Corrosion Engineering

1. Introduction to Corrosion Engineering

This section introduces the fundamental concepts of corrosion engineering and highlights its economic impact and safety implications in industrial and engineering systems. It also explains the electrochemical nature of corrosion and the importance of understanding corrosion mechanisms to reduce material degradation and improve the reliability of structures and equipment.

2. Electrochemical Thermodynamics and Electrode Potentials

This section focuses on the principles of electrochemical thermodynamics related to corrosion processes. It covers electrode sign conventions, electrode potentials, and the interpretation of potential–pH (Pourbaix) diagrams. Experimental techniques used for measuring electrode potentials and analyzing corrosion behavior are also discussed.

3. Electrochemical Kinetics of Corrosion

This section examines the kinetics of electrochemical corrosion reactions. Topics include the application of Faraday’s Law, mixed potential theory, and experimental methods used to study electrochemical reactions. It also introduces corrosion instrumentation and measurement techniques used in corrosion analysis.

4. Passivity and Passive Films on Metals

This section explores the phenomenon of passivity and the formation of protective passive films on metal surfaces. It discusses the properties of passive layers, their role in corrosion resistance, and methods used to evaluate alloy performance and investigate passive film behavior experimentally.

5. Polarization Methods for Corrosion Rate Measurement

This section presents polarization techniques used to determine corrosion rates. It includes methods such as Tafel extrapolation and polarization resistance techniques, along with the instrumental methods used in electrochemical testing and the use of commercial corrosion monitoring devices.

6. Forms of Corrosion and Prevention Methods

This section describes different forms of corrosion, including galvanic corrosion, concentration cell corrosion, pitting corrosion, and crevice corrosion. It covers the characteristics of each type, evaluation techniques, and practical strategies for corrosion prevention and control in engineering applications.