caa a22 4500 60615034X CHVBK 20210128100538.0 cr unu---uuuuu 210128e20150501xx s 000 0 eng 10.1007/s10512-015-9951-3 doi (NATIONALLICENCE)springer-10.1007/s10512-015-9951-3 Effect of the Degree of Perfection of Reactor Graphite on Performance [Elektronische Daten] [D. Kuleshov, I. Novobratskaya, P. Platonov, O. Chugunov] Experimental data on the density changes occurring in graphite blocks of RBMK masonry in the course of operation of the reactor are presented. They show significant variance due to the nonuniformity of the radiation-induced change in the properties which is associated with the difference in the degree of perfection of the initial graphite. Experimental data on the dependence of the radiation-induced deformation at the shrinkage stage versus the size of the graphite crystallites are presented. An attempt is made to explain the mechanisms giving rise to this dependence. Experimental data showing that for temperature changes within certain limits from T1 to T2 the graphite transforms under irradiation into a state that would be observed under irradiation at T2 at the outset. A relation for determining the difference between the maximum depth of shrinkage of the graphite samples irradiated at temperatures T1 and T2 is proposed on the basis of an analysis of the experimental data. Springer Science+Business Media New York, 2015 Kuleshov D. National Research Center Kurchatov Institute, Moscow, Russia aut Novobratskaya I. National Research Center Kurchatov Institute, Moscow, Russia aut Platonov P. National Research Center Kurchatov Institute, Moscow, Russia aut Chugunov O. National Research Center Kurchatov Institute, Moscow, Russia aut Atomic Energy Springer US; http://www.springer-ny.com 118/1(2015-05-01), 25-31 1063-4258 118:1<25 2015 118 10512 https://doi.org/10.1007/s10512-015-9951-3 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10512-015-9951-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kuleshov D. National Research Center Kurchatov Institute, Moscow, Russia aut NATIONALLICENCE 700 1- Novobratskaya I. National Research Center Kurchatov Institute, Moscow, Russia aut NATIONALLICENCE 700 1- Platonov P. National Research Center Kurchatov Institute, Moscow, Russia aut NATIONALLICENCE 700 1- Chugunov O. National Research Center Kurchatov Institute, Moscow, Russia aut NATIONALLICENCE 773 0- Atomic Energy Springer US; http://www.springer-ny.com 118/1(2015-05-01), 25-31 1063-4258 118:1<25 2015 118 10512