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Thermal barrier of primary pump inspection

2 MHz 16elts Curved linear phased array probes with integrated
soft wedge

Active area geometry

Delay law calculation software
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Application example
Probes
Special curved linear array probes with soft wedge
Aspherical focusing to focus through a toric interface
Coupling with water film
Custom housing for probe holder
Technique
Pulse echo technique
Benefits
High sensitivity to work through a 200 mm
sound path in austenitic steel
High lateral resolution thanks to aspherical focusing
Paper
"Inspection of Thermal Barriers of primary pumps with Phased Array probe
and piezocomposite technology", J Poguet - IMASONIC S.A. / E Abittan - EDF
GDL , EPRI Phased Array inspection seminar, September 1998, Portland, Main, USA
Download pdf (426kb)
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