Chemical Engineering - Materials and Construction - Discussion
Discussion Forum : Materials and Construction - Section 1 (Q.No. 11)
11.
The main purpose of galvanising iron sheets is to
Discussion:
1 comments Page 1 of 1.
KRR said:
4 years ago
Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal. Zinc is more reactive than iron, so it oxidises in preference to the iron object.
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