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Corrosion, 1. Electrochemical

  1. Hubert Gräfen,
  2. Elmar-Manfred Horn,
  3. Hartmut Schlecker,
  4. Helmut Schindler

Published Online: 15 OCT 2011

DOI: 10.1002/14356007.b01_08.pub2

Ullmann's Encyclopedia of Industrial Chemistry

Ullmann's Encyclopedia of Industrial Chemistry

How to Cite

Gräfen, H., Horn, E.-M., Schlecker, H. and Schindler, H. 2011. Corrosion, 1. Electrochemical. Ullmann's Encyclopedia of Industrial Chemistry. .

Author Information

  1. Bayer AG, Leverkusen, Germany

Publication History

  1. Published Online: 15 OCT 2011

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Abstract

The article contains sections titled:

1.Introduction
2.Basic Electrochemistry
2.1.Electrochemical Equilibrium
2.2.Electrochemical Kinetics
2.2.1.Corrosion Elements
2.2.2.Mixed Electrode and Mixed Potential
2.2.3.Overpotential and Polarization
2.3.Current Density - Potential Curves
2.4.Hydrogen Overpotential and Acid Corrosion
2.5.Oxygen Overpotential and Oxygen Corrosion
2.6.Protective Film Formation and Passivity
3.Types of Electrolytic Corrosion
3.1.Uniform and Nonuniform Surface Corrosion
3.2.Forms of Localized Corrosion without Applied Mechanical Stress
3.2.1.Pitting Corrosion
3.2.2.Crevice Corrosion
3.2.3.Selective Corrosion
3.2.3.1.Intergranular Corrosion
3.2.3.2.Spongiosis
3.2.3.3.Dezincification
3.2.3.4.Line- and Layer-Type Corrosion
3.3.Forms of Local Corrosion under Mechanical Stress
3.3.1.Stress Corrosion Cracking
3.3.1.1.Unalloyed and Low-Alloy Steels
3.3.1.2.Stainless Steels
3.3.1.3.Nonferrous Metals
3.3.1.4.Special Types of Stress Corrosion Cracking
3.3.1.5.Hydrogen-Induced Cracking at Low Temperatures
3.3.1.6.Hydrogen Corrosion at Elevated Temperatures
3.3.2.Corrosion Fatigue
3.3.3.Differentiation Between Types of Corrosion Cracking