Corrosion - Part I

By Prof. Kallol Mondal | IIT Kanpur

Learners enrolled: 438

The course will begin with emphasis on the importance of studying Corrosion of materials. Fundamentals of corrosion will be addressed from the angle of thermodynamics and kinetics of electrochemical phenomena. Different forms of corrosion related to materials and mixed potential theory will be discussed. Finally, electrochemical ways of protection of metals and alloys will be explained.

INTENDED AUDIENCE : 1.Bachelor and Master students, 2.Industry people, where corrosion is a problem 3.PhD student working in corrosion

PREREQUISITES : Chemical Thermodynamics, Phase transformation and Electrochemistry

INDUSTRY SUPPORT : Oil companies, Chemical companies and Power sector

Summary

Course Status :	Completed
Course Type :	Core
Language for course content :	English
Duration :	8 weeks
Category :	Metallurgy and Material science & Mining Engineering
Credit Points :	2
Level :	Undergraduate
Start Date :	24 Jan 2022
End Date :	18 Mar 2022
Enrollment Ends :	07 Feb 2022
Exam Date :	27 Mar 2022 IST

Note: This exam date is subject to change based on seat availability. You can check final exam date on your hall ticket.

Page Visits

Course layout

Week 1 : Introduction:

- Definitions

- Different forms of Environmental degradation

- Cost of Corrosion

- Electrochemical Nature

- Aims

Week 2 : Thermodynamics of Corrosion

- Process at Interface

- Free Energy and Electrochemical Potential

- EMF Series

Week 3 : Thermodynamics of Corrosion

- Nernst Relationship

- Important Reactions

- Cell Potential

- Reference Electrodes

Week 4 : Thermodynamics of Corrosion

- Pourbaix diagram and its important in metal corrosion

- Calculation of Pourbaix diagram for Al, Cu, Ni and Fe
Kinetics of Corrosion

- Current Density and Corrosion Rate

- Corrosion Rate Expressions

- Exchange Current Density
Week 5 : Kinetics of Corrosion

- Polarization:

- Activation, Concentration and Resistance polarization
Week 6 : Mixed potential theory for understanding common corrosion of metals and alloys

- Fundamental

- Applications to Active metals

Week 7 : Mixed potential theory for understanding common corrosion of metals and alloys

- Passivation

- Application of mixed potential theory in passivating metals
Week 8 : Corrosion protection: Electrochemical ways

- Sacrificial anode

- Impressed current cathodic protection

- Anodic protection

Books and references

NIL

Instructor bio

Prof. Kallol Mondal

IIT Kanpur

Kallol Mondal is an associate professor in the department of Materials Science and Engineering, IIT Kanpur. His specializations are phase transformations of metals and alloys, corrosion and oxidation behavior and multi-phase steel development.

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 27 March 2022 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 6 assignments out of the total 8 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Kanpur .It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team

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