Steelwork Corrosion Control

Description

Basic guide to the principles involved and methods of achieving sound steel protection. Content: Book Cover Half-Title Title Copyright Preface Contents CHAPTER 1 Introduction CHAPTER 2 The Corrosion of Steel 2.1 CORROSION. THE BASIC PROCESS 2.2 THE ELECTROCHEMICAL NATURE OF CORROSION 2.3 CORROSION TERMINOLOGY 2.3.1 Potential 2.3.2 Polarisation 2.3.3 Passivity 2.4 CORROSION IN AIR 2.4.1 Steel Composition 2.4.2 Rust 2.5 CORROSION IN WATER 2.5.1 Composition of Water 2.5.2 Operating Conditions 2.5.3 Steel Composition 2.5.4 Corrosion Rates of Steel in Water 2.6 CORROSION IN SOIL 2.7 BACTERIAL CORROSION REFERENCES FURTHER READING CHAPTER 3 Surface Preparation3.1 STEEL SURFACE CONTAMINANTS AND CONDITIONS 3.1.1 Oil and Grease 3.1.2 Millscale 3.1.3 Surface Cleanliness 3.1.3.1 Rust 3.1.3.2 Water-Soluble Contaminants 3.1.3.3 Non-Water-Soluble Contaminants 3.1.4 Roughness 3.1.5 Surface Defects and Welds 3.2 SURFACE PREPARATION METHODS 3.2.1 Degreasing 3.2.1.1 Liquid Solvent Cleaning 3.2.1.2 Solvent Vapour Cleaning 3.2.1.3 Alkaline Cleaning 3.2.1.4 Detergents 3.2.2 Hand-and Power-Tool Cleaning 3.2.3 Abrasive Blast-Cleaning 3.2.3.1 Air Blast-Cleaning 3.2.3.2 Vacuum Blast-Cleaning 3.2.3.3 Centrifugal Blast-Cleaning3.2.3.4 Wet Blasting 3.2.3.5 Abrasives for Cleaning Steel 3.2.4 Innovative Methods 3.2.5 Flame Cleaning 3.2.6 Pickling 3.2.6.1 Inhibitors 3.2.6.2 Hydrogen Embrittlement 3.2.6.3 Pickling Procedures REFERENCES CHAPTER 4 Paints and Paint Coatings 4.1 GENERAL REQUIREMENTS 4.2 THE NATURE OF PAINT 4.2.1 Paint Systems 4.2.1.1 Priming Coat 4.2.1.2 Undercoats 4.2.1.3 Finishing Coat 4.3 PROTECTION BY PAINT FILMS 4.3.1 Zinc-rich Pigments 4.3.2 Inhibitive Pigments 4.3.3 Barrier Coatings 4.4 PROPERTIES OF PAINT FILMS 4.4.1 Adhesion4.4.2 Flexibility 4.4.3 Hardness 4.4.4 Abrasion Resistance 4.4.5 Permeability 4.4.6 Resistance to Microorganisms 4.4.7 Ageing of Paint Films 4.5 PAINT FILM FORMATION 4.6 BINDERS 4.6.1 Oxidation Type 4.6.1.1 Tung Phenolic 4.6.1.2 Alkyds 4.6.1.3 Epoxy Esters 4.6.2 Solvent Evaporation Type 4.6.2.1 Chlorinated Rubber 4.6.2.2 Vinyls 4.6.2.3 Acrylated Rubber 4.6.2.4 Bitumen 4.6.3 Chemically Reacting Type 4.6.3.1 Epoxy 4.6.3.2 Polyurethanes 4.6.3.3 Other Binders 4.7 PIGMENTS 4.7.1 Inhibitive Pigments 4.7.2 Other Pigments 4.7.3 Extenders 4.8 SOLVENTS4.9 PAINT CLASSIFICATION 4.9.1 Oil-based and oleo-resinous paints (oxidation drying) 4.9.2 Solvent Evaporation Paints 4.9.2.1 Chlorinated-Rubber Paints 4.9.2.2 Acrylated-Rubber Paints 4.9.2.3 Vinyl Paints 4.9.2.4 Bituminous Coatings 4.9.3 Chemical Reaction Paints 4.9.3.1 Epoxies 4.9.3.2 Coal-Tar Epoxies 4.9.3.3 Two-Pack Polyurethanes 4.9.3.4 Urethane Pitches 4.9.3.5 Moisture-Curing Urethanes 4.9.4 Zinc-Rich Coatings 4.9.4.1 Organic Zinc-Rich Paints 4.9.4.2 Inorganic Zinc-Rich Paints 4.9.5 Compatibility of Different Paints