Hydrogenation behavior of Cr-coated laser beam welds of E110 zirconium alloy; Journal of Nuclear Materials; Vol. 570

Hydrogenation behavior of Cr-coated laser beam welds of E110 zirconium alloy; Journal of Nuclear Materials; Vol. 570

Bibliographic Details
Parent link:	Journal of Nuclear Materials Vol. 570.— 2022.— [153980, 10 p.]
Corporate Authors:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики, Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Научно-образовательный центр Б. П. Вейнберга
Other Authors:	Kashkarov E. B. Egor Borisovich, Kudiyarov V. N. Victor Nikolaevich, Kurdyumov N. Nikita, Krinitsyn M. G. Maksim Germanovich, Sidelev D. V. Dmitry Vladimirovich
Summary:	Title screen The influence of chromium coating on hydrogenation behavior of laser beam welds (LBW) of E110 zirconium alloy was studied at 360-900 °C and hydrogen pressure of 2 bar. The deposition of Cr coating can slow down hydrogen absorption rate of the LBW samples as activation energy for hydrogen absorption (70 kJ/mol) is higher compared to uncoated ones (61 kJ/mol). The growth of hydrides depends on the hydrogenation conditions and original microstructure of welded alloy in different zones. Nanoindentation and three-point bending tests show that hydride precipitations can cause hardening of LBW E110 alloy samples and loss of its plasticity. Some additional aspects of applying Cr coatings for protection of LBW Zr alloy in hydrogen atmosphere are presented. Режим доступа: по договору с организацией-держателем ресурса
Language:	English
Published:	2022
Subjects:	электронный ресурс труды учёных ТПУ magnetron sputtering laser beam welding hydrogenation zirconium alloys protective coatings accident tolerant fuel магнетронное напыление лазерная сварка гидрогенизация циркониевые сплавы защитные покрытия
Online Access:	https://doi.org/10.1016/j.jnucmat.2022.153980
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668382

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