Question

What is meant by galvanisation ? Explain in brief.​

Answer 1

Answer:

Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.

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Answer 2

Explanation:

Galvanization or galvanizing (also spelled galvanisation or galvanising) is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are submerged in a bath of molten zinc.

Galvanizing protects the underlying iron or steel in the following main ways:

• The zinc coating, when intact, prevents corrosive substances from reaching the underlying steel or iron.

• The zinc protects iron by corroding first. For better results, application of chromates over zinc is also seen as an industrial trend.

• In the event the underlying metal becomes exposed, protection can continue as long as there is zinc close enough to be electrically coupled. After all of the zinc in the immediate area is consumed, localized corrosion of the base metal can occur.