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This SpringerBrief utilizes a surface chemistry/physical chemistry approach toward the study of aqueous corrosion processes. The book starts with a timely and in-depth review of Acid-Base Properties of Surface Oxide Films. Acid-base properties are significant in various surface phenomena such as general and localized corrosion, corrosion inhibition by organic molecules, and the adhesion of organic polymers to oxide-covered metals. This review also discusses the relationship between the two measures of surface charge, the isoelectric point of the oxide film and the potential of zero charge of the oxide-covered metal. Other topics included are capillarity and corrosion, corrosion inhibition, passivity of Fe-Cr and Fe-Cr-Ni alloys, the uptake of chloride Ions and the pitting of aluminum, and the formation of water films on the iron oxide surface.

Surface Chemistry of Aqueous Corrosion Processes

Chapter 1.Acid-Base Properties of Surface Oxide Films INTRODUCTION Surface hydroxyl groups Nature of acidic and basic surface sites DETERMINATION OF ISOELECTRIC POINTS OF METAL OXIDES AND OXIDE FILMS Streaming potential measurement Contact angle measurements Surface reaction method of Simmons and Beard Ionic interaction model of Parks [26] XPS correlation method Measurement of near surface forces Numerical values of isoelectric point PITTING OF ALUMINUM Adsorption of Cl- on aluminum Electrode kinetics of pit initiation on aluminum Pitting potential of aluminum as a function of pH Pitting potential of aluminum as a function of Cl- concentration ACID-BASE INTERACTIONS IN METAL/POLYMER ADHESION Introduction Theories of polymer adhesion Acid-base nature of organic polymers Characterization of the acid-base properties of polymers. Metal/polymer adhesion tests Wet adhesion ACID-BASE EFFECTS IN CORROSION INHIBITION General effect of oxide films Mechanisms of interaction with oxide films Chelating compounds as corrosion inhibitors Hard and soft acids and bases Interaction of cations with oxide films RELATIONSHIP BETWEEN THE ISOELECTRIC POINT (pHpzc) AND THE POTENTIAL OF ZERO CHARGE (Epzc) FOR PASSIVE METALS General remarks Measurement of potentials of zero charge for passive metals Potential drop in the metal/oxide/electrolyte system Space charge side of the oxide/solution interface Solution side of the oxide/solution interface Numerical evaluation SUMMARY Chapter 2 Capillarity and Corrosion Introduction Capillarity Application to organic coatings Young and Laplace equation Force between glass plates Application to poultice corrosion Application to white rusting Chapter 3. A Recent Model of Passivity for Fe-Cr and Fe-Cr-Ni Alloys Fe-Cr alloys Fe-Cr-Ni alloys Chapter 4. Uptake of Chloride Ions and the Pitting of Aluminum Introduction Sequence of steps XPS studies Formation of blisters Localized corrosion cells Chapter 5. Formation of Water Films on the Iron Oxide Surface Introduction Experimental Formation of liquid-like layers Chapter 6. Corrosion Inhibition by Fluorinated Aliphatic Compounds Introduction Fluorinated carboxylic acids and amines Experimental results Formation of Water Films on the Iron Oxide Surface