Industrial ultrasonic transducers
Special probes for NDT
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Non linear acoustics

NDT Applications
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Special transducers

Non linear acoustics

Non linear acoustics take into account harmonic waves generated by non linear behaviour of inspected structures under the stress of an ultrasonic beam.

The inspection of some materials, for example aircraft composite structures, can take advantage of this technique for fatigue monitoring before crack generation, which is of great interest for safety issues.

This technique requires transducers with frequency spectral adapted to emitting frequency f and receiving frequency 2f

Imasonic developes and manufactures transducers for harmonic imaging, exploiting its capacity to design and predict specific spectral profiles, and manufactures corresponding transducers


Spectrum of transducer for non linear acoustics (1 MHz - 2 MHz)

 

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