| LI Zhen-fang.Oxidation on Al-Si Casting Aluminium Alloy[J],36(6):56-58 |
| Oxidation on Al-Si Casting Aluminium Alloy |
| Received:August 27, 2007 Revised:December 10, 2007 |
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| DOI： |
| KeyWord:Cast Aluminium Alloys Anodization Oxide film Chromatism |
| Author | Institution |
| LI Zhen-fang |
College of Profession and Technology , Jinhua , China |
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| Abstract: |
| Al-Si alloy has been widely applied in industry for its good properties. Anodization is the important process of surface pretreatment for Al-alloy casting and the anodising membrane chromatism of aluminium alloy casting directly influenced the surface quality, service life and appearance. Influence factors of quality of cast aluminium positive pole oxidizing were discussed. Processes of surface pretreatment and anodization of cast Al alloys were investigated, effects of surface pretreatment and echnological conditions of cast Al alloys on corrosion resistance and thickness of anodized film were discussed. Based on this optimum technology, applicable method of surface pretreatment and technological conditions of anodization were obtained. The technology was simple and efficient. |
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