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- Title
Nitriding and Carburization of a Mixed Nitride Uranium-Plutonium Fuel Pin Cladding.
- Authors
Porollo, S. I.; Marinenko, E. E.; Kryukov, F. N.; Nikitin, O. N.; Gilmutdinov, I. F.; Zabudko, L. M.; Grachev, A. F.; Tarasov, B. A.
- Abstract
Post-reactor studies of experimental fuel pins with mixed nitride uranium-plutonium fuel and EP823-Sh, ChS68-ID kh.d., and EK164-ID kh.d. steel cladding, which have been irradiated in BOR-60 and BN-600 reactors, indicated the nitriding and carburization of the cladding inner layer, which leads to an increase in its microhardness and a reduction in ductility characteristics. In fuel pin claddings, made of ChS68-ID kh.d. and EK164-ID kh.d. austenitic steel, the processes of carburization and nitriding correlate with sample destruction during mechanical tests. The present article generalizes and analyzes the results of post-reactor studies concerning the carburization and nitriding of the fuel pin claddings made of ChS68-ID kh.d., EK164-ID kh.d., and EP823-Sh steel. The carburization and nitriding of the cladding inner surface was studied by electron microprobe analysis using the cross-sections of fuel pins.
- Subjects
NITRIDING; CARBURIZATION; ELECTRON probe microanalysis; AUSTENITIC steel; NITRIDES
- Publication
Atomic Energy, 2022, Vol 133, Issue 2, p92
- ISSN
1063-4258
- Publication type
Article
- DOI
10.1007/s10512-023-00978-5