Theory and Practice of Non Destructive Testing

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.