Basic principles of sound; generation and detection of sound; behaviour of sound in a material; the flaw detector; use of angled beam probes for weld scanning; welding processes and weld defects; practical exercises on test specimens containing simulated flaws; examination of parent plate, butt welds; instruction writing.
The course ends with the examination and certification from TWI.
Training in accordance with the requirements of ISO 9712.
- To explain the theoretical background of the techniques
- To calibrate ultrasonic equipment
- To measure the thickness of steel plates and determine levels of attenuation
- To locate and evaluate laminations
- To select the correct type of probe to examine welded butt joints in steel plate and aerospace components/structures
- To report on the location and size of defects in typical welded butt joints
- To interpret code requirements
- To meet the syllabus requirements for PCN/CSWIP Levels 1 and 2.
- Physical Principles
- Modes of Sound Energy
- Generating Ultrasound
- Pulse Length and Damping
- The Sound Beam
- Total Attenuation Loss
- Acoustic Impedance
- Snell’s Law
- Probe Design