Difference Between Erosion and Corrosion

Corrosion and Erosion both are a reaction in which a substance undergoes a change and forms a different substance. There are differences between these two and makes it an amazing scientific phenomenon.

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Erosion vs Corrosion

Erosion is a natural process in which the material changes its actual nature, whereas, in Corrosion, the material directly changes its chemical composition. Erosion occurs through natural agents, whereas Corrosion occurs due to corrosive agents. Erosion consists of various processes like weathering, dissolution, and transportation.

Erosion vs Corrosion

The natural forces work as agents in erosion. It is a physical process. It carries the particles to another location. Natural agents are wind, ice, and water.

Corrosion is a process in which the substance changes its composition during oxidation. It is an electrochemical process. The corrosion process occurs during oxidation.

Comparison Table

Parameters of ComparisonErosionCorrosion
Type Of ProcessNatural, physicalChemical
SurfaceLandMetal, polymer, or ceramics
AgentsNatural agents like water, ice, and windCorrosive agents like sulfates and oxygen.
StepsWeathering, transportation, and dissolutionGalvanic, crevice
Preventive MeasuresPlantation, terracingcoating of the surface.

What is Erosion?

A natural process that carries away the particles from one place to another. Erosion carries away the bare land particles, dry leaves loose particles of Earth’s surface.

The natural forces work as agents in erosion. It is a physical process. It carries the particles to another location.

Natural agents are wind, ice, and water. There are preventive measures for Erosion. Land reform techniques can be used.

Acid Rain is also a reason which makes erosion. It destroys the topsoil, due to which the particles of the soil become loose. It gets easily carried away by the wind particles.

Erosion

What is Corrosion?

Corrosion is a chemical process in which an actual component gets transformed. It corrodes, and the chemical composition of the component gets changed.

This process is irreversible. The agents which lead to corrosion are sulfates and oxygen. There are four types of Corrosion.

It takes place under atmospheric oxygen. The material gets transformed into a different chemical compound which is known as Rust.

Localized corrosion emphasizes some portion of the metal. The type of metal and environmental conditions influence corrosion.

Corrosion is led by corrosive agents. Metals lose their properties in the presence of atmospheric oxygen.

Corrosion

Main Differences Between Erosion and Corrosion

  1. Erosion is a natural process, whereas Corrosion is a chemical process.
  2. Erosion mainly happens on the surface of the land, whereas Corrosion happens on the metal surface.
  3. Erosion is led by natural agents, whereas Corrosion is led by corrosive agents.
Difference Between Erosion and Corrosion

References

  1. https://www.sciencedirect.com/science/article/pii/S0341816205001268
  2. https://www.osti.gov/biblio/7195167
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