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THE USE OF SMALL-ANGLE X-RAY AND NEUTRON SCAiERING FOR CHARACTERIZING
VOIDS IN NEUTRON-IRRADIATED METALS AND ALLOYS*Robert W. Hendricks
Technology for Energy Corporation
Knoxville, Tennessee 37922COnF-800205--18
DE83 007510Small-angle x-ray and neutron scattering are powerful analytical tools
for investigating long-range fluctuations in electron (x-rays) or magnetic
moment (neutrons) densities in materials. In recent years they have yielded
valuable information about voids, void size distributions, and swelling in
aluminum, aluminum alloys, copper, molybdenum, nickel, nickel-aluminum, nio-
bium and niobium alloys, stainless steels, graphite and silicon carbide. Ii,
the case of aluminum information concerning the shape of the voids and the
ratio of specific surface energies was obtained. The technique of small-
angle scattering and its application to the study of voids is reviewed in
the paper. Emphasis is placed on the conditions which limit the applicabil-
ity of the technique, on the interpretation of the data, and on a comparison
of the results obtained with companion techniques such as transmission
electron microscopy and bulk density.
DISCLAIMER
This report was prepared as an account of work sponsored by an agency of the United States
Government. Neither the United States Government nor any agency thereof, nor any of their
employees, makes any warranty, express or implied, or assumes any legal liability or responsi-
bility for the accuracy, completeness, or usefulness of any information, apparatus, product, or
process disclosed, or represents that its use would not infringe privately owned rights. Refer-
ence herein to any specific commercial product, process, or service by trade name, trademark,
manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recom-
mendation, or favoring by the United States Government or any agency thereof. The views
and opinions of authors expressed herein do not necessarily state or reflect those of the
United States Government or any agency thereof.D11STMBITION OF THIS D
CENT IS INLIMT
*This research was performed while the author was a Senior Staff Member of
the Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge,
Tennessee 37830, and was sponsored by the Division of Materials Sciences,
U.S. Department of Energy, under contract W-7405-eng-26 with the Union
Carbide Corporation.MASTER
By acceptance of this article, the
publisher or recipient acknowledges
the U.S. Government's right to
retain a nonexclusive, royalty-free
license in and to any copyright
covering the article.(23)
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Hendricks, R.W. Voids in neutron-irradiated metals and alloys, article, January 1, 1980; United States. (https://digital.library.unt.edu/ark:/67531/metadc1204476/m1/1/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.