Investigation of Factors Determining the Efficiency of the Interaction of Aluminum Alloys Activated with the Ga–In Eutectic with Water in Hydrogen Cartridges

Using high-resolution X-ray diffraction and synchrotron radiation, as well as scanning electron microscopy, it is shown that the observed high reactivity of commercial aluminum alloys activated with the Ga–In eutectic is associated with the formation of the Al–Ga–In eutectic along the grain boundari...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2023-12, Vol.17 (6), p.1186-1191
Main Authors: Nizovskii, A. I., Shmakov, A. N., Kulikov, A. V., Suprun, E. A., Bukhtiyarov, V. I.
Format: Article
Language:English
Subjects:
Aluminum base alloys
Chemistry and Materials Science
Eutectic composition
Gallium
Grain boundaries
Materials Science
Oxidation
Solid solutions
Surfaces and Interfaces
Synchrotron radiation
Synchrotrons
Thin Films
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Summary:Using high-resolution X-ray diffraction and synchrotron radiation, as well as scanning electron microscopy, it is shown that the observed high reactivity of commercial aluminum alloys activated with the Ga–In eutectic is associated with the formation of the Al–Ga–In eutectic along the grain boundaries in the entire material volume. The loss of material activity during storage under atmospheric conditions is due to oxidation of the eutectic components. Activation with pure gallium leads to the formation of AlGa x solid solution, which has low activity in the reaction with water under neutral pH.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451023060162