Liaoning University of Petroleum& Chemical Technology, Fushun , China |
| LI Na |
Northeastern University, Shenyang , China |
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| Abstract: |
| As sample,industrial pure aluminum L2 after surface preparation and anodic oxide coating with A.C. was studied. The effect on thickness and hardness of anodic oxide coating by oxidation time and voltage was discussed.Besides, the result of SEM and EDS testing and analysis of the cross section of the sample coated oxide film all show that 200 g/ L H2SO4, 1 g/ L Al2O3, A.C. 12 V,(20± 1)℃ is the optimal condition of anodic oxide coating preparation of aluminum alloy with A. C.. And in this condition,uniform,harderand tighterwith the basal body of the sample can be gained.Moreover,more time, thicker film, but less hardness. |
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