Neutron diffraction tomography: a unique 3D inspection technique for crystals using an intensifier TV system
The application of phosphor-intensifier-television (TV) techniques to neutron topography and tomography of crystals is described. In neutron diffraction tomography (or section topography), a collimated beam irradiates a slice (0.5 to 10 mm) of the crystal. The diffracted image is a tomogram from this part only. A series of tomograms covering the crystal can be taken as the specimen is translated in steps across the narrow beam. Grains, voids, twinning, and other defects from regions down to 1 mm in size can be observed and isolated. Although at present poorer in resolution than the original neutron and film methods, the TV techniques are much faster and, in some cases, permit real-time viewing. 15 refs.
- Research Organization:
- Oak Ridge Natl Lab, TN
- OSTI ID:
- 5132251
- Report Number(s):
- CONF-780555-
- Journal Information:
- Am. Soc. Test. Mater., Spec. Tech. Publ.; (United States), Vol. 716; Conference: Symposium on real-time radiologic imaging: Medical and industrial applications, Gaithersburg, MD, USA, 8 May 1978
- Country of Publication:
- United States
- Language:
- English
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