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MECHANICALENGINEERING

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Curriculum&EvaluationSchemeV&VIsemester Page44

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Semester–VI:DepartmentalElective–III:Specialization–ManufacturingandAutomation

SubjectCode:KME061NondestructiveTestingLTP:300Credits:3

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ourseOutcome:StudentwillbeabletoBloom

Taxonomy

CO1UnderstandtheconceptofdestructiveandNon‐destructivetestingmethods.K2

CO2Explaintheworkingprincipleandapplicationofdiepenetranttestandmagnetic

particleinspection.K2

CO3Understandtheworkingprincipleofeddycurrentinspection.K2

CO4Applyradiographictechniquesfortesting.K3

CO5ApplytheprincipleofUltrasonictestingandapplicationsinmedicalandengineering

areas.K3

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Unit‐I:

IntroductiontoNDT,DT,advantages&limitationsofNDT,classificationofNDTmethods,Comparison

withDT,Terminology,FlawsandDefects.ScopeofNDT.Codes,StandardsandCertificationsinNDT.

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VisualInspection–Equipmentusedforvisualinspection,Borescopes,Applicationofvisualinspection

testsindetectingsurfacedefectsandtheirinterpretation,advantages&limitationsofvisualinspection,

VisualInspectioninWelding.

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Unit‐II:

LiquidPenetrantTesting–Principle,Scope,Testingequipment,Advantages,Limitations,typesof

penetrantsanddevelopers,standardtestingprocedure,Zyglotest,Illustrativeexamplesand

interpretationofdefects.

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MagneticParticleInspection–Principle,Scope,Testingequipment,Advantages,Limitations,Application

ofMPI&standardtestingprocedure,DC&ACmagnetization,SkinEffect,differentmethodstogenerate

magneticfields,Illustrativeexamplesandinterpretationofdefects.

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Unit‐III:

RadiographicTesting–Introductiontoelectromagneticwavesandradioactivity,variousdecays,

Attenuationofelectromagneticradiations,Photoelectriceffect,coherentscatteringandIncoherent

scattering,Beamgeometry.

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X‐rayRadiography–Principle,equipment&methodology,applications,source,typesofradiationsand

limitations;γ‐rayRadiography–Principle,equipment,γ‐raysource&technique;RadiographyImage

QualityIndicators,FilmProcessing,advantagesofγ‐rayradiographyoverX‐rayradiography.Precautions

againstradiationhazards.

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Unit‐IV:

UltrasonicTesting–Introduction,Principle,PiezoelectricityandPiezoelectricTransducers,Wave

propagation,Ultrasonicprobes,selectionofangleprobes,AcousticImpedance,Reflectionand

transmissioncoefficient,Snell’slaw,standardtestingprocedure&calibration,advantages&limitations.

Datarepresentation‐A‐scan,B‐scan,C‐scan.Applicationsininspectionofweldedjoints,castings,

forgingsanddimensionalmeasurements.IntroductiontoTOFD&PhasedArrayUltrasonicTesting.

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MECHANICAL ENGINEERING

Curriculum & Evaluation Scheme V & VI semester Page 44 Semester – VI: Departmental Elective – III: Specialization – Manufacturing and Automation Subject Code: KME 061 Nondestructive Testing L T P : 3 0 0 Credits: 3 Course Outcome: Student will be able to Bloom Taxonomy CO 1 Understand the concept of destructive and Non‐destructive testing methods. K CO 2 Explain the working principle and application of die penetrant test and magnetic particle inspection.

K

CO3 Understand the working principle of eddy current inspection. K CO 4 Apply radiographic techniques for testing. K CO 5 Apply the principle of Ultrasonic testing and applications in medical and engineering areas.

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Unit‐I: Introduction to NDT, DT, advantages & limitations of NDT, classification of NDT methods, Comparison with DT, Terminology, Flaws and Defects. Scope of NDT.Codes, Standards and Certifications in NDT. Visual Inspection – Equipment used for visual inspection, Borescopes, Application of visual inspection tests in detecting surface defects and their interpretation, advantages & limitations of visual inspection, Visual Inspection in Welding. Unit‐II: Liquid Penetrant Testing – Principle, Scope, Testing equipment, Advantages, Limitations, types of penetrants and developers, standard testing procedure, Zyglo test, Illustrative examples and interpretation of defects. Magnetic Particle Inspection – Principle, Scope, Testing equipment, Advantages, Limitations, Application of MPI & standard testing procedure, DC & AC magnetization, Skin Effect, different methods to generate magnetic fields, Illustrative examples and interpretation of defects. Unit‐III: Radiographic Testing – Introduction to electromagnetic waves and radioactivity, various decays, Attenuation of electromagnetic radiations, Photoelectric effect, coherent scattering and Incoherent scattering, Beam geometry. X‐ray Radiography – Principle, equipment & methodology, applications, source, types of radiations and limitations; γ‐ray Radiography – Principle, equipment, γ‐ray source & technique; Radiography Image Quality Indicators, Film Processing, advantages of γ‐ray radiography over X‐ray radiography. Precautions against radiation hazards. Unit‐IV: Ultrasonic Testing – Introduction, Principle, Piezoelectricity and Piezoelectric Transducers, Wave propagation, Ultrasonic probes, selection of angle probes, Acoustic Impedance, Reflection and transmission coefficient, Snell’s law, standard testing procedure & calibration, advantages & limitations. Data representation ‐ A‐scan, B‐scan, C‐scan. Applications in inspection of welded joints, castings, forgings and dimensional measurements. Introduction to TOFD & Phased Array Ultrasonic Testing.

MECHANICAL ENGINEERING

Curriculum & Evaluation Scheme V & VI semester Page 45 Unit‐V: Special NDT Techniques: Eddy Current Inspection– Introduction, Principle, Methods, scope, Equipment, types of probes, Sensitivity, standard testing procedure, advanced ECT methods, advantages and limitations. Acoustic Emission Technique– Introduction, Types of AE signal, Principle, Advantages & Limitations, Interpretation of Results, Applications. Holography, Thermography– Introduction, Principle, advantages, limitations and applications. Books and References:

Non‐Destructive Testing and Evaluation of Materials, by‐ Prasad, McGraw Hill Education.
Practical Non‐destructive Testing, by‐ Baldev Raj, T. Jayakumar, M. Thavasimuthu, Woodhead Publishing.
Non‐Destructive Testing Techniques, by‐ Ravi Prakash, New Age International.
Non destructive Testing Handbook, by Robert C. McMaster, American Society for Nondestructive.
Introduction to Non destructive Testing: A Training Guide, by‐ Paul E. Mix, wiley.
Electrical and Magnetic Methods of Non‐destructive Testing, by‐ J. Blitz, springer.
Practical non destructive testing by Raj, Baldev.
Basics of Non‐Destructive Testing, by Lari& Kumar, KATSON Books.
ASME Sec. V, boiler and pressure vessel code

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