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Default Sathyabama Institute of Science and Technology B.E. - Automobile Engineering SMEA3005 Non Destructive Testing and Techniques Syllabus

Sathyabama Institute of Science and Technology B.E. - Automobile Engineering SMEA3005 Non Destructive Testing and Techniques Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING

SMEA3005 NON DESTRUCTIVE TESTING AND TECHNIQUES
L T P Credits Total Marks
3 0 0 3 100

UNIT 1 INTRODUCTION AND VISUAL INSPECTION METHODS 9 Hrs.
Scope and advantages of NDT. Comparison of NDT with DT. Some common NDT methods used since ages, Terminology.
Flaws and Defects, Visual inspection-Unaided, Equipment used for visual inspection. Ringing test chalk test (oil whitening
test). Attractive uses of above tests in detecting surface cracks, bond strength & surface defects.

UNIT 2 LIQUID PENETRANT TESTING AND MAGNETIC PARTICLE TESTING 9 Hrs.
Die penetrate test (liquid penetrate inspection), Principle, scope. Equipment & techniques, Tests stations, Advantages, types
of penetrant and developers. Illustrative examples – Heavy castings of large size, frame of jet engine, porosity testing of
nickel alloys, leak testing. Magnetic particle Inspection – Scope, principle, Ferro Magnetic and Non-ferro magnetic materials,
equipment & testing. Advantages, limitations Interpretation of results. DC & AC magnetization, Skin Effect, use of dye & wet
powders for magna glow testing, different methods to generate magnetic fields, Applications and demonstration.

UNIT 3 RADIOGRAPHIC METHODS 9 Hrs.
X-ray radiography principle, equipment & methodology. Applicability, types of radiations limitations. Interpretation of
Radiographs, limitations of gamma-ray radiography –principle, equipment. Attenuation of electromagnetic radiations, source
of radioactive materials & technique. Photo electric effect, Rayleigh’s scattering (coherent scattering), Compton’s scattering
(Incoherent scattering). Pair production, Beam geometry, scattering factor. Precautions against radiation hazards. Xero-
Radiography, Digital Radiography, Gamma ray Radiography, Safety in X- ray and Gamma ray radiography.Advantages of
gammaray radiography over X-ray radiography.

UNIT 4 ULTRASONIC TESTING AND ACOUSTIC EMISSION TESTING 9 Hrs.
Introduction, Principle of operation, Piezoelectricity. Ultrasonic probes, CRO techniques, advantages, Limitation & typical
applications. Applications in inspection of castings, forgings, Extruded steel parts, bars, pipes, rails and dimensions
measurements. Acoustic Emission Technique – Introduction, Types of AE signal, AE wave propagation, Source location,
Kaiser effect, AE transducers, Principle, AE parameters, AE instrumentation, Advantages& Limitations, Applications and
demonstration.

UNIT 5 EDDY CURRENT TESTING AND THERMOGRAPHY 9 Hrs.
Eddy current Testing – Principle, properties of eddy currents, Eddy current sensing elements, probes, Instrumentation,
Types of arrangement, Advantages & Limitations& applications. Thermography – Introduction, Principle, Contact & Non-
Contact inspection methods, Active & Passive methods, Liquid Crystal – Concept, example, advantages &limitations.
Electromagnetic spectrum, infrared thermography- approaches, IR detectors, Applications and demonstration.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Describe the basic concepts of NDT.
CO2 - Interpret the quality of the components.
CO3 - Design the precautions against the radiation hazards.
CO4 - Knowledge on Interpretation of results.
CO5 - Analyze products as production team member.
CO6 -

TEXT / REFERENCE BOOKS
1. ASM Metals Handbook, “Non-Destructive Evaluation and Quality Control”, American Society of Metals, Metals Park,
Ohio, USA, 200, Volume-17.
2. Research Techniques in NDT Vol.3, R.S. Shah, Academic 2002.
3. Paul E Mix, “Introduction to non destructive testing: a training guide”, Wiley, 2nd edition New Jersey, 2005.
4. Ravi Prakash, “Non-Destructive Testing Techniques”, New Age International Publishers, 1strevised edition, 2010.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each - No choice 20 Marks
PART B: 2 Questions from each unit of internal choice; each carrying 16 marks 80 Marks
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