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Ultrasonic Inspection

Ultrasonics is method of non-destructive testing where a transducer applies ultrasonic pulse waves in the material. The time of flight of the ultrasonic waves is measured from the initiation to the return of the reflected waves to the transducer.

Any change in acoustic impedance produces ultrasonic reflection or pulse echo.This property of the ultrasound is used to identify the material wall thickness and any discontinuities in the tested material or item.

Ultrasonic testing is regarded as one of the most sensitive of non-destructive test methods.

Common applications of ultrasonic testing are

  • material thickness measurement (UTT)
  • Corrosion mapping
  • Lamination testing
  • Flaw (Discontinuities) detection