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Surface Area Impact

Last updated: July 19, 2024

What Does Surface Area Impact Mean?

Surface area impact is the reaction rate of surface area reactants, transforming these into powder. This can result in dangerous combustible powders, such as custard powder.

The surface area impact can increase chemical reaction rate, which is usually done by grinding solid reactions or cutting it into tiny pieces. This leads to higher collision or hastened chemical reactions.

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Corrosionpedia Explains Surface Area Impact

When metals freely corrode, the electrons that are formed on the anodic area pass through the material itself, particularly in cathodic areas, in order to restore the electrical system's balance. With this, no charges accumulate on the surface undergoing corrosion. This is very important in studying and reducing corrosion.

Although there are equal levels of cathodic and anodic currents in the surface, this does not mean that the existing current densities are also equal. A difference in the surface area impact in the areas occupied by the reactions should be compensated as well by current density inequalities, otherwise collision and damage occur.

Understanding surface area impact is essential for industries that have to deal with local cell corrosion like stress corrosion cracking (SCC) and pitting corrosion. In such cases, surface area impact is one of the major aggravating factors in corrosion.

For instance, when copper and steel plates are joined in a corrosive electrolyte or solution, there is lower current density on the copper with mild cathodic protection. On the other hand, the current density on the steel is high, resulting in high-impact corrosion resulting in a vicious type of corrosion known as galvanic corrosion.

Thus, accurate monitoring of surface area impact and circuit potential is vital in order to predict the possible corrosive effects.

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