Observation of subgrain boundaries and dislocations by neutron diffraction topography
作者:
M. Schlenker,
J. Baruchel,
J. F. Pe´troff,
W. B. Yelon,
期刊:
Applied Physics Letters
(AIP Available online 1974)
卷期:
Volume 25,
issue 7
页码: 382-384
ISSN:0003-6951
年代: 1974
DOI:10.1063/1.1655517
出版商: AIP
数据来源: AIP
摘要:
We have improved the resolution of neutron diffraction topography by working with a low‐divergence primary beam from a neutron guide tube and using an almost perfect monochromator. As a result, we have obtained neutron topographs revealing, although with a resolution still very inferior to that of x‐ray topography, subgrain boundaries and inclusions in a Fe‐2.5 wt% Si single crystal, as well as some individual dislocations in a germanium single crystal. Their contrast is compared with that of x‐ray topographs of the same specimens and discussed.
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