Measuring and testing – Vibration – By mechanical waves
Patent
1984-06-25
1986-07-01
Birmiel, Howard A.
Measuring and testing
Vibration
By mechanical waves
73640, 376252, G01N 2904, G21C 1700
Patent
active
045972940
ABSTRACT:
An apparatus is disclosed for inspection of tubing, and more particularly, the determination of the extent of erosion in the wall of a heat exchange tube of a nuclear reactor. An ultrasonic transducer assembly is movable axially and rotatably in a helical path for producing both thickness and position signals to provide a map of wall thickness.
REFERENCES:
patent: 3553640 (1971-01-01), Zemanek, Jr.
patent: 3810384 (1974-05-01), Evans
patent: 4037465 (1977-07-01), Cook
patent: 4096757 (1978-06-01), Ishii et al.
patent: 4212207 (1980-07-01), Conradi
patent: 4361044 (1982-11-01), Kupperman et al.
patent: 4388831 (1983-06-01), Sherman
Westinghouse Disclosure NSD-80-23.
Westinghouse Disclosure NSD-82-05.
Bevilacqua Bruce W.
Brill, III Bernard A.
Cooper Jr. Frank W.
Junker Warren R.
Rana Iftikhar A.
Birmiel Howard A.
DePaul L. A.
Westinghouse Electric Corp.
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