Measuring and testing – Vibration – By mechanical waves
Patent
1994-04-07
1995-07-11
Noland, Thomas P.
Measuring and testing
Vibration
By mechanical waves
73614, 73622, 73628, 73641, G01N 2910, G01N 2926
Patent
active
054310547
ABSTRACT:
An ultrasonic flaw detection device including a transmitting ultrasonic transducer for producing multiple shear wave skips between inner and outer surfaces of a test object, a plurality of receiving transducers positioned ahead of and parallel to at generally the same incident angle as the transmitting ultrasonic transducer, and a processor electrically connected to the receiving transducers so as to produce a humanly perceivable indication of the reflected energy. The receiving transducers serve to receive energy of the shear wave as reflected from discontinuities in the object. Each of the receiving transducers is electronically isolated from the other receiving transducers. The receiving transducers are connected to a single channel of the processor. A fixture is provided having a first opening for detachably receiving the transmitting ultrasonic transducer and a plurality of receiving openers receiving the receiving transducers therein.
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patent: 4641531 (1987-02-01), Reeves et al.
patent: 5165280 (1992-11-01), Sternberg et al.
patent: 5189915 (1993-03-01), Reinhart et al.
Dehoff Thomas M.
Reeves R. Dale
Finley Rose M.
Noland Thomas P.
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