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Process and apparatus for the dimensional and non-destructive control of a hollow member

Patent ·
OSTI ID:5755427
;
The invention relates to a non-destructive, dimensional control process and apparatus with respect to a hollow member. The apparatus comprises means making it possible to hold and position the member, a source which can be introduced into the member so as to emit gamma radiation in the direction of the inner surface of the wall of said member. A detector can be positioned outside the member, so as to detect the gamma radiation traversing the wall of said member. In addition, means are provided making it possible to effect a relative displacement between the assembly, constituted by the source and the detector, and the member in such a way that the wall profile of the latter is followed.
Assignee:
Commissariat a l'Energie Atomique (France)
Patent Number(s):
US 4495633
OSTI ID:
5755427
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
420500* -- Engineering-- Materials Testing
440105 -- Radiation Instrumentation-- Radiometric Instruments-- (-1987)
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CONTROL
GAMMA SOURCES
MANUFACTURING
MATERIALS TESTING
MEASURING INSTRUMENTS
NONDESTRUCTIVE TESTING
PROCESS CONTROL
RADIATION ATTENUATION TESTING
RADIATION DETECTORS
RADIATION SOURCES
TESTING