Corrosion Prevention Methods | Prevention Methods of Corrosion | How to Prevent Corrosion

Corrosion Prevention Methods:

Corrosion is a process of formation of the compound of pure metal by the chemical reaction between metallic surface and environment.

It is an oxidation process, causes loss of metal, and hence the disintegration of a metal by its surrounding chemicals through a chemical reaction on the surface of the metal is called corrosion.

 

There are six types of Prevention of Corrosion Methods: 

1. Environmental Modifications
2. Metal Selection and Surface Conditions
3. Cathodic Protection
4. Corrosion Inhibitors
5. Coating
6. Plating

Environmental Modifications: Methods to reduce the sulfur Chloride or Oxygen content in the surrounding environment can limit the speed of metal corrosion.

For Example, we can feed water for water boilers with softeners or other chemical media to adjust the hardness, alkalinity or oxygen content to reduce corrosion on the unit interiors.

Cathodic Protection: This method is known as a sacrificial system, which uses metal nodes introduced to the electrolytic environment. to sacrifice themselves (Corrode) to protect the cathode.

 

Plating: There are four types of Platings:

1. Electroplating
2. Hot dipping
3. Electroless plating
4. Mechanical Plating

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