Question

How is corrosion prevent?

Answer 1

There are four types of corrosion prevention measures, which can be differentiated in descending order of priority as follows:

The right choice of material (stainless steels and special materials, nonferrous metals such as copper, brass, bronze, aluminium or titanium and synthetic materials)Subsequent surface coatings (lubrication, zinc coating, lacquering, phosphatizing, bronzing, chromizing, galvanizing)Electro-chemical measures (cathodic protection)Structural measures (insulation, avoidance of crevices, etc.)

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Answer 2

corrosion is prevented by these methods-

1:- galvanisation:- covering with the layer of zinc.
2:-making it alloy restrict further corrosion
3:-elctroplating
4:-anodisation:- layering of aluminium