• Coating is a covering that is applied to an object.

  • The aim of applying coatings is to improve surface properties of a bulk material usually referred to as a substrate.

  • One can improve amongst others appearance, adhesion, wetability, corrosion resistance, wear resistance, and scratch resistance.

  • They may be applied as liquids, gases or solids.

  • Examples:
    • Anodizing
    • Electroless Plating
    • Electroplating
    • Painting
    • Teflon Coating
    • Thermal Spray
    • Vacuum
    • Metalizing