Kinetics of the Structure Evolution of Diffusion Membrane Filters of the Pd–Y System after Hydrogenationстатья
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Дата последнего поиска статьи во внешних источниках: 9 декабря 2020 г.
Аннотация:The processes of relaxation of the structure, phase composition, and surface topology of the diffusion membrane filters of Pd-based alloy after hydrogenation are comprehensively studied. The difference in the development of defects as a result of their interaction with absorbed hydrogen is shown. The relaxationprocesses are investigated for the following two cases: the formation of a hydrogen-rich β phase in a membrane during hydrogenation and the presence of an immiscibility region between the dilute solid solution of hydrogen (α phase) and the hydride β phase in the metal alloy. A comparative analysis of changes in the effective size of coherent-scattering regions and microscopic deformations in them at the initial stage of hydrogen retention in the structure of the palladium-based alloy is given. The study of the relaxation features of diffusion filters after hydrogenation reveals significant phase transformations and changes in the substructure parameters of Pd–Y–H systems.