Hydrogen isotopic effect during the graphite high-temperature corrosion in water vapours; International Journal of Hydrogen Energy; Vol. 44, iss. 55

Hydrogen isotopic effect during the graphite high-temperature corrosion in water vapours; International Journal of Hydrogen Energy; Vol. 44, iss. 55

Opis bibliograficzny
Parent link:	International Journal of Hydrogen Energy Vol. 44, iss. 55.— 2019.— [P. 29365-29370]
Korporacja:	Национальный исследовательский Томский политехнический университет Физико-технический институт Лаборатория № 31 ядерного реактора
Kolejni autorzy:	Chikhray E. V. Evgeny Vasiljevich, Askerbekov S. K. Saulet, Kenzhina I. E. Inesh, Gordienko Yu. N. Yury Nikolaevich, Bochkov V. S. Vadim Sergeevich, Nesterov E. A. Evgeny Alexandrovich, Varlamova N. V. Natalya Valeryevna
Streszczenie:	Title screen This paper presents the results on a study the processes of physicochemical interactions of water with graphite. The main regularities of the formation of H2, HD and D2 molecules on the graphite surface were determined. It was shown that the fraction of D2 and HD in the gaseous outcome increases in the process of heating, and the quasi-equilibrium state of the graphite's absorption of hydrogen isotopes at the initial stages of interaction is significant: the flow of dissolved atoms into the sample volume is higher than the desorption flow. We suppose that this is due to the higher rate of dissolution of hydrogen atoms in the volume of graphite. We also estimated also the separation factor for the graphite surface-volume system for hydrogen atoms, which was 1.53 for the selected experimental conditions. The temperature dependence of the effective rate constant Ks for the formation of hydrogen isotope molecules in the interaction of graphite with water vapour in the range of 1100 °C–1200 °C was determined. It turned out that KS(D2) > KS(HD) > KS(H2). Режим доступа: по договору с организацией-держателем ресурса
Język:	angielski
Wydane:	2019
Hasła przedmiotowe:	электронный ресурс труды учёных ТПУ hydrogen graphite TGA DSC corrosion водород графит коррозия
Dostęp online:	https://doi.org/10.1016/j.ijhydene.2019.03.013
Format:	Elektroniczne Rozdział
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661338

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