Effect of yttrium additions on void swelling in Liquid Metal Fast Breeder Reactor candidate cladding alloys | Zendy

Russell Hopson | Zendy

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Effect of yttrium additions on void swelling in Liquid Metal Fast Breeder Reactor candidate cladding alloys

Author(s) -

Russell Hopson

Publication year - 1981

Language(s) - English

Resource type - Reports

DOI - 10.2172/5514377

Subject(s) - yttrium , swelling , materials science , void (composites) , irradiation , analytical chemistry (journal) , ion , metal , doping , cladding (metalworking) , helium , nuclear chemistry , radiochemistry , metallurgy , composite material , chemistry , atomic physics , nuclear physics , physics , chromatography , optoelectronics , organic chemistry , oxide

Candidate Liquid Metal Fast Breeder Reactor cladding alloys AL1 (Fe-26% Ni-9% Cr) and AL2 (Fe-35% Ni-12% Cr) without and with the addition of 0.1% yttrium were bombarded by 4 MeV/sup 56/Fe/sup 2 +/ ions without and with simultaneous bombardment by 0.4 MeV /sup 4/He/sup +/ ions. These bombardments were conducted at various irradiation temperatures to determine the effect of yttrium on void swelling. The addition of yttrium decreased peak swelling for 4 MeV /sup 56/Fe/sup 2 +/ ion bombarded AL1 and AL2 by 28% and 20%, respectively. In all cases where similar sample comparisons were made (i.e., undoped with undoped and doped with doped) and where bombardment conditions were similar (i.e., single with single beam and dual with dual beam), AL1 showed less peak swelling than did AL2. Simultaneously implanting helium during heavy-ion bombardment increased peak swelling in undoped and doped AL1 by factors of 2.3 and 2.6, respectively.

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