Anodizing of Aluminum-Silicon Alloy
Abstract
The anodizing process is one of the coating methods used to protect metals and their alloys from corrosion. It is also used to increase hardness and fatigue resistance. This technique can be applied to the Al-Si alloy. Furthermore, to control the thickness of the thickness of the oxide film formed by the anodizing process, the parameters of the procedure should be specified. In this investigation, the effect of oxide film thickness on anodizing time has been studied for an aluminum-silicon alloy, and an optical microscope was used to examine the formed morphology surface and measure the oxide layer thickness. The results showed that the treated alloy acquired a gray-dark color on its surface. In addition, the oxide film has a direct relationship with the process time.
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