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Swayam Central

Welding Metallurgy

By Prof. Pradeep K. Jha   |   IIT Roorkee
The course focuses on understanding the metallurgy and solidification of weldments The course will make the students aware with the metallurgical aspects of welding. For getting a sound weld, the students are required to be aware of the science behind the welding phenomena, especially in the domain of weld metal solidification, heat transfer, heat treatment processes, strengthening mechanisms etc. The course will be useful for engineering graduates as well as professionals working in the area of welding. 

PREREQUISITES:         Introduction to courses such as Welding processes, Materials science etc.
INDUSTRY SUPPORT:  Manufacturing Industries like SAIL, BHEL etc

Learners enrolled: 1167

SUMMARY

Course Status : Ongoing
Course Type : Elective
Duration : 12 weeks
Start Date : 29 Jul 2019
End Date : 18 Oct 2019
Exam Date : 17 Nov 2019
Category :
  • Metallurgy and Material science & Mining Engineering
  • Level : Undergraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Week 1:   Introduction to welding metallurgy, phase diagrams
    Week 2:   Phase transformation, TTT and CCT diagrams
    Week 3:   Metal strengthening approaches
    Week 4:   Heat treatment processes for weldments
    Week 5:   Analysis of heat flow and temperature distribution in welding
    Week 6:   Concept of solidification in welding, constitutional supercooling
    Week 7:   Introduction to heat affected zones, Properties of HAZ
    Week 8:   Residual stresses in welding, Preheat and postweld heat treatment
    Week 9:   Types of welding distortion and its control
    Week 10: Cracks in welds
    Week 11: Weldability issues in materials
    Week 12: Welding defects, Design considerations in welding

    BOOKS AND REFERENCES

    1.  SIDNEY H. AVNER, "INTRODUCTION TO PHYSICAL METALLURGY", McGRAW-HILL
    2.  SINDO KOU, "WELDING METALLURGY", A JOHN WILEY & SONS
    3.  J. F. LANCASTER, "METALLURGY OF WELDING", ABINGTON PUBLISHING

    INSTRUCTOR BIO



    Prof. Pradeep K. Jha is presently working as Associate Professor in the Department of Mechanical & Industrial Engineering at IIT Roorkee. He has been teaching the courses related to manufacturing technology and theory of production processes to undergraduate and postgraduate students for more than 12 years. He is actively involved in research work related to production processes, especially casting and welding processes. 

    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 November 2019, 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 Roorkee. It will be e-verifiable at nptel.ac.in/noc.
    • Only the e-certificate will be made available. Hard copies are being discontinued from July 2019 semester and will not be dispatched

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