Corrosion : Factors Affecting Corrosion (Chapter 1) (Animation)

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  • Опубліковано 19 сер 2024
  • #Corrosion #Kineticschool
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    CORROSION:
    Corrosion is the deterioration of materials as a result of reaction with its environment
    Or we can also say that, Corrosion is the destructive attack of a metal by CHEMICAL or ELECTROCHEMICAL reaction with the environment.
    Examples:
    • Rust on iron
    • Blue-Green color on Copper
    • Tarnish on Silver
    Factor influencing Corrosion:
    ◉ Position of Metals in Electrochemical Series
    ◉ Presence of Electrolytes
    ◉ Impurities in Metals
    ◉ Difference of Temperature
    ◉ Concentration of Oxygen
    Corrosive Environment:
    • Water (Fresh, Distilled, Rain or Salt)
    • Steam and Gas (H2S, NH3, Cl, SO2, NOx)
    • Air and Humidity
    • Atmosphere (Rural, Industrial, Marine, Urban)
    • Chemicals (Acids, Alkalies)
    • Soils

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