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Indian Institute of Technology Madras

Theory and Practice of Non Destructive Testing

Indian Institute of Technology Madras and NPTEL via Swayam


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 EngineersPREREQUISITES : BE/Diploma in Engineering (Mech/Manufac/Production/Civil/Aerospace/App. Mech/Material Engg)INDUSTRY SUPPORT : Manufacturing and Automotive Industries



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.

Taught by

Ranjit Bauri

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3.0 rating, based on 2 reviews

Start your review of Theory and Practice of Non Destructive Testing

  • Vigneshwaran C Chandrasekaran

    Vigneshwaran C Chandrasekaran is taking this course right now.

    I am in the field of material testing and more interested in Non Destructive testing , running a training institute , looking forward to learn more in the field, some one guide me through this
  • Anonymous
    I am a mechanical engineer by profession and I wish to have the knowledged of inspection materials and how they behave when they loss their property.

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