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Course Co-ordinated by :
IIT Kanpur
Course Available from :
14-August-2013
NPTEL
Metallurgy and Material Science
Environmental Degradation of Materials (Video)
Modules / Lectures
Environmental Degradation of Materials
Lecture-01 Introduction, Basic definition of corrosion
Lecture-02 Forms of Degradation, Thermodynamics of corrosion
Lecture-03 Thermodynamics of corrosion
Lecture-04 Thermodynamics of corrosion
Lecture-05 Thermodynamics of corrosion, Electrochemical series, Concentration cell
Lecture-06 Reduction Potential series, Pourbaix diagram
Lecture-07 Pourbaix diagram
Lecture-08 Pourbaix diagram
Lecture-09 Pourbaix diagram, Kinetics of corrosion
Lecture-10 Kinetics of corrosion, Rate expression, Solved problems
Lecture-11 Solved problems on the corrosion rate, Exchange current density
Lecture-12 Exchange current density, Polarization, Activation Polarization, Tafel Equation
Lecture-13 Activation Polarization, Concentration Polarization
Lecture-14 Concentration Polarization, Mixed Potential Theory
Lecture-15 Mixed Potential Theory, Explanation of corrosion events on the basis of Mixed potential theory, Galvanization
Lecture-16 Explanation of corrosion events on the basis of Mixed potential theory, Effect of impurity, Effect of area factor
Lecture-17 Explanation of corrosion events on the basis of Mixed potential theory, Effect of area factor, Concentration polarization, Passivation
Lecture-18 Passivation and Mixed potential theory
Lecture-19 Passivation and Mixed potential theory
Lecture-20 Different corrosion protection mechanisms, electrochemical ways of protection, cathodic protection
Lecture-21 Cathodic and anodic protection
Lecture-22 Anodic protection, Forms of corrosion, Factors of corrosion
Lecture-23 Forms of corrosion, Uniform Corrosion, Galvanic corrosion
Lecture-24 Galvanic corrosion
Lecture-25 Crevice corrosion
Lecture-26 Crevice corrosion, Pitting corrosion
Lecture-27 Pitting corrosion, Intergranular corrosion
Lecture-28 Intergranular corrosion, Dealloying
Lecture-29 Dealloying, Erosion corrosion
Lecture-30 Erosion corrosion, Cavitation
Lecture-31 Cavitation, Fretting corrosion, corrosion cracking
Lecture-32 Stress corrosion cracking: mechanisms(dissolution controlled)
Lecture-33 Stress corrosion cracking: mechanisms(cleavage controlled), factors affecting SCC, hydrogen embrittlement, corrosion fatigue
Lecture-34 Biologically influenced corrosion, liquid metal attack
Lecture-35 Corrosion protection, change of materials, effect of design of component
Lecture-36 Corrosion protection, change of environment, Inhibitors, coatings
Lecture-37 Oxidation and hot corrosion, pitting Bedworth ratio, thermodynamics of oxidation
Lecture-38 Thermodynamics of oxidation, Ellingham diagram, oxidation kinetics and laws
Lecture-39 Oxide structure and Oxidation
Lecture-40 Hot corrosion, corrosion testing and failure analysis, linear polarization
Lecture-41 Degradation of composites, polymers and ceramics, corrosion and society
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Concepts covered in this lecture :
Introduction, Basic definition of corrosion
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