Iron Corrosion Steel Corrosion, an introduction to the mechanism of Iron Corrosion and Steel Corrosion

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	Iron Corrosion
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	Iron Corrosion The oxygen in the air dissolves in the water and causes corrosion of Iron. There are always two distinct chemical reactions in a corrosion process, the basic chemistry of Iron corrosion is: 1) Anodic Dissolution of Iron that goes into solution (water) Fe -----> Fe²⁺ + 2e- 2) Cathodic Reduction of Oxygen dissolved into water O₂ + 2H₂O + 4e^-----> 4OH^- The final reaction is: Fe²⁺ + 2OH^- -----> Fe(OH)₂ Fe(OH)₂ will then reacts with oxygen to give iron oxides: Fe₂O₃ (red) and Fe₃O₄(black)