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This book covers the areas of electrochemical heterogeneity and electrode inhomogeneity and their effects on nonuniform electrode processes, in particular, localized corrosion. It covers the fundamentals, experimental methods, and engineering aspects of electrochemical heterogeneity. The coverage includes numerous case studies demonstrating engineering aspects of localized corrosion in industrial processes. In addition, it covers methods to quickly calculate corrosion rates and study electrode inhomogeneity and electrochemical heterogeneity. The text offers special focus on the wire beam…mehr

Produktbeschreibung
This book covers the areas of electrochemical heterogeneity and electrode inhomogeneity and their effects on nonuniform electrode processes, in particular, localized corrosion. It covers the fundamentals, experimental methods, and engineering aspects of electrochemical heterogeneity. The coverage includes numerous case studies demonstrating engineering aspects of localized corrosion in industrial processes. In addition, it covers methods to quickly calculate corrosion rates and study electrode inhomogeneity and electrochemical heterogeneity. The text offers special focus on the wire beam electrode method as a tool, representing a particular expertise of the author.
Sheds new light on the significance of electrode inhomogeneity and electrochemical heterogeneity A major contribution to the field of electrochemistry, this book--based on a thorough review of the literature and author Yongjun Tan's twenty years of pioneering research--examines electrochemical heterogeneity and its effects on non-uniform electrode processes. The book focuses on localized corrosion, uneven electrodeposition, and non-uniform electrodissolution. Readers will learn all the core fundamentals, experimental methods, and engineering aspects of localized corrosion and other important heterogeneous electrode processes. In particular, readers will learn core methods to quickly calculate corrosion rates and study electrode inhomogeneity and electrochemical heterogeneity. Heterogeneous Electrode Processes and Localized Corrosion begins with a review of homogeneous electrode models and uniform corrosion measurements and then explores probing electrode inhomogeneity, electrochemical heterogeneity, and localized corrosion. Next, the book examines: * Visualizing localized corrosion using electrochemically integrated multi-electrode arrays * Measuring thermodynamic and kinetic parameters of localized corrosion processes * Characterizing inhomogeneity and localized corrosion on coated electrode surfaces * Designing experiments to study localized corrosion and its inhibition in inhomogeneous media * Sensing localized electrodeposition and electrodissolution * Exploring versatile heterogeneous electrode processes Throughout the book, there are case studies with maps that illustrate key aspects of heterogeneous electrode processes. In addition, the author provides plenty of examples that enable readers to fully grasp core concepts of electrochemical heterogeneity and its relationship to non-uniform electrode processes. Reviewing the experimental findings presented in this book, electrochemists will gain a better appreciation and understanding of the fundamental significance of electrode inhomogeneity and electrochemical heterogeneity.
  • Produktdetails
  • Wiley Series in Corrosion Nr.13
  • Verlag: John Wiley & Sons / WILEY
  • Seitenzahl: 246
  • Erscheinungstermin: 28. November 2012
  • Englisch
  • Abmessung: 236mm x 155mm x 20mm
  • Gewicht: 522g
  • ISBN-13: 9780470647950
  • ISBN-10: 0470647957
  • Artikelnr.: 36142138
Autorenporträt
YONGJUN TAN is currently Associate Professor of Applied Electrochemistry and Corrosion Technology at Deakin University, Australia. Dr. Tan invented the wire beam electrode method and developed a localized corrosion probe. He has contributed to the development of the electrochemical noise analysis technique and the understanding of noise signatures. Dr. Tan has authored or coauthored more than 100 scientific and technical publications in the fields of electrochemistry and corrosion science.
Inhaltsangabe
Preface ix 1. Homogeneous Electrode Models and Uniform Corrosion Measurements 1 1.1 Homogeneous electrodes and traditional electrochemical methods 3 1.2 Mixed electrodes and uniform corrosion models 7 1.3 The mixed potential theory and electrochemical corrosion measurement 10 1.4 Electrochemical impedance investigation of electrode
solution interface 19 1.5 Electrochemical noise monitoring of rapid electrode processes 26 1.6 Issues and difficulties in traditional electrochemical methods 31 References 32 2. Probing Electrode Inhomogeneity, Electrochemical Heterogeneity and Localized Corrosion 37 2.1 Probing electrode inhomogeneity 39 2.2 Probing electrochemical heterogeneity and localized corrosion 44 2.3 Overview of various techniques for probing localized corrosion 48 References 61 3. Visualizing Localized Corrosion Using Electrochemically Integrated Multielectrode Arrays 67 3.1 An electrochemically integrated multielectrode array: The wire beam electrode 70 3.2 Visualizing the progression of localized corrosion in an Evans water drop 76 3.3 Visualizing localized corrosion in environments with ion concentration gradients 84 3.4 Visualizing localized corrosion by the WBE in conjunction with scanning probes 91 References 99 4. Measuring Thermodynamic and Kinetic Parameters from Localized Corrosion Processes 101 4.1 Methods of probing localized corrosion thermodynamics and kinetics 103 4.2 Measuring localized corrosion using the overpotential
galvanic current method 109 4.3 Measuring localized corrosion using the galvanic current method 120 4.4 Measuring localized corrosion using the Rn
WBE method 125 References 131 5. Characterizing Inhomogeneity and Localised Corrosion on Coated Electrode Surfaces 135 5.1 Characterising inhomogeneities in organic coatings and inhibitor films 137 5.2 Characterising inhomogeneity in organic coatings using the WBE method 141 5.3 The effects of coating inhomogeneity on electrochemical measurement 145 5.4 Visualisng underfilm corrosion and the effects of cathodic protection 148 5.5 Studying corrosion protection by coatings and cathodic protection 155 References 157 6. Designing Experiments for Studying Localized Corrosion and Its Inhibition in Inhomogeneous Media 161 6.1 Basic issues in localized corrosion and inhibitor test design 162 6.2 Fundamental considerations in selecting corrosion measurement techniques 165 6.3 Designing corrosion tests in highly
resistive and inhomogeneous media 168 6.4 Case studies: Designing crevice corrosion tests by means of the WBE 181 6.5 Case study: Designing experiments for localized corrosion inhibitor discovery 186 References 190 7. Sensing Localized Electrodeposition and Electrodissolution195 7.1 Experimental methods for sensing localized electrodeposition and dissolution 197 7.2 Sensing localized electrodeposition using the WBE 200 7.3 Sensing localized electrodissolution using the WBE 204 7.4 Sensing nonuniform electrochemical deposition of organic coatings 211 References 216 8. Versatile Heterogeneous Electrode Processes 219 8.1 Scanning and modeling various heterogeneous electrode processes 222 8.2 Electrochemical noise generation from electrochemical heterogeneity 225 8.3 Harvesting electrical power from electrochemical using the WBE 231 8.4 Further research issues on electrochemical heterogeneity 237 References 238 Index 243