Measure Corrosion By Electrochemical Impedance Spectroscopy
Published 10/2024
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz
Language: English | Size: 1.87 GB | Duration: 4h 12m
A practical approach to using electrochemical impedance spectroscopy, or EIS, for corrosion measurement and analysis.
What you'll learn
Understand EIS and how it can be used to study corrosion.
Understand processes contributing to EIS response, including polarization resistance, double layer capacitance, and electrolyte resistance.
Understand resistive and capacitive contributions to the EIS response of corroding surfaces.
Learn how to combine impedances in series and parallel.
Learn to measure EIS spectra and understand how corrosion processes affect EIS response shape.
Understand the impact of surface conditions and measurement settings on EIS results.
Learn to select suitable signal amplitude, potential, and frequency, and understand measurement effects on accuracy and time.
Construct and interpret equivalent circuit models for EIS spectra.
Recognize responses of individual circuit components and identify key spectral features.
Learn to fit EIS data using circuit models and extract meaningful insights.
Requirements
Basic understanding of corrosion processes (anodic and cathodic reactions, corrosion current)
Basic understanding of corrosion electrochemistry
Basic understanding of electrical concepts such as voltage, current and resistance