Corrosion Principles

Course on Corrosion Basic Principles

Multimedia Course on CORROSION BASIC PRINCIPLES
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DETAILED CONTENTS: Corrosion Basic Principles
(see Contents )



1. BASE THEORY
1.1 Introduction
The Corrosive Process
Direct and Indirect Damage
Corrosion Classification
1.2 Thermodynamic Aspects
Introduction
Anode
Cathode
Metal Conductor
Electrolyte
Corrosion Cell
Electromotive Force
Corrosion Rate
1.3 Kinetics Principles
Polarisation
Passivity
Cathodic Characteristic of Oxygen
1.4 Examples of Corrosion Cells
Introduction
Coupling of Different Materials
Exposure to Different Soils
Differentiated Aeration
Contact New and Old Pipe
1.5. Internal Corrosion Parameters
Introduction
Water Wetting Conditions
Hydrodynamic Conditions
Water Composition
Oxygen
Carbon Dioxide
Hydrosulphide
Sulphate-Reducing Bacteria
1.6. Corrosive Environments
Corrosion in Sea water
Corrosion in Soils
Atmospheric Corrosion

2. FORMS OF CORROSION
2.1. Types of Corrosion
Introduction
Uniform Corrosion
Localised Corrosion
Galvanic Corrosion
Crevice Corrosion
Pitting Corrosion
Stress Corrosion Cracking
Stress Corrosion Cracking
Hydrogen Induced Cracking
Intergranular Corrosion
Erosion - Corrosion
Welding and Corrosion
2.2. Real Cases (Cards)
Cards of Uniform Corrosion
Cards of Pitting Corrosion
Cards of Intergranular Corrosion
Cards of Crevice Corrosion
Cards of Stress Corrosion Cracking
Cards of Fatigue and Corrosion fatigue

3. INTRODUCTION TO CORROSION CONTROL
3.1. Protection from Internal Corrosion
Corrosion Inhibitors
Passivating Inhibitors
Filming Inhibitors
3.2. Passive Protection (Coatings)
Introduction
Metal coatings
Paints
Thick organic coatings
Coating properties
Surface preparation
Available coatings
3.3. Cathodic Protection
Principle of Cathodic Protection
Cathodic protection systems
Activation of cathodic Protection