Corrosion (presentation)

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Factors Affecting Galvanic

Corrosion

• Oxygen concentration of the electrolyte

• Temperature

• Conductivity of the electrolyte

• Cathode/anode surface area

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Factors Affecting Galvanic Corrosion • Oxygen concentration of the electrolyte • Temperature • Conductivity of the electrolyte • Cathode/anode surface area

Pitting and Crevice Corrosion Electrolyte (H 2 O plus dissolved oxygen) Scale Metal Region where pit will form

Page 1 and 2: Corrosion
Page 3 and 4: Uniform Corrosion • Can be a good
Page 5 and 6: Galvanic Corrosion • Chemical rea
Page 7: Cathodic Protection • Each metal
Page 11 and 12: Erosion Corrosion • Flow removes
Page 13 and 14: Microbiologically Induced • Bacte
Page 15 and 16: SOLUBILITY OF Fe 3O 4 (µg Fe/kg H
Page 17 and 18: Dissolved Oxygen HTS • Oxygen is
Page 19 and 20: pH Secondary Side • pH controlled
Page 21 and 22: Conductivity Secondary Side • Con
Page 23 and 24: Moderator Over Poisoned • pH 4-6
Page 25 and 26: Flakes Sludge and Scale Scale Boile

Corrosion (presentation)

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