Blade roots and steeples
Application example


Miniaturised phased array probes
Centre frequency from 3.5 to 18 MHz
Number of elements from 8 to 64

Manual or automated inspection
Contact with wedge or direct contact

Example of blade root geometry


Electroacoustic performances
Inspection from restricted spaces thanks to beam steering without wedge
Reliability in industrial using conditions


  • Special linear phased array probes used for ultrasonic examination of complex turbine components
    J Poguet – IMASONIC S.A. / P Ciorau OPG Inc.,
    8th European Congress on Non Destructive Testing , June 2002, Barcelona, Spain
    Download paper (pdf)