Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Teaching & Learning Packages The Nernst Equation and Pourbaix Diagrams Aims
The Nernst Equation and Pourbaix Diagrams AimsBefore you startIntroductionBackgroundThe Nernst equationConstruction of a Pourbaix DiagramAnatomy of a Pourbaix DiagramExamples of a Pourbaix DiagramConstructing a 3D Pourbaix DiagramSummaryQuestionsGoing further
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Aims

On completion of this TLP you should be able to:

  • Introduce and explain the basic ideas of electrochemistry, including electrochemical potentials, half cell reactions and equilibria.
  • Describe the mechanisms of aqueous corrosion
  • Derive the Nernst equation and show how it can be used to derive Pourbaix diagrams.
  • Explain the information contained in a Pourbaix diagram, and demonstrate how this can be used to predict corrosion behaviour.
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