	DoITPoMS Teaching and Learning Packages


DoITPoMS > TLP Library > Kinetics of Aqueous Corrosion

Kinetics of Aqueous Corrosion

This teaching and learning package (TLP) introduces the mechanism of aqueous corrosion and the associated kinetics.

Mild steel corroding in deionised water in the presence of ferroxyl indicator. Blue indicates the presence of Fe2+ ions and pink represents an alkaline region.

Aims
Before you start
Introduction
What’s Going On? The Mechanism of Aqueous Corrosion
When a Metal Corrodes - the Electrical Double Layer
The Energy Landscape
Kinetics of Corrosion – the Tafel Equation
The Tafel Plot
Diffusion Limited Corrosion
Passivation
Predicting Corrosion Rates
Corrosion Control
Summary
Questions
Going further

begin

Mild steel corroding in the presence of ferroxyl indicator. Blue indicates the presence of Fe²⁺ ions and pink represents an alkaline region.

First created: 7 August 2009.



© University of Cambridge DoITPoMS, Department of Materials Science and Metallurgy, University of Cambridge Information provided by doitpoms@msm.cam.ac.uk. Except where otherwise noted, content on this page is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales Licence.