汽輪機轉子樅樹型葉根超聲相控陣檢測 汽輪機葉根相控陣檢測叉型葉根超聲相控陣檢測

Blade root and rotor steeple inspection

Application example

Features

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

Benefits

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

example of blade root geometry

Paper

"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