aluminium gets corrodeddue to ko
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By nature, aluminium is a reactive metal but it is also a passive metal. It means that while nascent aluminium will react with oxygen and water in the environment, the resulting compound will form a layer on the surface protecting the material underneath from further corrosion.
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Erosion corrosion of aluminium is caused by the impingement of a high-speed water jet on the aluminium body. Two factors that aggravate erosion-corrosion are the velocity of the water and its pH level. The existence of carbonate and silica content in water can further augment the corrosion rate.
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