Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Leak detection
Patent
1983-03-01
1985-11-19
Cangialosi, Sal
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Leak detection
376251, 378 45, G21C 1700
Patent
active
045541280
ABSTRACT:
Apparatus and method for testing TIG (tungsten inert gas) welds of end plugs on a sealed nuclear reactor fuel rod. An X-ray fluorescent spectrograph testing unit detects tungsten inclusion weld defects in the top end plug's seal weld. Separate ultrasonic weld inspection system testing units test the top end plug's seal and girth welds and test the bottom end plug's girth weld for penetration, porosity and wall thinning defects. The nuclear fuel rod is automatically moved into and out from each testing unit and is automatically transported between the testing units by rod handling devices. A controller supervises the operation of the testing units and the rod handling devices.
REFERENCES:
"Ultrasonic Testing of Materials", Krautkramer et al, N.Y., Springer Verlag Berlin Heidelberg (1977), 2nd Ed. pp. 429, 431-432, 440, 444, 448, 451-468, 492.
"Ultrasonic Flow Detection in Metals", N. J. Banks et al, Prentice Hall, Inc., 1962, pp. 112-113, 119, 142, 156-157, 194-195, 199, 233.
Proc. 9th Conf. Appl. X-Ray Analysis, "Advance in X-Ray Analysis", vol. 4, Stever et al (8/50), pp. 474-475.
Welding Handbook, 7th Ed., vol. 2, Kearns, (1978), pp. 78, 81 110-111.
Parker Merle A.
Patrick Stanley S.
Rice George F.
Cangialosi Sal
Erickson D. E.
Westinghouse Electric Corp.
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