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Passivation (chemistry) facts for kids

Kids Encyclopedia Facts

In physical chemistry and engineering, passivation, refers to a material that becomes less affected by corrosion. Passivation involves making an outer layer out of a material that is less affected by corrosion. The material is put on as a microcoating. Passivation can only occur in certain conditions. It is used in microelectronics.

Images for kids

  • Tempering standards used in blacksmithing

    Tempering colors are produced when steel is heated and a thin film of iron oxide forms on the surface. The color indicates the temperature the steel reached, which made this one of the earliest practical uses of thin-film interference.

  • Pre and post passivation

    The fitting on the left has not been passivated, the fitting on the right has been passivated.

  • Anodized titanium table

    Relation between voltage and color for anodized titanium.

See also

Kids robot.svg In Spanish: Pasivación para niños

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