Time of Flight Diffraction

Time of Flight Diffraction (TOFD), was originally developed by Atomic Energy Authority in the late 70’s and early 80’s.  As conventional inspection techniques did not provide the PoD for detection of small flaws within heavy walled nuclear reactors, a technique was required that provided through wall accuracy for flaws, and images for traceability and monitoring. 

TOFD has been included in a number of blind trials over the decades and has become widely accepted for crack detection and monitoring due to its accuracy for sizing flaws where the data can feed directly into fracture mechanics and engineering criticality assessments.

Current Uses:

  • Weld Inspection
  • Weld Root Erosion
  • Crack Propagation Monitoring
  • Early Stage Corrosion Detection
  • Corrosion Monitoring

Latest News

date: 2019-04-26 13:05:52

Brand New SIS Department

Highland Oilfield Services is proud to announce that it has invested heavily in creating a ‘Specialist Inspection Solutions’ capability, that aims to deliver innovative, proactive inspection solutions to operators and their assets where challenges exist.   As demand increases for reduced downtime and increased plant availability, the application of specialised inspection techni...

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date: 2019-04-26 12:25:08

Specialist Inspection Solutions

As demand increases for reduced downtime and increased plant availability, the application of specialised inspection techniques becomes an integral part of the process in assisting and integrity-based decision making.    Providing additional inspection accuracy and reliability reduces operational risks and downtime, and delivering added value to business operations.  These ap...

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