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Kuibeda, R.P.

Paper Title Page
A-06 ITEP Heavy Ion RFQ Output Line Upgrade for Experiments of Reactor Material Investigation under Irradiation 236
 
  • G.N. Kropachev, A. Aleev, A.D. Fertman, R.P. Kuibeda, T.V. Kulevoy, A.A. Nikitin, S.V. Rogozhkin, A.I. Semennikov
    ITEP, Moscow
  • M. Cavenago
    INFN/LNL, Legnaro
 
 

De­vel­op­ment of new ma­te­ri­als for fu­ture en­er­gy fa­cil­i­ties with high­er op­er­at­ing ef­fi­cien­cy is a chal­leng­ing and cru­cial task. How­ev­er, full-scale test­ing of ra­di­a­tion hard­ness of re­ac­tor ma­te­ri­als is quite so­phis­ti­cat­ed and dif­fi­cult as it re­quires long ses­sion of re­ac­tor ir­ra­di­a­tion; more­over, in­duced ra­dioac­tiv­i­ty con­sid­er­ably com­pli­cates fur­ther in­ves­ti­ga­tion. Ion beam ir­ra­di­a­tion does not have such a draw­back, on the con­trary, it has cer­tain ad­van­tages. One of them is high speed of de­fect for­ma­tion. There­fore, it pro­vides a use­ful tool for mod­el­ing of dif­fer­ent ra­di­a­tion dam­ages. Im­proved un­der­stand­ing of ma­te­ri­al be­hav­ior under high dose ir­ra­di­a­tion will prob­a­bly allow to sim­u­late re­ac­tor ir­ra­di­a­tion close to real con­di­tions and to make an ad­e­quate es­ti­ma­tion of ma­te­ri­al ra­di­a­tion hard­ness. Since 2008 in ITEP the ion beam ir­ra­di­a­tion ex­per­i­ments are under de­vel­op­ment at the ITEP heavy ion RFQ HIP-1. The main ob­jec­tives of this work are to study pri­ma­ry dam­age, cas­cade for­ma­tion phe­nom­e­na, phase sta­bil­i­ty and self-or­ga­ni­za­tion under ir­ra­di­a­tion. This re­search is car­ried out by means of to­mo­graph­ic atom probe and trans­mis­sion elec­tron mi­croscopy. This linac pro­vides ac­cel­er­at­ed beams of Cu2+, Fe2+, Cr2+ ions with cur­rent up to 10 mA and en­er­gy 101 keV/n. The first ex­per­i­ments with ion beam at the linac in­jec­tor demon­strat­ed promis­ing re­sults. The linac out­put beam line is now under up­grade. The re­sults of beam ex­trac­tion line ad­just­ment for ex­per­i­ments with re­ac­tor ma­te­ri­als are pre­sent­ed. The con­struc­tion of con­trol­lable heat­ed tar­get is pre­sent­ed as well.