Patent ID: 8739630

Claim:
A method for non-destructive ultrasound inspection, wherein at least one ultrasonic pulse is radiated into a workpiece to be inspected by means of at least one ultrasonic transmitter and the ultrasonic pulse is reflected on boundary surfaces in the workpiece, the reflected ultrasound is received by means of the at least one ultrasonic receiver and at least one associated signals are evaluated, and the ultrasound passes through a leading body which is disposed between the workpiece and the transmitter or receiver and is detachably connected to the ultrasonic transmitter and the ultrasonic receiver, wherein the method comprises at least one step for determining at least one dimension of the leading body, in which the travel time of the at least one ultrasonic pulse generated by the ultrasonic transmitter is reflected on a boundary surface of the leading body and received by the ultrasonic receiver, measured, and at least one dimension of the leading body relevant for ultrasound inspection is determined therefrom, wherein, in the step for the determination of at least one dimension of the leading body relevant for the ultrasound inspection, the leading body is uncoupled, wherein, in the step for the determination of at least one dimension of the leading body relevant for the ultrasound inspection, the travel time of a back-face echo obliquely incident on a coupling surface adjoining, or to be adjoined to, the workpiece, and the travel time of at least one back-face echo perpendicularly incident on the coupling surface are measured, wherein a phased array of selectively controllable ultrasonic transducers respectively acting as an ultrasonic receiver or transmitter is used, wherein, in the step for the determination of at least one dimension of the leading body relevant for the ultrasound inspection, the determination is carried out by means of triggering to a pulse peak of the received pulse echo, wherein the determined dimension of the leading body is taken into account in the evaluation of the signals in the ultrasound inspection of the workpiece.