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Effects of Radiation on Materials: 15th International Symposium
ASTM Selected Technical Papers
Effects of Radiation on Materials: 15th International Symposium
By
RE Stoller
RE Stoller
1
Oak Ridge National Laboratory
,
Oak Ridge, Tennessee
;
chairman and editor
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AS Kumar
AS Kumar
2
University of Missouri-Rolla
,
Rolla, Missouri
;
cochairman and editor
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DS Gelles
DS Gelles
3
Battelle Pacific Northwest Laboratory
,
Richland, Washington
;
cochairman and editor
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ISBN-10:
0-8031-1477-X
ISBN:
978-0-8031-1477-7
No. of Pages:
1339
DOI:
https://doi.org/10.1520/STP1125-EB
Publisher:
ASTM International
Publication date:
1992
eBook Chapter

Large Swelling Observed in a V-5at%Fe Alloy After Irradiation in FFTF

By
H Matsui
H Matsui
1
Professor
,
Institute for Materials Research, Tohoku University
,
2-1-1 Katahira, Aoba-ku, Sendai, 980,
Japan
.
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,
DS Gelles
DS Gelles
2
Research scientist
Battelle Pacific Northwest Laboratories, Fusion Materials
,
Richland, WA 99352
.
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,
Y Kohno
Y Kohno
3
Research associate
,
The University of Tokyo
, Department of Materials Science,
7-3-1 Kongo, Tokyo 113,
Japan
.
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Doi:
https://doi.org/10.1520/STP17921S
Page Count:
14
  • Published:
    1992

A vanadium-iron binary alloy has shown exceptionally large swelling after irradiation in the Fast Flux Test Facility/Materials Open Test Assembly (FFTF/MOTA)4 to about 30 dpa. The volumetric swelling for irradiation temperatures of 520 and 600°C is more than 80%. The effect of preimplanted helium was to enhance the swelling in all conditions. The mechanism of the large swelling has been discussed in terms of the cavity and dislocation bias factors. It has been suggested that the bias factors modified by undersized iron solute in more than one way promote the large swelling.

Keywords:
vanadium alloys, void swelling, helium effects, neutron irradiation, tritium trick

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