Module 1: (5 hrs)

Foundational understanding of key Non-Destructive Evaluation (NDE) methods widely used in industry and research; Emphasis will be placed on the principles, procedures, instruments, advantages, limitations, applicable materials, and standards for (i) surface inspection techniques such as (Visual Testing (VT), Liquid Penetrant Testing (LPT), and Magnetic Particle Inspection (MPI)) and (ii) internal defect detection methods like Ultrasonic Testing (UT), Eddy Current Testing (ECT), and Radiographic Testing (RT).

Module 2: (5 hrs)

Introduction to Ultrasonic Testing (UT); Terminology, advantages/disadvantages, and applicability of UT; Familiarization with the equipment; Defects categorization and associated UT techniques; Knowledge of UT equipment – Electronic unit and control systems, Transducer (Probe) – construction, types, and working mechanism; Acquaintance with the actual UT equipment.

Module 3: (5 hrs)

General characteristics of ultrasonic waves; Mode conversion; Major variables in ultrasonic inspection (Acoustic Impedance, Acoustic attenuation, Near-field, Far-Field, Beam spread, etc.); Practicing numerical problems related to major variables in UT, Hands-on experience with the Contact Type Normal Beam Pulse-Echo Method using an actual UT machine.

Module 4: (5 hrs)

Basic ultrasonic inspection methods: (i) Through transmission and (ii) Pulse-Echo Methods; Contact Type Normal Beam Pulse-Echo Method – presentation and interpretation of pulse-echo data; Immersion Type Normal Beam Pulse-Echo Method – details of the technique, presentation and interpretation of data; Difference between contact type and immersion type UT methods, Advantages and disadvantages of contact type and immersion type UT methods; IIW V1 standard blocks – its dimensions, importance and uses; Calibration of the UT unit using normal beam probe and IIW V1 standard block.

Module 5: (5 hrs)

Contact Type Angle Beam Pulse-Echo Method – details of the technique, presentation and interpretation of pulse-echo data; Hands-on experience with the Contact Type Angle Beam Pulse-Echo Method using an actual UT machine and calibration of the UT unit using angle beam probe and IIW V1 standard block.

Module 6: (5 hrs)

Ultrasonic inspection standards, Difference between Reference blocks and Standard reference blocks (IIW blocks and Distance-Amplitude blocks), Determination of Distance-Amplitude Curves (DAC), Calibration of the UT equipment with standard and reference blocks. Hands-on demonstration of plotting DAC and Calibration of equipment. Practical skills through hands-on experience in performing ultrasonic inspections on a variety of products, such as (i) Inspection of primary mill-products (forging/extrusion/rolling), (ii) Inspection of welded/bonded joints. Dimension measurement using UT.

To develop a fundamental understanding of the principles, procedures, equipment, advantages, limitations, applications, and relevant standards of major Non-Destructive Evaluation (NDE) methods, including Visual Testing (VT), Liquid Penetrant Testing (LPT), Magnetic Particle Inspection (MPI), Ultrasonic Testing (UT), Eddy Current Testing (ECT), and Radiographic Testing (RT).

To develop a comprehensive understanding of Ultrasonic Testing (UT), including its terminology, principles, applicability, advantages and limitations, types of defects and corresponding inspection techniques, and the construction, types, and working principles of ultrasonic equipment and transducers.

To understand the characteristics and propagation of ultrasonic waves, including mode conversion and important variables such as acoustic impedance, acoustic attenuation, near field, far field, and beam spread, and to develop the ability to solve numerical problems related to these parameters through practical examples.

To acquire practical knowledge of normal-beam ultrasonic inspection techniques, including through-transmission and pulse-echo methods, contact and immersion techniques, presentation and interpretation of A-scan data, and the use of IIW V1 standard blocks for calibration of ultrasonic testing equipment using normal-beam probes.

To develop theoretical and practical proficiency in the contact-type angle-beam pulse-echo technique, including the principles of angle-beam inspection, probe characteristics, presentation and interpretation of pulse-echo data, and calibration of the UT equipment using an angle-beam probe and IIW V1 standard block.

To develop hands-on skills in the application of ultrasonic testing to engineering components and products, including primary mill products such as forgings, extrusions, and rolled products, as well as welded components and bonded joints, with emphasis on defect detection, signal interpretation, and evaluation of inspection results.

CO1:
Develop a foundational understanding of key Non-Destructive Evaluation (NDE) methods widely used in industry and research. Emphasis will be on the principles, procedures, instruments, advantages, limitations, applicable materials, and standards for (i) surface inspection techniques such as (Visual Testing (VT), Liquid Penetrant Testing (LPT), and Magnetic Particle Inspection (MPI)) and (ii) internal defect detection methods like Ultrasonic Testing (UT), Eddy Current Testing (ECT), and Radiographic Testing (RT).

CO2:
Describe and explain the principles of Ultrasonic Testing (UT), characteristics and propagation of ultrasonic waves, mode conversion, types of ultrasonic transducers, UT equipment and controls, and the applicability of different UT techniques for various defect types.

CO3:
Calculate and evaluate important parameters governing ultrasonic inspection, including acoustic impedance, reflection/transmission, attenuation, near field, far field, and beam spread, and interpret their influence on the sensitivity and reliability of UT inspection.

CO4:
Perform and interpret normal-beam ultrasonic inspections using through-transmission, contact pulse-echo, and immersion pulse-echo techniques, including presentation and interpretation of A-scan signals and calibration of UT equipment using an IIW V1 standard block.

CO5:
Perform and interpret contact-type angle-beam pulse-echo inspections, including appropriate probe selection, equipment calibration using an IIW V1 standard block, detection and interpretation of ultrasonic indications, and assessment of defects in engineering components.

CO6:
Apply ultrasonic inspection standards and procedures for calibration and evaluation of components using reference and standard reference blocks, construct and use Distance-Amplitude Correction (DAC) curves, and perform practical UT inspection and dimensional measurement of forgings, extrusions, rolled products, welded/bonded joints, and other engineering components.

Baldev Raj, T Jayakumar, and M. Thabasimuthu, Practical Non-Destructive Testing, Woodhead Publishing Ltd., UK , 2001

C. V. Subramanian, Practical Ultrasonic, Narosa Publishing House , 2006

ASM Handbook, Volume 17, Non-Destructive Evaluation and Quality Control, ASM International , 1989

Louis Cartz, Non-Destructive Testing, ASM International , 1995