Apparatus and method for ultrasonic reconstruction and testing of a turbine rotor blade attachment structure

A method of ultrasonic reconstructing and testing of a non-visible turbine rotor blade attachment structure, said method comprising the steps of:

• locating a plurality of ultrasound transducers at a plurality of scan positions;
• accumulating reconstruction data from said plurality of ultrasound transducers at said plurality of scan positions, said reconstruction data corresponding to the shape of said non-visible turbine rotor blade attachment structure;
• selecting test scan positions based upon said reconstruction data;
• and
• performing ultrasonic testing of said turbine rotor blade attachment structure at said test scan positions.

A method of ultrasonic reconstructing and testing of a straddle-mount turbine rotor blade attachment structure including a slot region and a straddle-mount region, said method comprising the steps of:

• positioning ultrasound transducers in said slot region;
• scanning said slot region with said ultrasound transducers to produce slot region scan data;
• reconstructing said slot region based upon said slot region scan data to display slot region reconstruction data;
• positioning ultrasound transducers in said straddle-mount region;
• scanning said straddle-mount region with said ultrasound transducers to produce straddle-mount region scan data;
• and
• reconstructing said straddle-mount region based upon said straddle-mount region scan data to display straddle-mount region reconstruction data.