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Effect of irradiation damage and helium on the swelling and structure of vanadium-base alloys [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
15 pages : digital, PDF file
Additional Creators
Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Swelling behavior and microstructural evolution of V-Ti, V-Cr-Ti, and V-Ti-Si alloys were investigated after irradiation at 420--600C up to 114 dpa. The alloys exhibited swelling maxima between 30 and 80 dpa and swelling decreased on irradiation to higher dpa. This is in contrast to the monotonically increasing swelling of binary alloys that contain Fe, Ni, Cr, Mo, W, and Si. Precipitation of dense Ti₅Si₃ promotes good resistance to swelling of the Ti-containing alloys and it was concluded that Ti of >3 wt.% and 400--1000 wppm Si are necessary to effectively suppress swelling. Swelling was minimal in V-4Cr-4Ti, identified as the most promising alloy based on good mechanical properties and superior resistance to irradiation embrittlement. V-20Ti doped with B exhibited somewhat higher swelling because of He generation. Lithium atoms, generated from transmutation of ¹°B, formed γ-LiV₂O₅ precipitates and did not seem to produce undesirable effects on mechanical properties.
Report Numbers
E 1.99:anl/et/cp--81786
E 1.99: conf-930928--26
conf-930928--26
anl/et/cp--81786
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Note
Published through SciTech Connect.
12/01/1993.
"anl/et/cp--81786"
" conf-930928--26"
"DE94006540"
6. international conference on fusion reactor materials,Stresa (Italy),27 Sep - 1 Oct 1993.
Smith, D.L.; Loomis, B.A.; Chung, H.M.
Funding Information
W-31109-ENG-38
View MARC record | catkey: 14745590