NPTEL : NOC:Corrosion - Part II (Metallurgy and Material Science)

Co-ordinators : Dr. Kallol Mondal


Lecture 1 - Recap of Electrochemical Polarization

Lecture 2 - Recap of Electrochemical Polarization - Activation and Concentration Polarization

Lecture 3 - Electrochemical Polarization: Activation and Concentration Polarization, Tafel Equation

Lecture 4 - Activation and Concentration Polarization: Mixed Potential Theory

Lecture 5 - Concentration Polarization and Mixed Potential Theory

Lecture 6 - Explanation of Corrosion Processes on the basis of Mixed Potential Theory - Introduction

Lecture 7 - Explanation of Corrosion Processes on the basis of Mixed Potential Theory - Part 1

Lecture 8 - Explanation of Corrosion Processes on the basis of Mixed Potential Theory - Part 2

Lecture 9 - Explanation of Corrosion Processes on the basis of Mixed Potential Theory - Part 2 (Continued...)

Lecture 10 - Explanation of Corrosion Processes on the basis of Mixed Potential Theory - Part 3

Lecture 11 - Effect of Exchange Current Density on Corrosion Rate of an Active Metal

Lecture 12 - Area Effect of the Cathodic and Anodic Component - I

Lecture 13 - Area Effect of the Cathodic and Anodic Component - II

Lecture 14 - Explanation of Corrosion Processess on the Basis of Mixed Potential Theory: Numerical Analysis

Lecture 15 - Galvanic Coupling between Two Active Metals

Lecture 16 - Theory of Sacrificial Anode for the Protection of Steel Objects

Lecture 17 - Effect of two Active Metals on Fe-corrosion when they are Galvanically Coupled

Lecture 18 - Corrosion of Metals when Cathodic Protection is Concentration Controlled

Lecture 19 - Effect of Velocity on the Corrosion Rate of an Active Metal

Lecture 20 - Concentration Polarization and Activation Polarization: Numerical Analysis

Lecture 21 - Numerical Problems and Passivation

Lecture 22 - Theory of Passivation - I

Lecture 23 - Theory of Passivation - II

Lecture 24 - Interaction between Passivation and Pourbaix Diagram - I

Lecture 25 - Interaction between Passivation and Pourbaix Diagram - II

Lecture 26 - Passivity

Lecture 27 - Interaction of Cathodic Polarization with an Active-Passive Metal

Lecture 28 - Interaction of Anodic Polarization with an Active-Passive Metal

Lecture 29 - Passivation and Mixed Potential Theory: Case Studies

Lecture 30 - Passivation and Mixed Potential Theory: Case Studies (Continued...)

Lecture 31 - Effect of Galvanic Coupling between an Active-Passive Metal and a Noble Metal

Lecture 32 - Anodic Protection of an Active-Passive Metal and an Introduction of Linear Polarization

Lecture 33 - Linear Polarization and Understanding Relative Corrosion Resistance of a Metal

Lecture 34 - Oxidation of Metals and Alloys

Lecture 35 - Different Stages of Oxidation and Pilling Bedworth Ratio

Lecture 36 - Pilling Bedworth Ratio of Different Metal Oxides

Lecture 37 - Thermodynamics of Oxidation

Lecture 38 - Construction of Ellingham Diagram - I

Lecture 39 - Construction of Ellingham Diagram - II

Lecture 40 - Kinetics of Oxidation

Lecture 41 - Oxide Structure and Oxidation Mechanism