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Metal electropolishing is an electrochemical process that removes a controlled amount of metal from a workpiece's surface, resulting in improved surface finish and enhanced corrosion resistance. Here's a simple explanation:

Preparation:

The metal workpiece is thoroughly cleaned to remove contaminants and ensure a clean surface.

Electrolyte Bath:

The workpiece is immersed in an electrolyte bath, typically containing a mixture of acids.

Electric Current:

A direct electric current is applied between the workpiece (anode) and a cathode. The metal ions on the workpiece's surface are dissolved into the electrolyte.

Material Removal:

Metal is selectively removed from the outer surface, resulting in a smoother and more polished finish.

Improved Surface Finish:

Electropolishing provides a mirror-like surface finish by leveling microscopic peaks and valleys on the metal surface.

Deburring:

The process also helps in removing burrs, sharp edges, and other surface irregularities.

Corrosion Resistance:

Electropolishing can enhance the corrosion resistance of the metal by creating a passive oxide layer.

Applications:

Used in industries such as aerospace, medical, and electronics for finishing components with high aesthetic and functional requirements.

Advantages:

Improves surface smoothness and brightness.

Enhances corrosion resistance.

Provides a clean and uniform appearance.

In simple terms, metal electropolishing is an electrochemical process that selectively removes material from the surface of a metal workpiece, resulting in a smooth, polished finish with improved corrosion resistance.

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