Time of Flight Diffraction (TOFD), originally developed for crack-sizing in nuclear applications, is an Ultrasonic Testing technique, which established itself as a widely used tool for detecting welding flaws. TOFD has also become the most accurate and effective Non-Destructive Testing (NDT) technique in determining defect height.
Time of Flight Diffraction has significant advantages regarding safety, required time of inspection, and costs and, today, is increasingly replacing onsite Radiography. As this technique is being increasingly applied globally, it is essential to educate specialists about its appropriate use and interpretation. This course is designed to take the advanced NDT technician through the Time of Flight Diffraction Technique and its ability to perform flaw detection, location and sizing. Considerable time is spent in the collection and analysis of Time of Flight Diffraction data and the comparison to traditional Pulse -Echo technique.
We can provide TOFD Training courses and examinations suitable for the following certification scheme.
We can also provide training for PCN/SNT-TC-1A/NAS 410 – EN 4179 NDT Level 3.
An example of the syllabus that is used for TOFD training courses is shown below for Level 2. Decibel can tailor make the syllabus to satisfy the requirements of an individual’s company specific written practice if requested.
Fundamentals of TOFD
Data collection and basic interpretation
Candidates with good knowledge over Ultrasonic Testing & its application may enroll towards this program, if the interested candidates doesn’t have enough knowledge over Ultrasonic Testing and it’s practical application, those candidates may initially enroll towards Practical Ultrasonic Testing/ Specialization in A- Scan UT program conducted at Decibel and after that they can enroll towards this program.
For PCN: Refer PCN General Requirements Document
For NAS410/EN4179/SNT-TC-1A: According to Written Practice.
For ACCP: Refer ACCP General Requirements Document
Will vary depends on the type of certification chosen