Atomic models of niobium silicides structures in the Nb-Si in-situ compositesстатья
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Дата последнего поиска статьи во внешних источниках: 7 сентября 2017 г.
Аннотация:The results of the investigation of the phase and quantitative composition of reinforcing phases of the Nb–Nb5Si3in situ eutectic composite during high-gradient directional crystallization are reported. The crystal structures of the hexagonal γ and tetragonal α modifications of Nb5Si3 silicide are comparatively characterized. Possible structural positions for the stabilizing atoms in the structure of hexagonal silicide are proposed. The dependence of the creep deformation resistance on the silicide structure is discussed.