Atomic models of the structure of niobium silicides in Nb–Si in situ composites


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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.

Авторлар туралы

E. Kablov

All-Russian Scientific Research Institute of Aviation Materials

Хат алмасуға жауапты Автор.
Email: viam@admin.ru
Ресей, Moscow

N. Kuzmina

All-Russian Scientific Research Institute of Aviation Materials

Email: viam@admin.ru
Ресей, Moscow

N. Eremin

Lomonosov Moscow State University

Email: viam@admin.ru
Ресей, Moscow

I. Svetlov

All-Russian Scientific Research Institute of Aviation Materials

Email: viam@admin.ru
Ресей, Moscow

A. Neyman

All-Russian Scientific Research Institute of Aviation Materials

Email: viam@admin.ru
Ресей, Moscow

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