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Swayam Central

Aqueous Corrosion and Its Control

By Prof. V. S. Raja   |   IIT Bombay
Corrosion failures of components cuts across all the industries and cost a national about 3.5% of its GDP. In addition, it affects environments, scant resources, safety and reliability of components. Effective control of corrosion requires basic understanding of electrochemical principles, metallurgical aspects and a clear perspective of the industrial problem. This course comprehensively addresses these aspects.

INTENDED AUDIENCE
Metallurgical Engineering and Materials Science, but is open to other engineering branches
PREREQUISITES None
INDUSTRIES  SUPPORT     : Oil and Gas Industries, Manufacturing

Learners enrolled: 368

SUMMARY

Course Status : Upcoming
Course Type : Elective
Duration : 12 weeks
Start Date : 20 Jul 2020
End Date : 09 Oct 2020
Exam Date : 17 Oct 2020
Enrollment Ends : 27 Jul 2020
Category :
  • Metallurgy and Material science & Mining Engineering
  • Materials Joining
  • Level : Undergraduate/Postgraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Week 1:Introduction to the course and Importance of corrosion
    Week 2:Can we predict of corrosion of a metal? Electrochemical Equilibrium and Thermodynamics of corrosion.Pourbaix diagrams and identification of stability regions
    Week 3: Concepts of Electrochemical Kinetics, exchange current density charge transfer and diffusion controlled
    Week 4:What determines the corrosion rates? Mixed Potential theory Passivity and Application of mixed potential theory for prediction of corrosion. Application of electrochemical kinetics for corrosion rate determination and mechanisms of corrosion
    Week 5:Uniform corrosion and the factors affecting them and the control measures, concept of localized corrosion
    Week 6:Galvanic Corrosion: Mechanism, factors affecting galvanic corrosion, prevention methods, typical industrial problems and methods of evaluation
    Week 7: Crevice Corrosion: Mechanism, factors affecting crevice corrosion, prevention methods, typical industrial problems and methods of evaluation
    Week 8:Pitting Corrosion: Mechanism, factors affecting pitting corrosion, prevention methods, typical industrial problems and methods of evaluation
    Week 9:Intergranular Corrosion: Mechanism, factors affecting intergranular corrosion, weld decay, knife line attack. Role of welding techniques, parameters and other material conditions on weld decay.
    Week 10:Industrial problems of weld decay, intergranular corrosion of other alloys, test methods and selection rationale.
    Week 11: Dealloying: Mechanism, factors affecting alloying prevention methods, typical industrial problems.Flow assisted Corrosion, Erosion Corrosion, Cavitation damage: Mechanism, factors affecting these corrosion, prevention methods, typical industrial problems
    Week 12:Environmentally assisted cracking: Stress corrosion cracking and Hydrogen Damage Mechanism, factors affecting cracking of metals, prevention methods, typical industrial problems and methods of evaluation
    Week 13:Continuation of the above, Microbial Corrosion, Corrosion Control Philosophy and Management

    BOOKS AND REFERENCES

    Corrosion Engineering, 3rd Ed., Mars G. Fontana, McGraw-Hill, Singapore, 1987.
    Corrosion and its Control, 3rd Ed., H.H. Uhlig and R.W. Revie, John Wiley, Singapore, 1991.
    Stress corrosion cracking – Theory and Practice, V.S. Raja and T. Shoji (eds); Woodhead Publishing Limited, Oxford, 2011.
    Corrosion Failures: Theory, Case Studies and Solutions, K.E. Perumal and V.S. Raja,; ISBN 978-0-470-45564-7, John Wiley & Sons, NJ, 2015, USA

    INSTRUCTOR BIO

    Prof. V. S. Raja

    IIT Bombay
    Taught several courses related to corrosion over the last 32 years. Published a book on Corrosion Failure Analysis: basics, Case Studies and Solutions Edited a book on Stress Corrosion Cracking: Theory and Practice. Passionate about teaching, recipient of the Prof. SP. Sukhatme award for excellence in teaching

    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: 17 October 2020, 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 8 assignments out of the total 12 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 Bombay. It will be e-verifiable at nptel.ac.in/noc
    •Only the e-certificate will be made available. Hard copies will not be dispatched.

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