2012
DOI: 10.1007/978-1-4471-4195-2_2
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Properties of Bulk Zirconium Hydrides

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Cited by 3 publications
(2 citation statements)
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References 24 publications
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“…Since Zr-hydride phases have a relatively large volume compared with the metallic Zr phase, the formation of hydrides introduces internal stresses in the material [9,10]. The local stress redistribution and plastic deformation induced by the growth of hydrides may contribute to the degradation of the material [11] and delayed hydride cracking [12][13][14][15]. Thus, the precipitation and growth of hydrides is a potential issue during extended fuel burn-up, and when reactors are taken off-line and cooled to ambient temperature.…”
mentioning
confidence: 99%
“…Since Zr-hydride phases have a relatively large volume compared with the metallic Zr phase, the formation of hydrides introduces internal stresses in the material [9,10]. The local stress redistribution and plastic deformation induced by the growth of hydrides may contribute to the degradation of the material [11] and delayed hydride cracking [12][13][14][15]. Thus, the precipitation and growth of hydrides is a potential issue during extended fuel burn-up, and when reactors are taken off-line and cooled to ambient temperature.…”
mentioning
confidence: 99%
“…В нормальных условиях сплав состоит из зерен альфа-фазы Zr c ~0.5 % Nb, имеющей гексагональную плотноупакованную (ГПУ) решетку, и дисперсных частиц Nb с объемно центрированной кубической решеткой [3−5, 7, 9−12]. При поглощении сплавом водорода могут образовываться наночастицы гидридов циркония, преимущественно в границах зерен или близи них [2,13]. Поэтому модельные 3D-объемы сплава были представлены зернами альфа-фазы циркония, размеры которых имеют распределение, а также объемами агломератов субмикронных зерен и слоями интерфейсных и зеренных границ.…”
Section: постановка задачиunclassified