Progress in ultrasound phase thermography

Alexander Dillenz; Thomas Zweschper; Gerhard Busse

doi:10.1117/12.421042

23 March 2001 Progress in ultrasound phase thermography

Alexander Dillenz, Thomas Zweschper, Gerhard Busse

Proceedings Volume 4360, Thermosense XXIII; (2001) https://doi.org/10.1117/12.421042
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Ultrasound Phase Thermography (UPT) is a non-destructive technique derived from Ultrasound Lock-In Thermography (ULT) which was established a few years ago. UPT provides defect selective imaging using thermal waves generated by elastic waves. The use of short ultrasound bursts instead of sinusoidal signals for excitation allows for faster measurements and better reproducibility as compared to ULT. However, the advantages of phase images are the same: recognition of defect depth and suppression of temperature gradients. Application of UPT to typical defects of aircraft materials and components provide specific information on their nature.

Citation Download Citation

Alexander Dillenz, Thomas Zweschper, and Gerhard Busse "Progress in ultrasound phase thermography", Proc. SPIE 4360, Thermosense XXIII, (23 March 2001); https://doi.org/10.1117/12.421042

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