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Course11310408241 lectures

Corrosion - Part I

Prof. Kallol Mondal · IIT Kanpur

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Lectures

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  1. Lecture -1: Introduction to corrosion - I Video
  2. Lecture-2: Introduction to corrosion - II Video
  3. Lecture-3: Types and forms of corrosion Video
  4. Lecture-4: Uniform and Galvanic corrosion Video
  5. Lecture-5: Crevice and Pitting corrosion Video

Week-II

  1. Lecture-6 Forms of corrosion: Explanation with Examples Video
  2. Lecture-7 Electrochemical Nature of Corrosion and its Thermodynamics Video
  3. Lecture-8 Thermodynamics aspects of corrosion-I Video
  4. Lecture-9 Thermodynamics aspects of corrosion-II Video
  5. Lecture-10 Thermodynamics aspects ofcorrosion-III Video

Week-III

  1. Lecture-11: Relation Between Free Energy and Equilibrium Constant Video
  2. Lecture-12: Derivation of Nernst Equation Video
  3. Lecture-13: Standard Reduction Potential Series for Pure Metals Video
  4. Lecture-14: Reduction Potentials in Acidic and Neutral Solutions Video
  5. Lecture-15: Nernst equation in terms of pH Video

Week-IV

  1. Lecture-16: Limitations of Standard Reduction Potential Series of Pure Metals Video
  2. Lecture-17: Concentration Cell Formation and Galvanic Series Video
  3. Lecture-18: Examples of Concentration cell and Spontaneity of Corrosion Process Video
  4. Lecture-19: Spontaneity of Corrosion Process and Introduction to Pourbaix Diagram Video
  5. Lecture-20: Construction of Pourbaix Diagram Video

Week-V

  1. Lecture 21-Construction of Pourbaix diagram for Ni-H2O system-I Video
  2. Lecture 22-Construction of Pourbaix diagram for Ni-H2O system-II Video
  3. Lecture 23-Construction of Pourbaix diagram for Ni-H2O system-III Video
  4. Lecture 24- Pourbaix diagram of Ni-H2O and AI-H2O Video
  5. Lecture 25-Inferences from Pourbaix diagram of Fe-H2O and AI-H2O Video

Week-VI

  1. Lecture 26 : Estimation of Corrosion Rate - I Video
  2. Lecture 27: Estimation of Corrosion Rate - II Video
  3. Lecture 28: Estimation of corrosion Rate -III Video
  4. Lecture 29: Exchange current Density Video
  5. Lecture 30: Exchange current Density and Standard hydrogen electrode Video

Week-VII

  1. Lecture 31: Electrical Double Layer and Polarization Video
  2. Lecture 32: Correlation between Current Density and Overvoltage Video
  3. Lecture 33: Introduction to Buttler-Volmer Equation Video
  4. Lecture 34: Derivation of Tafel Equation Video
  5. Lecture 35: Tafel Plot and Activation Polarization Video

Week-VIII

  1. lecture-36 Activation polarization, concentration polarization and total polarization Video
  2. Lecture-37 Summary of concentration polarization (CP) and introduction to mixed potential theory-I Video
  3. Lecture-38 Mixed potential theory-II Video
  4. Lecture-39 Understanding of mixed potential theory through the case studies and events of corrosion-I Video
  5. Lecture 40 Understanding of mixed potential theory through the case studies and events of corrosion-II Video
  6. Lecture 41 Understanding of mixed potential theory through the case studies and events of corrosion-III Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Kanpur
Department
Metallurgy and Material Science
Teacher
Prof. Kallol Mondal
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
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