Ultrasonic Testing: Training & Certification

- Principles of Ultrasonic Testing
- Generation of Ultrasonic Testing
- Properties of the transducer or probes
- Acoustic impedance, Beam Divergence – Dead, Near and Far Zone
- Influence of properties of test object on sound propagation
- Sound velocity and attenuation
- Equipment – controls and functions of ultrasonic instrument
- Signal presentation – A,B,C and D scans
- Scanning techniques – manual, semi-automatic, automatic
- Immersion testing and Through-transmission technique – basic principle
- Calibration of Testing Systems
- Sensitivity setting – simple methods, BWE, DAC
- Detectability of Defects – advantages and limitations of the test method with regard to defect detection
- Factors Affecting the Performance of the Ultrasonic Test
- Conducting and Recording the Test
- Procedure to be adopted to carry out the test and Flaw assessment, sizing techniques and reporting
- Snell’s Law concerning reflection, Refraction, mode conversion and Calculations
- Interpretation of test Results to acceptance standards
- Basic Welding Process and product technologies
- Types of defect associated with particular parent metal/welding process combinations
- Examination of parent plate, butt welds and configuration joints

Objectives:
At the end of the course, attendees shall be able to:

- Select suitable NDT technique and test method to be used
- Define the limitations of application of the testing method
- Translate NDT standards and specifications into NDT
- Measure thickness of steel plates & determine levels of attenuation
- Conduct test as per specifications
- Interpret and evaluate results according to applicable standards
- Organise and report the results of non-destructive tests
- Meets syllabus requirements for PCN or ISO9712 examinations

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