Structure, Phase Composition and Hydrogen Adsorption Properties of Eutectic Alloys of the Ti–Zr–Mn–V System
V. A. Dekhtyarenko, T. V. Pryadko, D. G. Savvakin, T. A. Kosorukova
G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine
Received: 07.08.2019. Download: PDF
The microstructure and phase composition of the Ti–Zr–Mn–V eutectic alloys in the cast state, as well as the phase composition of the hydrogenation product, are studied using scanning electron microscopy and X-ray phase analysis. As established, a vanadium doping in eutectic alloys 47.5Ti–30Zr–22.5Mn shifts the eutectic binodal towards the b.c.c. solid solution, thereby expanding the region of existence of the Laves phase. As shown, during the interaction of alloys with hydrogen (Sivert’s method) hydrides are formed only on the basis of coexisting phases, and the distribution of vanadium in phases leads to an increase in the sorption capacity of both the b.c.c. solid solution and the Laves phase.
Key words: Laves phase, b.c.c. solid solution, eutectic, hydrogenation, hydrogen.
PACS: 61.66.Dk, 61.72.Yx, 64.75.-g, 68.43.Mn, 82.30.Rs, 82.80 Ms
Citation: V. A. Dekhtyarenko, T. V. Pryadko, D. G. Savvakin, and T. A. Kosorukova, Structure, Phase Composition and Hydrogen Adsorption Properties of Eutectic Alloys of the Ti–Zr–Mn–V System, Metallofiz. Noveishie Tekhnol., 41, No. 11: 1455—1468 (2019) (in Russian)