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Define different type of corrosion and explain electrochemical theory of corrosion.how will you protect corrosion?
Wiki User
∙ 14y ago
Types of corrosion
1. Induced corrosion due to chloride
2. Pitting
3. Corrosion due to Oxidation
4.Corrosion is due to dissimilar materials
5. Corrosion due to imbalanced electrovalency
In Electro-chemical theory,when two materials of different potential are in contact with each other through electrolyte, the two materials become, one is cathode and the other anode. The ions(electrons ) passes from anode deposited on cathode.
Protection methods:
1.Metallurgical method
2.Corrosion inhibitors
3 Coatings like paintings, epoxy application etc
4. Cathodic protection
5 Galvanisation
6 Balancing of of electrovalency of materials or reducing impurity
7 use of sacrificial anode
Wiki User
∙ 14y ago
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