Passivation Ceasefire and Film Saboteurs

One mechanism from Chapter 7: Corrosion.

flowchart TD
    M["Bare metal corrodes"] --> P["Passive film forms (raises resistance)"]
    P --> S{"Film saboteur attacks?"}
    S -->|"Flow and erosion"| B["Film stripped, anode exposed"]
    S -->|"Acid lowers pH"| B
    S -->|"Chloride penetrates"| B
    S -->|"Sulfate (chemical and SRB)"| B
    S -->|"No"| P
    B --> PIT["Localized pitting accelerates"]

Diagrams · The Big Picture · Chapter 7