Theory and Practice of Non Destructive Testing

By Prof. Ranjit Bauri   |   IIT Madras
Learners enrolled: 1070
Nondestructive Testing (NDT) plays an extremely important role in quality control, flaw detection and structural health monitoring covering a wide range of industries. There are varieties of NDT techniques in use. This course will first cover the fundamental science behind the commonly used NDT methods to build the basic understanding on the underlying principles. It will then go on to cover the process details of each of these NDT methods.

INTENDED AUDIENCE : Students, Researchers, Practicing Engineers
PREREQUISITES        : BE/Diploma in Engineering (Mech/Manufac/Production/Civil/Aerospace/App. Mech/Material Engg)
INDUSTRY SUPPORT  : Manufacturing and Automotive Industries
Course Status : Ongoing
Course Type : Elective
Duration : 8 weeks
Start Date : 18 Jan 2021
End Date : 12 Mar 2021
Exam Date : 21 Mar 2021
Enrollment Ends : 01 Feb 2021
Category :
  • Metallurgy and Material science & Mining Engineering
  • Manufacturing Processes and Technology
  • Materials Joining
Level : Undergraduate/Postgraduate

Course layout

Week 1: Introduction to NDT, Visual Optical methods, Dye penetrant testing, Basic principle, Types of dye and methods of application, Developer application and Inspection.
Week 2: Magnetic particle testing, Basic theory of magnetism, Magnetization methods,Field indicators, Particle application, Inspection.
Week 3: Eddy current testing, Basic principle; Faraday’s law, Inductance, Lenz’s law,Self and Mutual Inductance, Impedance plane, Inspection system and probes,System calibration.
Week 4: Ultrasonic testing: Basics of ultrasonic waves, Pulse and beam shapes,Ultrasonic transducers.
Week 5: Test method, Distance and Area calibration, Weld inspection by UT.
Week 6: Acoustic emission testing: Basic principle, Sources of acoustic emission, Source parameters, Kaiser-Felicity theory, Equipment and Data display, Source location schemes.
Week 7: Radiography: X-rays and their properties, X-ray generation, X-ray absorption and atomic scattering. 
Week 8: Image formation, Image quality, Digital Radiography, Image interpretation,Radiation Shielding. Comparison and selection of NDT methods, Concluding remarks.

Books and references

1. Nondestructive Testing, Louis Cartz, ASM International
2. Nondestructive Evaluation and Quality Control, ASM Handbook, Vol. 17.
3. https://www.nde-ed.org 

Instructor bio

Prof. Ranjit Bauri

IIT Madras
Dr. Ranjit Bauri is an Professor in the Dept. of Metallurgical and Materials Engineering, IIT Madras. He has more than a decade of experience in teaching NDT theory and practical courses. He is a life member of Indian Society for Non Destructive Testing (ISNT). He is also a seasoned researcher with more than a decade of research experience. His research areas include Composite materials, Al alloys, Friction stir welding and processing, Powder Metallurgy and Microscopy. 

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: 21 March 2021 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.


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 Madras .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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