Progress in single-shot neutron transmission diffraction

Hans Georg Priesmeyer; Meinhard Stalder; Sven Vogel; Kay Meggers; Walter Trela

doi:10.1117/12.267892

27 February 1997 Progress in single-shot neutron transmission diffraction

Hans Georg Priesmeyer, Meinhard Stalder, Sven Vogel, Kay Meggers, Walter Trela

Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267892
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

The neutron intensity transmitted through polycrystalline material exhibits sudden well defined increases whenever the neutron wavelength ceases to fulfil the Bragg coherent scattering condition for a specific subset of lattice planes. Since in the transmitted beam all diffracted neutrons are absent, the so-called Bragg edges build up very rapidly, because diffraction of neutrons into the full solid angle contributes to their presence. High peak-intensity neutron bursts may be detected using the current-mode technique, opening up the possibility to do both transient and stroboscopic measurements. This new method is relevant to different research areas, like transient phase transformation, melting and solidification, dynamic stress influence or materials under extreme environmental conditions. Progress has been made in rapid data acquisition and analysis as well as temperature measurement by resonance doping.

Citation Download Citation

Hans Georg Priesmeyer, Meinhard Stalder, Sven Vogel, Kay Meggers, and Walter Trela "Progress in single-shot neutron transmission diffraction", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267892

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