Question

what is galvanisation and tell its preventive methods fast pls answer fast​

Answer 1

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Galvanization is the process of applying a protective zinc coating to steel or iron in order to prevent premature rust and corrosion. One of the better methods of protecting steel materials against corrosion is through hot-dip galvanization.

Answer 2

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Galvanization

Galvanization is the process of applying a protective layer of zinc on a metal. It is a very common method of preventing the rusting of iron.

This can be done by dipping the metal to be protected in hot, molten zinc or by the process of electroplating.

Zinc is a relatively cheap metal that sticks to steel easily. It also offers cathodic protection to the iron surface by acting as an anode. The zinc layer is corroded instead of the iron due to this.

The disadvantages of galvanization are that it only provides protection from corrosion for a limited amount of time since the zinc layer is eaten up in the process. It is not very effective in highly corrosive areas (where cadmium coating can be used instead).