Question

difference between anodic metal coating and cathodic metals coatings

Answer 1

anondic means positively charged conductor and cathode negatively charged conductor. Thank you

Answer 2

Anodic and Cathodic metals coatings

Anodic metal coatings

• If the base metal is coated with metal which is anodic to it, it is called an anodic coating.
• It protects the base metal from corrosion.
• Failure of this coating causes the formation of galvanic cells.
• The well-known example of this type of coating is the coating of zinc on iron.

Cathodic metal coatings

• If the base metal is coated with metal which is cathodic to it, such a phenomenon is called a cathodic coating.
• Like anodic metal coatings, this type of coating prevents the metal from getting corroded.
• When this coating loses its strength, it causes imbalanced cathode and anode and causes corrosion at a severe rate.
• The best example of such type of coating is coating tin on iron.

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