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Thermodynamics of Corrosion: Pourbaix Diagrams

  • E. McCafferty
Chapter

Abstract

Marcel Pourbaix has developed a unique and concise method of summarizing the corrosion thermodynamic information for a given metal in a useful potential–pH diagram. These diagrams indicate certain regions of potential and pH where the metal undergoes corrosion and other regions of potential and pH where the metal is protected from corrosion. Such diagrams are usually called “Pourbaix diagrams” but are sometimes called “equilibrium diagrams” because these diagrams apply to conditions where the metal is in equilibrium with its environment. Pourbaix diagrams are available for over 70 different metals 1.

Keywords

Electrode Potential Hydrogen Embrittlement Nernst Equation Solid Solution Alloy Lower Corrosion Rate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • E. McCafferty
    • 1
  1. 1.AlexandriaUSA

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