The behavior of hydrides of the bcc and C15 phases of alloy TaV2 at 80-423
K was characterized by thermal analysis (DTA), differential scanning calori
metry (DSC), and X-ray powder diffraction. The characteristics are analyzed
with reference to NMR spectroscopy and neutron diffraction evidence. The i
nfluence of various factors on the hydrogen capacity of the alloys is discu
ssed. For some bcc-TaV2 hydrides, a metastable two-phase state in the regio
n of a continuous hydrogen solution was observed.