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ME450 NONDESTRUCTIVE TESTING METHODS

Course Objectives

1. Importance of NDT in quality assurance 

2. Introduction to Visual Inspection

3. Introduction to radiographic testing  

4. Introduction to ultrasonic testing 

5. Introduction to penetrant testing

6. Introduction to Magnetic Particle Testing

7. Other NDT methods
 

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Course Content

The role of NDT in quality assurance. Mechanical engineering applications of the most commonly used NDT methods such as ultrasonic, radiographic, liquid penetrant, magnetic particle, and eddy current. Concept of NDT suitable design. Testing of products according to NDT standards. Special purpose testing techniques and their working principles.

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Course Learning Outcomes

1. Importance of NDT in quality assurance

    -- Concept of quality assurance.

    -- Importance of NDT

    -- Importance of test timing

    -- Goals of NDT apllication

    -- How do we make testing friendly design?

    -- Commonly used NDT methods.

    -- Qualification and certification of NDT personnel

 

2. Introduction to Visual Inspection

-- Importance of visual inspection

-- Advantages and limitations of visual inspection

-- Mechanical aids used in visual inspection

-- Optical aids used in visual inspection

-- Holographic methods

 

3. Introduction to radiographic testing

    -- Properties of X and gamma rays

    -- Generation of X and gamma rays

    -- Radiation measurement and safety

    -- Attenuation of radiation

    -- Design and operation principles of X and gamma ray devices

    -- Radiographic exposure techniques

    -- Image quality and its measurement

    -- Radiographic standards and their use

    -- Viewing and evaluation of radiographs

 

4. Introduction to ultrasonic testing

    -- Principles of wave propagation

    -- Methods of ultrasonic testing

    -- Working principles of ultrasonic testing device

    -- Ultrasonic probes, their types and construction

    -- Calibration of the testing device

    -- Sound attenuation and its mechanism

    -- Sensitivity and its adjustment

    -- Wall thichness measurement

    -- Ultrasonic scanning techniques and sizing of reflectors

    -- Inspection of materials other than steel

    -- Principles of oblique incidence

    -- Mode conversion, reflection, refraction

    -- Angle beam probes and their construction

    -- Testing with angle beam probes

    -- Special testing techniques

 

5. Introduction to penetrant testing

    -- Aim and application areas of penetrant testing

    -- Test methods and their differences

    -- Types of penetrants and their application

    -- Properties of penetrants and developers

    -- Flaw detection in penetrant testing

    -- Test blocks and their use

 

6. Introduction to Magnetic Particle Testing

    -- Magnetism and its use in magnetic particle testing

    -- Electromagnetic field and its measurement

    -- Magnetizing devices and their properties

    -- Different magnetization techniques

    -- Types and properties of magnetic particles

    -- Control of test sensitivity

    -- Recognition of irrelevant indications

    -- Combined magnetization and special devices

 

7. Other NDT methods

    -- Eddy current testing

    -- Leakage testing

    -- Coating thickness measurement

    -- Computer tomography

    -- Acoustic emission

    -- Electron and neutron radiograhy

   

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Program Outcomes Matrix

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