Abstract
The interaction of the V0.95Cu0.05, V0.94Co0.06, and V0.9W0.1 alloys with hydrogen has been studied at hydrogen pressures of up to 250 MPa. We have constructed hydrogen absorption/desorption isotherms at different temperatures and determined the thermodynamic parameters of the systems. According to X-ray diffraction data, the high-pressure hydride phases V0.94Co0.06H1.4 and V0.9W0.1H1.2 consist of a face-centered cubic phase similar in structure to the γ-phase of vanadium dihydride. In the case of the vanadium-copper alloy, the maximum composition of the hydride is V0.95Cu0.05H0.5.
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Original Russian Text © V.N. Verbetsky, S.A. Lushnikov, E.A. Movlaev, 2015, published in Neorganicheskie Materialy, 2015, Vol. 51, No. 8, pp. 850–853.
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Verbetsky, V.N., Lushnikov, S.A. & Movlaev, E.A. Interaction of vanadium alloys with hydrogen at high pressures. Inorg Mater 51, 779–782 (2015). https://doi.org/10.1134/S0020168515080191
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DOI: https://doi.org/10.1134/S0020168515080191