Improvement of corrosion resistance of Aluminum Alloy with wettability controlled porous oxide films
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The combined process of porous type anodizing and desiccation treatment was applied to improve wettabilityof A1050 aluminum alloy. The water contact angles of anodized samples were increaseds considerably withdesiccation treatment. However, there was no considerable effect of polishing and anodizing time on watercontact angle. The corrosion behavior with the treatments was investigated electrochemically. The corrosionresistance of the samples in 3.5 mass% NaCl solutions increased with higher contact angle. Anodized anddesiccated samples showed better corrosion resistance than un-desiccated samples around rest potential region.
Abstract
The combined process of porous type anodizing and desiccation treatment was applied to improve wettabilityof A1050 aluminum alloy. The water contact angles of anodized samples were increaseds considerably withdesiccation treatment. However, there was no considerable effect of polishing and anodizing time on watercontact angle. The corrosion behavior with the treatments was investigated electrochemically. The corrosionresistance of the samples in 3.5 mass% NaCl solutions increased with higher contact angle. Anodized anddesiccated samples showed better corrosion resistance than un-desiccated samples around rest potential region.
참고문헌 (15)
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