Reference standard systems for thermosonic flaw detection

Details Reference standard systems for thermosonic flaw detection Reference standard systems for thermosonic flaw detection

2006-06-13

2006-06-13

Gaglairdi, Albert (Department: 2878)

Radiant energy

Calibration or standardization methods

C250S341100, C250S341600, C374S005000

Reexamination Certificate

active

07060971

ABSTRACT:
A flaw inspection system (10) contains a substrate (12) to be inspected, such as a generator tube wall, a rotor of a generator, an aircraft skin, having or thought to have interior defects (24, 26) such as stress cracks, where the substrate (12) has attached reference blocks (14, 16) also containing defects (18, 20) of the type that might be found in the substrate, where an ultrasonic generator (28) emits sound waves (30) which contact all the defects, causing heat (32) which is sensed by a thermal camera (50) which, in association with a controller (54) causes images (60, 62) to appear on a monitor (52) from which the type and number of defects (24, 26) in the substrate (12) can be determined.

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