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Non-destructive Testing  > Conventional & Advanced NDT > Time of Flight Diffraction (TOFD)

Time of Flight Diffraction (TOFD)

TOFD is an innovative ultrasonic technique, based on the phenomenon of time traveled through a diffracted sound wave. This technique senses and analyzes the diffracted sound according to the times at the extremes (top and bottom) and to the existing discontinuities inside a welding.

Although associated costs and complexity are superior to other techniques, TOFD allows to:

● Reduce the inspection time and significant savings in downtime;
● Detection of various types of discontinuities, regardless of its orientation and type;
● Registration of discontinuities in real time, with images, enabling more detailed reports.

EQS Global is an Accredited Non-Destructive Testing Laboratory and an independent and certified inspection company, offering a full range of services dedicated to inspection and testing, and the necessary knowledge to support its clients throughout the assets’ lifecycle.

EDP Renewables has been working with EQS Global for some years. In this project, Windfloat, I think I can easily characterize the relationship with EQS Global in a few words, namely, trust, availability, commitment and, above all, professionalism.

EDP Renewables 2020
José Pinheiro
Project Director | EDP Renewables | Renewables,
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