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Prolongation of the BOR-60 reactor operation
ALEXEY L. IZHUTOV,YURI M. KRASHENINNIKOV,IGOR Y. ZHEMKOV,ARTEM V. VARIVTSEV,YURI V. NABOISHCHIKOV,VICTOR S. NEUSTROEV,VALENTIN K. SHAMARDIN 한국원자력학회 2015 Nuclear Engineering and Technology Vol.47 No.3
The fast neutron reactor BOR-60 is one of the key experimental facilities worldwide to perform large-scale tests of fuel, absorbing, and structural materials for advanced reactors. The BOR-60 reactor was put into operation in December 1969, and by the end of 2014 it had been operating on power for ∼265,000 hours. BOR-60 still demonstrates potential capabilities to extend the lifetime of sodium-cooled fast reactors. The BOR-60 lifetime should have expired at the end of 2014. Over the past few years, a great scope of work has been performed to justify the possibility of extending its lifetime. The work included inspection of the equipment conditions, calculations and experimental research on operating parameters and the conditions of nonremovable components, investigation of the structural material samples after their long-term operation under irradiation, etc. Based on the results of the work performed, the residual lifetime was evaluated and the reactor operator made a decision to extend the lifetime period of the BOR-60 reactor. After considering both a set of documents about the reactor conditions and the positive decision of independent experts, the Regulatory Authority of the Russian Federation extended the BOR-60 operating license up to 2020.
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