Materials, methods, compatibility of materials, application of materials, process of carrying out penetrant testing, viewing conditions, equipment requirement, equipment and safety aspects; practical exercises; methods of assessing sensitivity, intepretation and evaluation, reporting, instruction writing.
Course Duration : 5 days
Level I course outline
- To explain the basic principles of penetrant inspection methods
- To carry out penetrant inspection using solvent-removable, water-washable and post-emulsifiable/removal processes
- To write clear and concise inspection instructions and test reports
- To meet syllabus requirements for PCN Level 2
Certification / Awarding Body Entry Requirements (For Examination)
The minimum required duration of training, which includes both theoretical and practical elements, is: : Level 2 - 40 hours
The minimum duration for experience prior to or following success in the qualification examination is : Level 2 - 4 Months
TIME OF FLIGHT DIFFRACTION ULTRASONIC TESTING
History of TOFD Development, TOFD Advantages and Limitations, Principles of TOFD, Principles of TOFD, Depth Calculation, Time Calculation, PCS Calculation, Types of TOFD Scan, Equipment Used In TOFD, Digitalization Principles, Equipment Requirements, TOFD Depth, Ring-Time Issues And Errors, Interpretation and Evaluation, Applications
Course Duration : 12 days
A close-up of the surface of a (different) pipeline showing indications of stress corrosion cracking (two clusters of small black lines) revealed by magnetic particle inspection. Cracks which would normally have been invisible are detectable due to the magnetic particles clustering at the crack openings. The scale at the bottom is numbered in centimetres. The presence of a surface or subsurface discontinuity in the material allows the magnetic flux to leak, since air cannot support as much magnetic field per unit volume as metals. Ferrous iron particles are then applied to the part. The particles may be dry or in a wet suspension. If an area of flux leakage is present, the particles will be attracted to this area. The particles will build up at the area of leakage and form what is known as an indication. The indication can then be evaluated to determine what it is, what may have caused it, and what action should be taken, if any.