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Proceedings Paper

Progress in single-shot neutron transmission diffraction
Author(s): Hans Georg Priesmeyer; Meinhard Stalder; Sven Vogel; Kay Meggers; Walter Trela
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Paper 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.

Paper Details

Date Published: 27 February 1997
PDF: 4 pages
Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); doi: 10.1117/12.267892
Show Author Affiliations
Hans Georg Priesmeyer, Univ. Kiel (Germany)
Meinhard Stalder, Univ. Kiel (Germany)
Sven Vogel, Univ. Kiel (Germany)
Kay Meggers, Siemens AG (Germany)
Walter Trela, Los Alamos National Lab. (United States)

Published in SPIE Proceedings Vol. 2867:
International Conference Neutrons in Research and Industry
George Vourvopoulos, Editor(s)

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