Novel Electrochemical Techniques in Corrosion Research
2013
The sections in this article are
Introduction
Experimental Investigation of Corrosion Reactions by Analysis of the Corrosion Products
Experimental Investigation of Corrosion Reactions by Following the Chemical Reaction Rate
Experimental Investigation of Corrosion Reactions by Following the Rate of the Electrochemical Corrosion Reaction
Electrochemical Impedance Spectroscopy and Noise Analysis
Introduction
The Principle of Dynamic System Analysis
Measurement of the Electrochemical Impedance
Presentation of Impedance Data
Interpretation of Impedance Data
The Polarization Resistance
Frequency Dispersion
Surface Inhomogeneities
Single Layer Impedance Model
Sandwich Layer Impedance Model
Equivalent Circuit Versus Transfer Function
The Transport Impedance
Iron Corrosion in Neutral Solution
Impedance Model of Passive Films
Metal Dissolution and Active-to-Passive Transition
Electrochemical Noise
Noise Sources in Electrochemical Systems
Noise Measurement Techniques
Data Processing
Noise Resistance and Polarization Resistance
The Scanning Vibrating Electrode Technique
Introduction
History of Scanning Reference Electrodes
Basic Principles of Localized Potential Mapping
Localized Electrochemical Impedance Spectroscopy (LEIS)
Applications of Modern Scanning Electrode Techniques
Local Breakdown of Passivity
Galvanic Corrosion
Inhibition
Microbiologically Influenced Corrosion
Protective Polymeric Coatings
Concluding Remarks
Scanning Kelvinprobe
Introduction
Theory of the Vibrating Condenser Method
The Relation between the Volta Potential Difference and Corrosion-Relevant Properties
Electrolyte Covered Metal Surfaces
Metals in Humid Air
Polymer-Coated Metals
Calibration of the Kelvinprobe
Application of the Kelvinprobe: Atmospheric Corrosion
Experimental
Results
Application of the Kelvinprobe: Corrosion Protection by Organic Coatings
Experimental
Polymer-Coated Steel
Polymer Coated Galvanized Steel
Polymer Coated Aluminum Alloys
Industrial Coatings
Application of the Kelvinprobe: Corrosion Protection by Modified Metal Surfaces
Metal Surfaces Modified by Monolayers of Organic Molecules
Metal Surfaces Modified by Ultra-Thin Plasma Polymers
Metal Surfaces Modified by Inorganic and Organic Layers
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