Abstract

Introduction: The industrial radionuclide computer tomographic systems are ones of the most long-range, non-destructive testing facilities. They allow to obtain and systematize considerably more informative data on produced articles and operated equipment and, in a whole number of cases, to obtain data on articles which are inaccessible for other methods and testing facilities, including those, most widely used in roentgenography and radiography, as well as X-ray computer tomography.

The radionuclide computer tomograph are designed to successfully solve a whole number of tasks in nuclear power when testing fuel elements, in aviation and space industry when testing construction materials, nozzles and engine units, turbine blades and parts; in electromechanical industrycables switching elements, electric motors: in defense sphere- charges, equipment in prospecting for research of rock distribution and detection of precious stones in samples.

Comparing to X-ray CT, the use of radionuclide sources, having highenergy radiation, allows to obtain the information on the distribution of heavy metals in articles made of composite materials. Besides, the absence of characteristic to X-ray CT result distortions, which are caused by variation of an average value of polychromatic radiation energy, when it passes through an article, promotes the increase of accuracy characteristics of radionuclide CT.

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Source: Conference Proceedings of the 4th International Conference of the Slovenian Society for Nondestructive Testing, 24 - 25 April 1997, Ljubljana, Slovenia.
Pages:351 - 357

Publisher:
Slovenian Society for Nondestructive Testing, Faculty of Mechanical Engineering, Askerceva 6, SLO 1000 Ljubljana, Slovenia. Tel +386 61 177 12 03, Fax +386 61 218 567, Email: janez.grum@fs.uni-lj.si.