MICROSTRUCTURE EVOLUTION AND DEUTERIUM RETENTION IN SS316 STEEL IRRADIATED WITH HEAVY IONS, HELIUM AND HYDROGEN

  • S. A. Karpov National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine
  • I. E. Kopanets National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine
  • B. S. Sungurov National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine
  • G. D. Tolstolutskaya National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine
  • A. S. Kalchenko National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine

Анотація

Using the methods of ion implantation, electron microscopy and nuclear reactions the data on defect microstructure evolution, accumulation levels and temperature ranges of retention of hydrogen isotope - deuterium in austenitic steel SS316 have been obtained. Implantation of 15 keV deuterium ions to a dose of 1×1016 cm-2, 30 keV helium ions to a dose of 5×1016 cm-2, as well as steel irradiation with 1.4 MeV argon ions to a dose of 1×1017 cm-2 were carried out at room and elevated temperatures. The formation of dislocation structure, vacancy and gas-filled pores, and the nature of their size distribution were studied. The dependence of amount of trapped deuterium atoms on the defect structure evolution during annealing has been established. A considerable content of hydrogen in the traps associated with helium and argon bubbles was found, that confirms the data obtained for stainless steels irradiated in a light water reactors.

Завантаження

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Біографія автора

S. A. Karpov, National Science Center “Kharkov Institute of physics and technology” 1, Academicheskaya Str., 61108, Kharkov, Ukraine

Посилання

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Опубліковано
2016-03-02
Цитовано
Як цитувати
Karpov, S. A., Kopanets, I. E., Sungurov, B. S., Tolstolutskaya, G. D., & Kalchenko, A. S. (2016). MICROSTRUCTURE EVOLUTION AND DEUTERIUM RETENTION IN SS316 STEEL IRRADIATED WITH HEAVY IONS, HELIUM AND HYDROGEN. Східно-європейський фізичний журнал, 2(4), 72-79. https://doi.org/10.26565/2312-4334-2015-4-06