16 Elaborate effective parameters on the performance of oxid

16. Elaborate effective parameters on the performance of oxide layer ? (About the corrosion of materials)

Solution

An oxide layer is a thin layer or coating of an oxide, it is a chemical compound containing oxygen and one other element, oxide layer is main factor in determining the surface treatment for metal surface,

the oxide layer does not offer protection against corrosion in all cases, corrosion resistance of aluminum and its alloys can be attributed to the formation of a passive oxide layer, untreated aluminium has ver good corrosion resistance in most environments

oxide layer assisted corrosion resistant alloy is stainless steel in which alloying element chromium forms an impervious stable oxide layer

Thickness of oxide layer depends on humidity of air and composition of water,

the surface layer of aluminium monohybrate acts as top barrier, oxide layers are produced artificially by anodising