Production of multi-principal-component alloys by pendent-drop melt extraction

Авторы: Korol A., Zadorozhnyy V., Zadorozhnyy M., Bazlov A., Berdonosova E., Serov M., Stepashkin A., Zheleznyi M., Novikov A., Kaloshkin S., Klyamkin S., Savvotin I.
Журнал: International Journal of Hydrogen Energy
Год издания: 2023
Издательство: Pergamon Press Ltd.
Местоположение издательства: United Kingdom
DOI: 10.1016/j.ijhydene.2023.04.302
Аннотация: In order to examine the influence of the production technique on the performance of hydride-forming multi-principal-component alloys, a series of alloys in the Ti–Zr–V–Nb–Ta-Hf system has been obtained by arc-melting and electron beam melting combined with pendant-drop melt extraction (EBM-PDME). Structure analysis shows that EBM-PDME method ensures the synthesis of single-phase alloys with BCC structure for all studied compositions. During hydrogenation, the complete and reversible BCC to FCC phase transformation with maximum hydrogen capacity up to 2.0 wt% occurs. Mechanical and thermophysical investigations demonstrate high values of tensile strength, plasticity and thermal conductivity, which allow the alloys to be used as materials for membrane hydrogen separation. © 2023 Hydrogen Energy Publications LLC
Добавил в систему: Железный Марк Владимирович

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