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Ultrasonic Testing in lieu of Radiographic Testing
Martin van den Heuvel MISI-Consultancy
KINT Symposium October2019
Agenda
UltrasonicTesting in lieu of Radiographic Testing: ‘UT ilo RT’
▪ NIL ThinPlate
▪ Innovationin NDT
The case for change
▪ WhyuseUT iloRT
▪ SuitableUT Techniques
Business Cases
▪ Project
▪ Maintenance
Way forward
▪ Collaboration
UT in lieu of RT: historic information
NIL Thin Plate project 1992
Objectives
▪ To assess the reliability of mechanized ultrasonic inspection. in comparison with the 'standard' non-destructive
inspection techniques (i.e. standard radiography and manual UT) for detection of defects in welds in steel plate in
the wall thickness range 6-15 mm.
▪ To contribute to the development of suitable acceptance/rejectance criteria and, if necessary, initiate their
implementation criteria in national and international regulations on non-destructive testing
Conclusion
▪ The detection reliability of mechanized ultrasonic testing techniques is at least as good as but usually
better than that of conventional non-destructive testing techniques such as manual ultrasonic testing
and standard radiography.
Improvements since 1992
▪ Mechanized (PA)UT is standardized and thus reliable Automated UT (AUT) and semi-automated UT with encoded
scan enables permanent record keeping of UT inspection data
▪ Data storage is now common practice
Innovation in NDT (These Wassink 2012)
Key points
▪ It takes a long time to develop and
implement changes in NDT
applications
▪ Collaboration of all parties is key,
the Cyclic Innovation Model is a
way to shorten the time
▪ Entrepreneurs are needed to make
it a success
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