Erosion vs Corrosion: Difference and Comparison

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


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Key Takeaways

  1. Erosion is the gradual wearing away of a material by the forces of nature, such as wind, water, and ice. At the same time, corrosion is the deterioration of a material caused by chemical reactions to its environment.
  2. Erosion can occur on any surface exposed to the elements, while corrosion is more likely to occur on metal surfaces exposed to moisture and corrosive substances.
  3. Erosion can cause physical changes to the surface of a material, while corrosion can cause changes in the material’s chemical composition.

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 biological 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. Biological 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
AgentsBiological 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 out the bare land particles, and 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 causes erosion. It destroys the topsoil, due to which the particles of the soil become loose. It gets easily carried away by the wind particles.


What is Corrosion?

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

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

Corrosive agents lead to corrosion. Metals lose their properties in the presence of atmospheric oxygen.


Main Differences Between Erosion and Corrosion

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