The course covers phased array, ToFD, digital radiography, thermography, long range UT, electromagnetic techniques, shearography and optical methods and ultrasonic inspection of austenitic materials and is aimed at plant engineers, non-destructive testing engineers, materials and corrosion engineers, plant inspectors responsible for managing the integrity of ageing process equipment, pipelines, boilers and storage tanks, wishing to gain an appreciation of advanced NDT techniques.
Phased Array:An overview of phased array inspection principles; the phased array instrument; phased array probes; calibration/checks; inspection sensitivity; principles of data analysis; software familiarity.
Time of Flight Diffraction (ToFD): Introduction into the principles of ToFD inspection, theory and principles of diffraction; ToFD hardware (pulsars, receivers, motor control and encoders); ToFD data acquisition and interpretation; calibration and optimisation; optimising PCS and angles; flaw location and sizing; limitations of detection and resolution.
Digital Radiography: Principles of digital radiography; calibration of equipment; image processing using phosphor screens; overview of software specific parameters; calibration of measuring tools; effects of magnification; definition of accuracy constraints and capabilities of CR system; modification of image; use of analysis software.
Thermography:Principles of infrared imaging; calibration of the instrument; storing and retrieving data; understanding of qualitative thermography in order to identify various patterns; familiarisation with the conditions required to carry out various inspections including mechanical, electrical components, energy systems and to consider any associated limitations.
Long Range Ultrasonic Testing:Principles of LRUT, capabilities and limitations; corrosion effects in pipework; introduction to GW test equipment; introduction to GW operating software; operation of test equipment; checking test equipment; selection of test conditions; practical data collection; focused test.
Electromagnetic Techniques:Overview of electrical and electromagnetic theory; principles of ACFM (Alternating Current field Measurement), RFET (Remote Field Eddy current) and MFL (Magnetic Flux Leakage); capabilities and limitations of the techniques, typical applications, equipment, ECA (Eddy Current Array).
Ultrasonic Inspection of Austenitic Materials:Problems associated with the ultrasonic evaluation of austenitic welds, conventional techniques for overcoming these problems; the application of phased array ultrasonic testing; use of 2D probes.
- To appreciate the available methods
- To explain the advanced principles of these methods
- To identify the advantages and disadvantages of
these, both in application and defect detection
There are no entry requirements for this course.