A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Electrochemical Impedance Spectroscopy for Nondestructive Evaluation of Corrosion Processes
This chapter outlines the application of electrochemical impedance spectroscopy (EIS) to determine corrosion rate as well as to investigate corrosion mechanisms from the perspective of it being employed as a nondestructive technique (NDT). Some of the basic aspects of electrochemical interface representing some typical corroding systems are briefly outlined before discussing the application of EIS as an NDT. The main objective of data analysis is to extract elements of equivalent circuits. Analysis of EIS test data is done either through graphical analysis or fitting to some pre‐assigned electrical equivalent circuits. Coating capacitance, pore resistance, double layer capacitance, and polarization resistance are some of the most important parameters that are useful to evaluate the factors affecting coating performance. EIS technique is also powerful enough to determine charge carriers in passive films and therefore it is able to examine the role of alloying elements and the environment on passivity.
Electrochemical Impedance Spectroscopy for Nondestructive Evaluation of Corrosion Processes
This chapter outlines the application of electrochemical impedance spectroscopy (EIS) to determine corrosion rate as well as to investigate corrosion mechanisms from the perspective of it being employed as a nondestructive technique (NDT). Some of the basic aspects of electrochemical interface representing some typical corroding systems are briefly outlined before discussing the application of EIS as an NDT. The main objective of data analysis is to extract elements of equivalent circuits. Analysis of EIS test data is done either through graphical analysis or fitting to some pre‐assigned electrical equivalent circuits. Coating capacitance, pore resistance, double layer capacitance, and polarization resistance are some of the most important parameters that are useful to evaluate the factors affecting coating performance. EIS technique is also powerful enough to determine charge carriers in passive films and therefore it is able to examine the role of alloying elements and the environment on passivity.
Electrochemical Impedance Spectroscopy for Nondestructive Evaluation of Corrosion Processes
Singh, Raman (editor) / Raj, Baldev (editor) / Kamachi Mudali, U. (editor) / Singh, Prabhakar (editor) / Raja, V.S. (author)
2019-04-01
38 pages
Article/Chapter (Book)
Electronic Resource
English
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