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aluminium oxidation treatment is used to protect aluminium and its alloys from corrosion by coating the metal with a thin, hard layer of aluminium oxide. The resulting film is highly corrosion resistant and has many other benefits, including insulation, wear resistance, electrical conductivity, and appearance. The oxidation process can be achieved through chemical conversion or by anodizing.
The oxidation of aluminum is often mistaken for corrosion, but they are not the same thing. Corrosion happens when the oxidation layer dissolves, which can take some time, but is usually prevented by re-oxidizing the aluminum with a fresh oxidation layer.
To prevent oxidation from occurring, it is important to clean aluminum regularly. Regular cleanings will keep dirt and grime from building up, allowing the aluminum to maintain its bright appearance. It is also important to wash the aluminum with natural cleaners, and to scrub discolored areas, especially if they are caked in dirt.
To clean oxidized aluminum, start by rinsing the item with water to remove any loose dust or debris. If there are any large or stubborn stains, use a brush or scraper to scrub the area. Then rinse the item again to remove any dirt and grime that has been scrubbed off. For more stubborn stains, try using a commercial aluminum cleaner or polishing paste. To avoid scratching the aluminum, make sure to use a soft-bristled brush. Scratching the oxidation skin can expose the aluminum to galvanic corrosion, which will affect its performance.
