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Corrosion: Aqueous Processes and Passive Films deals with the aqueous corrosion of passive films. Pitting and stress corrosion are discussed at length, along with repassivation kinetics and the corrosion resistance of amorphous (or glassy) alloys. The corrosion of anodized films and dental alloys are also considered. Comprised of seven chapters, this volume begins with a discussion on pitting corrosion and three types of pitting, namely, electrochemical depassivation, chemical depassivation, and etch pitting. The reader is then introduced to the theoretical aspects of the corrosion of glassy alloys as well as their resistance to uniform corrosion; localized corrosion; stress corrosion cracking and hydrogen embrittlement; and applications of corrosion-resistant glassy alloys. Subsequent chapters explore stress corrosion cracking; repassivation kinetics; the nature of anodic films on aluminum, with emphasis on the anodic polarization of aluminum in appropriate solutions; and the corrosion of dental materials. The book concludes by evaluating the use of alternating current techniques in the study of corrosion and passivity. This monograph will be of interest to engineers, metallurgists, and materials scientists.
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978-1-4832-2011-6 (9781483220116)
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List of ContributorsPreface1 Pitting Corrosion I. Localized Corrosion II. Pitting Corrosion References2 The Corrosion Resistance of Glassy Alloys I. Introduction II. Theoretical Aspects of the Corrosion of Glassy Alloys III. Resistance to Uniform Corrosion IV. Localized Corrosion V. Stress Corrosion Cracking and Hydrogen Embrittlement VI. Applications VII. Acknowledgements References3 Stress Corrosion Cracking I. Introduction II. Testing for Stress Corrosion Cracking III. General Mechanistic Features IV. Alloy Systems V. Additional Mechanistic Features VI. Conclusion References4 Repassivation Kinetics I. Curve Fitting of Total Anodic Current Decay Kinetics II. Optical Methods for Determination of Coverage III. Metal Dissolution Kinetics Using Rotating Ring Disc Voltammetry References5 Anodic Films on Aluminium I. Introduction II. The Nature of the Aluminium Surface III. Interaction of Aluminium and its Film with Aggressive and Inhibitor Anions IV. Anodic Film Formation on Aluminium V. Barrier-Type Anodic Films VI. Porous Anodic Film Formation on Aluminium VII. Different Types of Porous Anodic Film VIII. Electrolytic Colouring of Porous Anodic Films IX. Sealing of Anodic Films X. Conclusions Acknowledgements References6 The Corrosion of Dental Materials I. Review of Materials and Applications II. The Environment III. Dental Casting and Wrought Alloys IV. Dental Amalgam V. Galvanic Interactions Between Restorations VI. Summary Acknowledgement References7 The Use of a.c. Techniques in the Study of Corrosion and Passivity List of Symbols I. Introduction II. The Electrode Impedance III. Experimental Devices IV. The Study of Corrosion Processes V. The Study of the Passivation Process ReferencesSubject IndexContents of Previous Volumes